Steam Pressure Relief Valves
Description
Steam Pressure Relief Valves are self-operating devices designed to protect systems from over-pressurization. They function by regulating fluid flow to ensure that the pressure within a system does not exceed a predetermined limit. These valves are typically closed and open only when the pressure surpasses the set threshold, allowing excess steam to be released and thus maintaining system safety.
Working Principle
Steam Pressure Relief Valves operate based on a balance of forces. They typically consist of a valve element, a sensing element, and a reference force element, usually a spring. The spring maintains a force that keeps the valve closed under normal conditions. When the pressure in the system exceeds the force exerted by the spring, the valve opens, allowing steam to escape until the pressure drops below the set point. This mechanism is crucial for preventing damage or catastrophic failure in systems with pressure vessels, as it ensures that pressure levels remain within safe limits.
Applications
Steam Pressure Relief Valves are essential in various industrial applications where steam is used. They are commonly found in steam boilers, which are used to provide heat and power machinery such as locomotives and riverboats. These valves are also critical in chemical processing plants, oil refineries, and power generation facilities, where they protect equipment from the dangers of over-pressurization.
Advantages over other Process - Valves
Steam Pressure Relief Valves offer several advantages over other types of process valves. Their ability to automatically respond to pressure changes without the need for external control systems makes them highly reliable in maintaining system safety. Unlike manual valves, they do not require human intervention to operate, reducing the risk of human error. Additionally, their design allows for precise control of pressure levels, which is essential in applications where maintaining specific pressure conditions is critical.
Limitations
One limitation of Steam Pressure Relief Valves is that they are typically designed for specific pressure ranges and may not be suitable for systems with highly variable pressure conditions. Additionally, they require regular maintenance to ensure proper functioning, as the spring mechanism can wear out over time, potentially leading to valve failure.
Considerations
When selecting and maintaining Steam Pressure Relief Valves, several factors should be considered. Initial costs can vary depending on the size and specifications of the valve, while operating expenses are generally low due to their self-operating nature. Durability is a key consideration, as these valves must withstand high-pressure conditions over extended periods. Accuracy in maintaining the set pressure is crucial for system safety, and regular maintenance is necessary to ensure the valve's reliability. Replacement and maintenance costs should also be factored into the overall cost of ownership, as worn-out components may need to be replaced periodically to maintain optimal performance.
from Shanghai Thinktank Process Management Co., Ltd
Description. The 5214 series high-performance steam safety valve is suitable for steam overpressure protection of power boilers, once-through boilers, reheaters, and other equipment and pipelines. Designed and manufactured according to ASME I standards. Size: 1-1/2"x2" to 8"x10". Nominal Pressure:... [See More]
- Media: Steam
- Valve Size: 2.00 to 10.00
from Radwell International
DISCONTINUED BY MANUFACTURER, VALVE, NON-CODE, LIQUID RELIEF, ASME SECTION VIII, AIR/GAS AND STEAM, 1/2 INCH NPT MALE, 1 INCH NPT FEMALE, 58 PSI, 4-3300 PSIG, -20 TO 550 F. FREE 2 YEAR RADWELL WARRANTY [See More]
- Media: Gas; Steam
from Shanghai Thinktank Process Management Co., Ltd
Description. The 5215 series safety valve is used as an overpressure protection device where the medium needs to be insulated in polyester, ethylene, asphalt, and urea fertilizer equipment. The 5215B is a bellows structure designed for thermal insulation jacket safety valve. Size: 1"x2" to 8"x10". [See More]
- Media: Steam
- Valve Size: 1.00 to 10.00
from Radwell International
DISCONTINUED BY MANUFACTURER, PRESSURE/VACUUM RELIEF VALVE, INLET FLG: 04" (100 MM), ALUMINUM BODY, ALUMINUM SEAT, 316 SS PALLET, DIAPHAGM MATERIAL: TEFLON, NO STEAM JACKET, NO SPECIALS. FREE 2 YEAR RADWELL WARRANTY [See More]
- Media: Steam
- Primary Material: Aluminum
from Shanghai Thinktank Process Management Co., Ltd
Description. The 5216 series is a lined bellows safety valve. The main parts in the valve that are in contact with the medium are lined with fluorine material. The special bellows design is suitable for highly corrosive working conditions such as salt water, wet chlorine, hydrochloric acid, sulfuric... [See More]
- Media: Steam
- Valve Size: 1.00 to 10.00
from Radwell International
PRESSURE RELIEF VALVE, MALE X FEMAL THREADED OR NPT, 1/2IN INLET SIZE, METAL TO METAL, PACKED LEVER, STEAM, SST SPRING MATERIAL, 125PSIG SET . FREE 2 YEAR RADWELL WARRANTY [See More]
- Media: Steam
- Connection Description: Threaded
from Shanghai Thinktank Process Management Co., Ltd
Description. The 5212 Series Pilot-operated safety relief valves are mainly used in the fields of oil and gas, chemical industry, electric power, metallurgy, and natural gas. It is the best overpressure protection device for pressurized equipment, containers, or pipelines. The allowed working... [See More]
- Media: Steam
- Valve Size: 1.00 to 24.00
from Radwell International
SENTINEL RELIEF VALVE, 1/2", NON-CODE STEAM, 302 SST, 85 PSIG. FREE 2 YEAR RADWELL WARRANTY [See More]
- Media: Steam
from Shanghai Thinktank Process Management Co., Ltd
Description. The 5210 series Safety relief valve includes a regular spring-type safety valve, while the 5210B type is a back-pressure balanced bellows spring-type safety valve. They are designed, manufactured, and inspected according to API526 and API527 standards. These valves are suitable for air,... [See More]
- Media: Steam
- Valve Size: 1.00 to 10.00
from Radwell International
DISCONTINUED BY MANUFACTURER, RELIEF VALVE, 1/2 INCH, N36, VACUUM, MAX 200 LBS PSI, 250 DEGREE F MAX, 15 LBS STEAM, (DISCONTINUED 6/14/2013). FREE 2 YEAR RADWELL WARRANTY [See More]
- Media: Steam
from Shanghai Thinktank Process Management Co., Ltd
Description. The 5211 series conventional spring-type safety valve, 5211B is a back-pressure balanced bellows spring-type safety valve. This is a large-diameter safety valve which developed on the basis of API526 standard. Applicable to air, gas, water vapor, liquid, and other media. Size: 10"x14"... [See More]
- Media: Steam
- Valve Size: 10.00 to 24.00
from Radwell International
SAFETY VALVE, PRESSURE RELIEF, MODEL 6010, SIDE OUTLET, 0.121 IN2 ORIFICE, 1/2 IN INLET, 3/4 IN OUTLET, EPR SEAL, PLAIN LEVER, STEAM ASME SEC I, SS SPRING, 100 PSIG PRESSURE. FREE 2 YEAR RADWELL WARRANTY [See More]
- Media: Steam
from Radwell International
DISCONTINUED BY MANUFACTURER, STEAM RELIEF VALVE, 50PSIG, SIZE 6, CAPACITY 333. FREE 2 YEAR RADWELL WARRANTY [See More]
- Media: Steam
from Radwell International
STEAM RELIEF VALVE, 3/4-INCH, 625PPH POLCHRM. FREE 2 YEAR RADWELL WARRANTY [See More]
- Media: Steam
from Radwell International
SAFETY VALVE, PRESSURE RELIEF, MODEL 6010, SIDE OUTLET, 0.554 IN2 ORIFICE, 1-1/4 IN INLET, 1-1/2 IN OUTLET, METAL SEAL, PLAIN LEVER, STEAM ASME SEC I, SS SPRING, 100 PSIG PRESSURE. FREE 2 YEAR RADWELL WARRANTY [See More]
- Media: Steam
from Radwell International
SAFETY VALVE, PRESSURE RELIEF, MODEL 6010, SIDE OUTLET, 0.121 IN2 ORIFICE, 1/2 IN INLET, 3/4 IN OUTLET, METAL SEAL, PLAIN LEVER, STEAM ASME SEC I, SS SPRING, 40 PSIG PRESSURE. FREE 2 YEAR RADWELL WARRANTY [See More]
- Media: Steam
from Radwell International
DISCONTINUED BY MANUFACTURER, SAFETY AND RELIEF VALVE, 3/4X3/4 INCH NPT, LIFT LEVER, ASME STEAM, BRASS BRONZE, SET 45. FREE 2 YEAR RADWELL WARRANTY [See More]
- Media: Steam
- Primary Material: Brass / Bronze
from Radwell International
SAFETY RELIEF VALVE, MODEL 6182, TOP OUTLET, 125 PSI, STEAM BOILER SERVICE, 1 INCH MNPT. FREE 2 YEAR RADWELL WARRANTY [See More]
- Media: Steam
from Radwell International
PRESSURE RELIEF VALVE, BRONZE, 25 PSI WSP, 300 PSI WOG, 1 IN NPT, STEAM, ANGLED, . FREE 2 YEAR RADWELL WARRANTY [See More]
- Media: Steam
from Radwell International
SAFETY VALVE, PRESSURE RELIEF, MODEL 6021, SIDE OUTLET, TEFLON DISC INSERT, 1.414 IN2 ORIFICE, 2 IN INLET, 2-1/2 IN OUTLET, TEFLON SEAL, PLAIN LEVER, STEAM ASME SEC I, SS SPRING, 150 PSIG PRESSURE. FREE 2 YEAR RADWELL WARRANTY [See More]
- Media: Steam
from Radwell International
SAFETY VALVE, PRESSURE RELIEF, MODEL 6021, SIDE OUTLET, TEFLON DISC INSERT, 0.336 IN2 ORIFICE, 1 IN INLET, 1-1/4 IN OUTLET, TEFLON SEAL, PLAIN LEVER, STEAM ASME SEC I, SS SPRING, 150 PSIG PRESSURE. FREE 2 YEAR RADWELL WARRANTY [See More]
- Media: Steam
from Radwell International
SAFETY VALVE, PRESSURE RELIEF, MODEL 6021, SIDE OUTLET, TEFLON DISC INSERT, 0.554 IN2 ORIFICE, 1-1/4 IN INLET, 1-1/2 IN OUTLET, TEFLON SEAL, PLAIN LEVER, STEAM ASME SEC I, SS SPRING, 150 PSIG PRESSURE. FREE 2 YEAR RADWELL WARRANTY [See More]
- Media: Steam
from Radwell International
SAFETY VALVE, PRESSURE RELIEF, MODEL 6021, SIDE OUTLET, TEFLON DISC INSERT, 0.121 IN2 ORIFICE, 1/2 IN INLET, 3/4 IN OUTLET, TEFLON SEAL, PLAIN LEVER, STEAM ASME SEC I, SS SPRING, 100 PSIG PRESSURE. FREE 2 YEAR RADWELL WARRANTY [See More]
- Media: Steam
from Watson McDaniel Company
The WSVB Safety Relief Valves are used for over-pressure protec- tion on unfired pressure vessels in saturated steam systems. As safety valves open on a non-compressible fluid applica- tion, the disc lifts directly proportional to the increase in system pressure over the valve set point. Safety... [See More]
- Media: Air; Water; Gas; Steam
- Maximum Pressure: 250.00
- Valve Size: 0.50 to 0.75
- Connection Description: Threaded; 1/2" NPT, 3/4" NPT
from CEME
CEME has always been a reference point for the ironing and steam cleaning world. The most important brands in this sector rely on CEME for electro valves, pumps, pressure gauges and safety valves, so as to guarantee the utmost efficiency and quality for their products. . Temperature and... [See More]
- Media: Air; Water; Steam
from Equilibar, LLC.
Precision Back Pressure Regulator for Hygienic Service. For gas, liquid and mixed phase processes. Wide Range of working Pressures and Flows. Rugged 316 stainless steel Bar Stock Design with no Welded Fittings. Hygienic: No Crevices, <32Ra Finish. 3 Piece Low Dead Volume Design. Ports are the... [See More]
- Media: Hydraulic; Air; Breathable; Compressed Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; High Purity; LP Gas; Natural Gas; Sour Gas; Specialty Corrosive; Powder Solids (optional feature); Steam
- Maximum Pressure: 0.00 to 150.00
- Valve Size: 0.50
- Controlled Pressure Range: 0.00 to 150.00
from Armstrong International
The GP-2000R is a high-performance externally piloted throttling back-pressure valve for large capacity applications. Typical applications would include systems using flash steam for low-pressure heating or processes. The GP-2000R valve will function to maintain a constant upstream pressure. This... [See More]
- Media: Steam
- Maximum Pressure: 200.00
- Valve Size: 0.50 to 6.00
- Controlled Pressure Range: 3.00 to 200.00
from Schutte & Koerting
Pressure Relief Valves are quick-opening, quick-closing valves used to protect equipment from gas pressure build up or pressure surges. Standard applications involve steam, gases, or liquids where a tight seating valve is required to prevent overpressure. Typical applications are in process... [See More]
- Media: Water; Gas; Steam
- Primary Material: Steel
- Maximum Pressure: 150.00 to 300.00
from Spirax-Sarco
The BDV depressurisation valves are designed to be fitted into " , ½ " and DN15 connections for drain / blowdown / purge and vent / depressurisation of pipework or products. The B DV1 provides discharge straight through the valve, generally to be used as a drain, or for line depressurisation... [See More]
- Media: Air; Water; Gas; Steam
- Maximum Pressure: 0.00 to 1232.82
- Valve Size: 0.38 to 0.50
- Connection Description: Threaded
from Check-All Valve Mfg. Co.
The Bushing Valve is a check valve with a standard bushing housing. The valve is adaptable to many types of service applications. It has very little restriction and produces a low pressure drop. It can be used quite effectively in systems where flow and pressure drop are critical by the use of a... [See More]
- Media: Hydraulic; Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water (optional feature); Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature); Steam; Liquids
- Maximum Pressure: 3000.00
- Valve Size: 0.50
- Connection Description: Threaded; Face Seal (optional feature); 3/8 NPT
from General Pump
Steam Valve. General Pump, along with our parent company, Interpump Group S.r.l., has been the world leader in plunger pump development since 1982. While known as the leader in plunger pumps for the pressure cleaning industry, we have expanded to serve Vehicle Wash as well as many Industrial... [See More]
- Media: Water; Hot Water; Steam
- Maximum Pressure: 4050.00
- Valve Size: 0.25
- Controlled Pressure Range: 3650.00
from Curtiss-Wright, Valve Group
Curtis Wright provides a variety of industrial grade pressure relief valves that meet the harsh environments suitable for applications such as power and oil, petrochemical, hydrocarbon service, seawater cooling systems, offshore applications. Curtiss-Wright pressure relief valves are supplied... [See More]
- Media: Air; Water; Gas; Steam
- Controlled Pressure Range: 15.00 to 6500.00
- Valve Size: 0.50 to 24.00
from Seetru Limited
Flows Rates: Flow calculated based upon: Steam in accordance with TUV and are for guidance only, contact Seetru for help in sizing to your specifications. Product Description: 8mm Nominal Bore Atmospheric Discharge Safety Relief Valve for Steam. Notes: Relieving pressure is set pressure +10% (0.1... [See More]
- Media: Steam
- Maximum Pressure: 3.92 to 58.02
- Valve Size: 0.25
- Connection Description: Threaded; 1/4" BSP or BSPT
from Watts
Series 1450F Dual Controls (Regulator and Relief Valve) are for use in commercial and residential hydronic heating systems to fill the boiler and piping system with water, and to maintain water pressure in the system at all times. It also provides make-up water to the system in the event of system... [See More]
- Media: Water; Steam
- Valve Size: 0.50
from CEME
CEME has always been a reference point for the ironing and steam cleaning world. The most important brands in this sector rely on CEME for electro valves, pumps, pressure gauges and safety valves, so as to guarantee the utmost efficiency and quality for their products. . Temperature and... [See More]
- Media: Air; Water; Steam
from Equilibar, LLC.
Precision Back Pressure Regulator. For gas & mixed phase processes. Rugged Bar Stock Design. Available in ¼ inch through 1 inch sizes. SS316 standard with Hastelloy C optional. Diaphragms available in PTFE, Hastelloy, SS316, and polyimide. The GS series is specifically designed for a... [See More]
- Media: Hydraulic; Air; Breathable; Compressed Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; High Purity; LP Gas; Natural Gas; Sour Gas; Specialty Corrosive; Powder Solids (optional feature); Steam
- Maximum Pressure: 0.00 to 2500.00
- Valve Size: 0.12 to 1.00
- Controlled Pressure Range: 0.00 to 2500.00
from Armstrong International
The GD-2000K is an ideal choice when set-point changes are frequent, access to the valve is difficult and steam quality is poor. The GD-2000K comes with either NPT or flanged connections for quick, easy installation. It also comes with a durable ductile iron body and features double stainless steel... [See More]
- Media: Steam
- Maximum Pressure: 300.00
- Valve Size: 0.50 to 4.00
- Controlled Pressure Range: 7.00 to 200.00
from Spirax-Sarco
The DEP4 is a cast steel direct acting bellows sealed excess pressure valve. The standard version as an EPDM diaphragm (limited to 125 ° C) and is suitable for steam and water applications. Also available for oil applications is a Nitrile rubber diaphragm (suffix 'N ' i.e. DEP4B1N which is... [See More]
- Media: Water; Steam
- Connection Description: BoltFlange; DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80 and DN100
- Maximum Pressure: 4.35 to 217.56
- Primary Material: Steel; Cast Steel
from Check-All Valve Mfg. Co.
The Butt Weld (B4) check valve is a one piece body machined from bar stock, eliminating porosity concerns and providing uniform density for more consistent welds. Made to ASME/ANSI B16.25 for schedule 40 pipe, it carries rugged, dependable Check-All trim with a wide variety of seat materials and... [See More]
- Media: Hydraulic; Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water (optional feature); Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature); Steam; Liquids
- Maximum Pressure: 1500.00 to 5000.00
- Valve Size: 0.50
- Connection Description: Butt Weld; Face Seal (optional feature)
from Seetru Limited
Flows Rates: Flow calculated based upon: Steam in accordance with TUV and are for guidance only, contact Seetru for help in sizing to your specifications. Product Description: 8mm Nominal Bore Atmospheric Discharge Safety Relief Valve for Steam. Notes: Relieving pressure is set pressure +10% (0.1... [See More]
- Media: Steam
- Maximum Pressure: 3.92 to 72.52
- Valve Size: 0.25 to 0.38
- Connection Description: Threaded; 1/4" to 3/8" BSP, BSPT or NPT
from Watts
Series Figure 31 Steam Safety Relief Valves are ASME section I valves used on steam boilers with operating pressures from 5 to 250psi (.34 to 17.2 bar). Series Figure 31 is a high capacity safety relief valve with a top guide and full nozzle. It consists of a bronze body (sizes 1/2 to 2 1/2 in.)... [See More]
- Media: Water; Steam
from CEME
CEME has always been a reference point for the ironing and steam cleaning world. The most important brands in this sector rely on CEME for electro valves, pumps, pressure gauges and safety valves, so as to guarantee the utmost efficiency and quality for their products. . Temperature and... [See More]
- Media: Air; Water; Steam
from Equilibar, LLC.
Equilibar's Research Series back pressure regulator offer precision performance for high pressure applications up to 5000 psig. These regulators provide stable inlet pressure across widely varying flow rates, for liquid, gas, and mixed phase fluids. We can provide diaphragms of Stainless Steel 316,... [See More]
- Media: Hydraulic; Air; Breathable; Compressed Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; High Purity; LP Gas; Natural Gas; Sour Gas; Specialty Corrosive; Powder Solids (optional feature); Steam
- Maximum Pressure: 0.00 to 10000.00
- Valve Size: 0.12
- Controlled Pressure Range: 0.00 to 10000.00
from Armstrong International
The GD-30 is a compact, high-performance direct-acting valve. Economical to buy and use, it is ideal for those low- to moderate-flow applications where accuracy of +/- 10% is acceptable. The GD-30 is well suited for laundry and dry-cleaning equipment, hospital equipment, tire molds, humidifiers,... [See More]
- Media: Air; Compressed Air; Gas; Steam
- Maximum Pressure: 250.00
- Valve Size: 0.50 to 2.00
- Controlled Pressure Range: 3.00 to 140.00
from Spirax-Sarco
The DEP7 is an SG iron direct acting bellows sealed excess pressure valve. The standard version has an EPDM diaphragm limited to 125 ° C and is suitable for steam and water applications. Also available for oil applications is a Nitrile rubber diaphragm (suffix 'N ' i.e. DEP7B1N which is limited... [See More]
- Media: Water; Steam
- Maximum Pressure: 145.04 to 232.06
- Valve Size: 0.50 to 2.00
- Connection Description: Threaded (optional feature); BoltFlange (optional feature); 1/2", 3/4", 1", 1¼", 1½" and 2" Screwed BSP or NPT, DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80 and DN100 Flanged
from Check-All Valve Mfg. Co.
The Connector Valve is a check valve with a hex nipple or connector housing. It is designed to be used in installations where check valves with male pipe threads are required. The Connector Valve is adaptable for use as a check valve, vacuum breaker, or low pressure relief valve. Two valves used in... [See More]
- Media: Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water (optional feature); Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature); Steam; Liquids
- Maximum Pressure: 3000.00
- Valve Size: 0.50
- Connection Description: Threaded; Face Seal (optional feature); 1/2 NPT
from Seetru Limited
Flows Rates: Flow calculated based upon: Steam in accordance with TUV and are for guidance only, contact Seetru for help in sizing to your specifications. Product Description: 8mm Nominal Bore Enclosed Discharge Safety Relief Valve for Steam. Notes: Maximum permissible built up back pressure is 10%... [See More]
- Media: Steam
- Maximum Pressure: 4.35 to 58.02
- Valve Size: 0.25 to 0.50
- Connection Description: Threaded; 1/4" to 1/2" BSP, BSPT or NPT
from Watts
Series 315-M2 Steam Safety Relief Valves are used in commercial and industrial applications for low-pressure, steam heating boilers and process equipment. It consists of a bronze body construction with NPT threaded male inlet and threaded female outlet (drain) connection, stainless steel spring, a... [See More]
- Media: Water; Steam
- Valve Size: 0.75
from CEME
CEME has always been a reference point for the ironing and steam cleaning world. The most important brands in this sector rely on CEME for electro valves, pumps, pressure gauges and safety valves, so as to guarantee the utmost efficiency and quality for their products. . Temperature and... [See More]
- Media: Air; Water; Steam
from Equilibar, LLC.
New Beta HT Series Extends Temperature to 450C. Equilibar has just made its HT Series back pressure regulators available for beta release to select customers. These regulators utilize a graphite seal for temperatures to 450C and pressures to 5000 psig. The Grafoil GTA seal is nuclear grade purity... [See More]
- Media: Hydraulic; Air; Breathable; Compressed Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; High Purity; LP Gas; Natural Gas; Sour Gas; Specialty Corrosive; Powder Solids (optional feature); Steam
- Maximum Pressure: 0.00 to 5000.00
- Valve Size: 0.12
- Controlled Pressure Range: 0.00 to 5000.00
from Armstrong International
The GD-45 is a compact, high-performance direct-acting valve. Inexpensive to buy and use, it is ideal for those moderate-flow applications that do not justify the higher cost of pilot-controlled valves. The GD-45 is well suited for laundry and dry-cleaning equipment, hospital equipment, tire molds,... [See More]
- Media: Air; Compressed Air; Gas; Steam
- Maximum Pressure: 300.00
- Valve Size: 0.50 to 1.00
- Controlled Pressure Range: 3.00 to 140.00
from Check-All Valve Mfg. Co.
The CAV series of valves are not catalog items but rather are custom designed and tailored to meet customer specific connections or valve configurations. If you have a check valve application where our standard catalog items do not quite match what you are looking for, contact our sales department... [See More]
- Media: Hydraulic; Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water (optional feature); Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature); Steam; Liquids
- Primary Material: Aluminum; Brass / Bronze; Stainless Steel (optional feature); Steel (optional feature); Exotic Metal; Titanium, Monel
- Connection Description: Threaded (optional feature); Compression (optional feature); BoltFlange (optional feature); Clamp Flange (optional feature); Union (optional feature); Tube Fitting (optional feature); Butt Weld (optional feature); Socket Weld (optional feature); Face Seal (optional feature)
- Actuation: Pressure
from Watts
Series 415 Steam Safety Relief Valves are used in commercial and industrial applications for low-pressure, steam heating boilers and process equipment. It consists of a brass body (size 1/4 in.), or a bronze body (sizes 1, 1 1/4, 1 1/2 in.) construction with NPT threaded male inlet and threaded... [See More]
- Media: Water; Steam
- Valve Size: 0.75 to 2.00
from CEME
CEME has always been a reference point for the ironing and steam cleaning world. The most important brands in this sector rely on CEME for electro valves, pumps, pressure gauges and safety valves, so as to guarantee the utmost efficiency and quality for their products. . Temperature and... [See More]
- Media: Air; Water; Steam
from Equilibar, LLC.
Standard Pressure Range: 0.02 (.5 ” WC) to 1500 psig. Ultra Low to Zero flow performance. Standard Cv from 1E-11 to 0.01. Standard 316L Stainless Steel Body; Hastelloy C and PTFE also available. NPT, VCR/VCO type and Valco (low dead volume) ends available. Wide Variety of Diaphragms Including... [See More]
- Media: Hydraulic; Air; Breathable; Compressed Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; High Purity; LP Gas; Natural Gas; Sour Gas; Specialty Corrosive; Powder Solids (optional feature); Steam
- Maximum Pressure: 0.00 to 3000.00
- Valve Size: 0.12
- Controlled Pressure Range: 0.00 to 3000.00
from Armstrong International
The GD-6N and GD-6 are compact, direct-acting diaphragm valves ideal for low-flow applications, including laundry/dry-cleaning equipment, hospital equipment, tire/plastic molds and food processing. Lightweight and compact, the valves require no external sensing lines or additional parts. An external... [See More]
- Media: Air; Steam
- Maximum Pressure: 150.00
- Valve Size: 0.38 to 1.00
- Controlled Pressure Range: 3.00 to 60.00
from Check-All Valve Mfg. Co.
Flange Insert valves are the ultimate check valves in flanged systems. They provide the simplest most economical way to install check valves in a piping system, the valve body automatically positions the valve and holds it in place while bolts are being installed and tightened. All that is required... [See More]
- Media: Hydraulic; Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water (optional feature); Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature); Steam; Liquids
- Connection Description: BoltFlange; Face Seal (optional feature); 1-3/8" O.D. Flange
- Valve Size: 0.50
- Primary Material: Aluminum (optional feature); Brass / Bronze; Stainless Steel; Steel; Exotic Metal; PVC; PTFE; FEP Encapsulator
from CEME
CEME has always been a reference point for the ironing and steam cleaning world. The most important brands in this sector rely on CEME for electro valves, pumps, pressure gauges and safety valves, so as to guarantee the utmost efficiency and quality for their products. . Temperature and... [See More]
- Media: Air; Water; Steam
from Equilibar, LLC.
Precision Back Pressure Regulator. For liquid, gas & mixed phase processes. SS316 Rugged Bar Stock Design. Unique Chatter Suppression Feature in liquid only applications. High Precision and sensitivity. PTFE, stainless steel, and Hastelloy diaphragms available. The NL series back pressure... [See More]
- Media: Hydraulic; Air; Breathable; Compressed Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water; Wastewater; Gas; Gasoline / Diesel Fuel; High Purity; LP Gas; Natural Gas; Sour Gas; Specialty Corrosive; Powder Solids (optional feature); Steam
- Maximum Pressure: 0.00 to 500.00
- Valve Size: 1.00 to 4.00
- Controlled Pressure Range: 0.00 to 500.00
from Armstrong International
The GP-1000 Series valves are pilot-controlled for accurate regulation of pressure under widely ranging flow. The internal-pilot design eliminates external components and piping. Internally piloted GP Series valves are capable of larger capacity and greater accuracy than direct-acting valves. [See More]
- Media: Air; Gas; Steam
- Maximum Pressure: 15.00 to 250.00
- Valve Size: 0.50 to 2.00
- Controlled Pressure Range: 5.00 to 125.00
from Check-All Valve Mfg. Co.
The Check-All Flanged & Drilled check valve is a one-piece cast body valve with ANSI/ASME B16.5 Class 150 flanged ends. The HVFD series valve is used when higher flow rates and lower pressure drops are required. The valve is available in sizes 1 through 10 inches and standard materials of 316... [See More]
- Media: Hydraulic; Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water (optional feature); Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature); Steam; Liquids
- Connection Description: BoltFlange; Face Seal (optional feature); 4-1/4" O.D. Flange
- Valve Size: 1.00
- Primary Material: Brass / Bronze; Stainless Steel; Steel
from CEME
CEME has always been a reference point for the ironing and steam cleaning world. The most important brands in this sector rely on CEME for electro valves, pumps, pressure gauges and safety valves, so as to guarantee the utmost efficiency and quality for their products. . Temperature and... [See More]
- Media: Air; Water; Steam
from Armstrong International
The GP-2000 is a high-performance, externally piloted reducing valve for large-capacity requirements. Typical use is on intermittent service, including applications such as heat exchangers, steam coils, rotating dryers, process equipment and heating systems. With a 20:1 rangeability and high Cv, the... [See More]
- Media: Steam
- Maximum Pressure: 300.00
- Valve Size: 0.50 to 6.00
- Controlled Pressure Range: 1.50 to 200.00
from Check-All Valve Mfg. Co.
The Check-All Flanged & Drilled - PTFE Lined check valve is a one-piece body valve with ANSI/ASME flanged ends. The valve has a solid one-piece PTFE liner, which covers the flange faces out to the raised face diameter. All wetted surfaces are fluoropolymer (PTFE/FEP/PFA) including the FEP... [See More]
- Media: Hydraulic; Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water (optional feature); Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature); Steam; Liquids
- Maximum Pressure: 55.00
- Valve Size: 1.00
- Connection Description: BoltFlange; Face Seal (optional feature); 4-1/4" O.D. Flange
from CEME
CEME has always been a reference point for the ironing and steam cleaning world. The most important brands in this sector rely on CEME for electro valves, pumps, pressure gauges and safety valves, so as to guarantee the utmost efficiency and quality for their products. . Temperature and... [See More]
- Media: Air; Water; Steam
from Armstrong International
The GP-2000CS is a high-performance, externally piloted reducing valve for large-capacity requirements. Typical use is on intermittent service, including applications such as heat exchangers, steam coils, rotating dryers, process equipment and heating systems. With a 20:1 rangeability and high Cv,... [See More]
- Media: Steam
- Maximum Pressure: 15.00 to 450.00
- Valve Size: 0.50 to 4.00
- Controlled Pressure Range: 3.00 to 300.00
from Check-All Valve Mfg. Co.
The Lined Pipe Insert valve is designed to mate between two flanges on most lined pipe systems. It provides the simplest most economical way to install a check valve in a lined piping system. No gaskets are required, just spread the flanges, center the valve and bolt the flanges together. Lined Pipe... [See More]
- Media: Hydraulic; Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water (optional feature); Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature); Steam; Liquids
- Maximum Pressure: 55.00
- Valve Size: 1.00
- Connection Description: BoltFlange; Face Seal (optional feature); 2" O.D. Flange
from CEME
CEME has always been a reference point for the ironing and steam cleaning world. The most important brands in this sector rely on CEME for electro valves, pumps, pressure gauges and safety valves, so as to guarantee the utmost efficiency and quality for their products. . Temperature and... [See More]
- Media: Air; Water; Steam
from Armstrong International
A high-performance externally air-piloted pressure-reducing valve, the GP-2000K-1/GP-2000K-3/GP-20000K-6 is an ideal choice when set-point changes are frequent and access to the PRV is difficult. The valve comes totally assembled and requires no field installation except downstream sensing line and... [See More]
- Media: Steam
- Maximum Pressure: 300.00
- Valve Size: 0.50 to 2.00
- Controlled Pressure Range: 7.00 to 125.00
from Check-All Valve Mfg. Co.
The Check-All Mini-Check is a three piece constructed check valve. The valve is designed for minimum pressure drops. The three piece construction permits many combinations of end fittings, which makes the valve adaptable for nearly every application. The Mini-Check is available with 1/8, 1/4, and... [See More]
- Media: Hydraulic; Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water (optional feature); Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature); Steam; Liquids
- Maximum Pressure: 5000.00
- Valve Size: 0.12
- Connection Description: Threaded (optional feature); Compression (optional feature); Tube Fitting; Face Seal (optional feature); 1/8 Pipe Size
from CEME
CEME has always been a reference point for the ironing and steam cleaning world. The most important brands in this sector rely on CEME for electro valves, pumps, pressure gauges and safety valves, so as to guarantee the utmost efficiency and quality for their products. . Temperature and... [See More]
- Media: Air; Water; Steam
from Check-All Valve Mfg. Co.
The Sanitary Cartridge Valve is a 316 stainless steel check valve for use in new or existing sanitary systems. The SCV design seals on the ID of sanitary ferrules with replaceable food grade seals (Standard is FDA EPDM). The valves fit the Alfa Laval Inc. Bevel Seat and Tri-Clamp ® fittings, the... [See More]
- Media: Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water (optional feature); Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature); Steam; Liquids
- Maximum Pressure: 1000.00
- Valve Size: 0.75
- Connection Description: Clamp Flange (optional feature); Union (optional feature); Butt Weld; Face Seal (optional feature); 3/4" Line Size
from CEME
CEME has always been a reference point for the ironing and steam cleaning world. The most important brands in this sector rely on CEME for electro valves, pumps, pressure gauges and safety valves, so as to guarantee the utmost efficiency and quality for their products. . Temperature and... [See More]
- Media: Air; Water; Steam
from Check-All Valve Mfg. Co.
For over 35 years, the compact, fluoropolymer (PTFE/FEP/PFA), Sanitary Insert Valve has been used as the most economical solution to providing a check valve in a new or existing sanitary piping system. This valve style is designed to fit into grooved-end clamp-type fittings. Since the Sanitary... [See More]
- Media: Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water (optional feature); Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature); Steam; Liquids
- Maximum Pressure: 55.00
- Valve Size: 0.75
- Connection Description: Clamp Flange; Butt Weld; Face Seal (optional feature); 3/4" Line Size
from CEME
CEME has always been a reference point for the ironing and steam cleaning world. The most important brands in this sector rely on CEME for electro valves, pumps, pressure gauges and safety valves, so as to guarantee the utmost efficiency and quality for their products. . Temperature and... [See More]
- Media: Air; Water; Steam
from Check-All Valve Mfg. Co.
The 3-A Sanitary Check Valve is an all 316/316L stainless steel check valve with a standard 32 Ra or better finish, (finer available) for use in new or existing sanitary systems. The 3SC design seals on the ID of sanitary ferrules with 3-A specified materials (standard is EPDM). The valve seals... [See More]
- Media: Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water (optional feature); Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature); Steam; Liquids
- Maximum Pressure: 1000.00
- Valve Size: 1.00
- Connection Description: Clamp Flange; 1" Line Size
from Check-All Valve Mfg. Co.
The Straight Sided Insert is a thread less check valve. designed to be inserted into any cavity where a check valve is needed and threads are not desired. Available Materials: 316 Stainless Steel (SS). Carbon Steel (CS). Alloy 20 (A2). Alloy C-276 (HC). Brass (BR). Alloy B (HB). MONEL ® (MO) [See More]
- Media: Hydraulic; Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water (optional feature); Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature); Steam; Liquids
- Maximum Pressure: 3000.00
- Valve Size: 0.50
- Connection Description: Compression; Face Seal (optional feature); 5-23/64" O.D. Flange
from Check-All Valve Mfg. Co.
The Tubing Check Valve-Flared is a three piece constructed valve with 37 º flared ends which conform to J. I. C. and S. A. E. Hydraulic Standards. These valves are designed for maximum flow with minimal pressure drop. Available Materials: 316 Stainless Steel (SS). Brass (BR). Carbon Steel (CS) [See More]
- Media: Hydraulic; Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water (optional feature); Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature); Steam; Liquids
- Maximum Pressure: 3000.00 to 8500.00
- Valve Size: 0.25
- Connection Description: Threaded; Tube Fitting (optional feature); Face Seal (optional feature); 1/4" Tubing Size
from Check-All Valve Mfg. Co.
The Tubing Check Valve is a three piece constructed check valve with flareless tube ends. The valve is designed for minimum pressure drops. The valves are furnished complete with ferrules and nuts. Available Materials: 316 Stainless Steel (SS). Brass (BR). Carbon Steel (CS) [See More]
- Media: Hydraulic; Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water (optional feature); Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature); Steam; Liquids
- Maximum Pressure: 3000.00 to 8000.00
- Valve Size: 0.12
- Connection Description: Compression (optional feature); Tube Fitting; Face Seal (optional feature); 1/8" Tubing Size
from Check-All Valve Mfg. Co.
The Union Insert Valve is the threaded pipe counterpart of the Flange Insert Valve. Designed to be inserted into most standard ground joint unions, it provides the simplest and most economical way to install a check valve in a threaded pipe system. A check valve may be installed anywhere in the... [See More]
- Media: Hydraulic; Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water (optional feature); Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature); Steam; Liquids
- Maximum Pressure: 3000.00
- Valve Size: 0.50
- Connection Description: Union; Face Seal (optional feature); 1/2" Line Size
from Check-All Valve Mfg. Co.
The Universal High Pressure check valve is a one piece body machined from bar stock with female pipe threads. The valve is designed and manufactured for high pressure applications. For applications below 3000 PSIG, view our UN-3 series. Available Materials: 316 Stainless Steel (SS). Alloy B (HB). [See More]
- Media: Hydraulic; Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water (optional feature); Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature); Steam; Liquids
- Maximum Pressure: 10000.00
- Valve Size: 0.38
- Connection Description: Threaded; Face Seal (optional feature); 3/8 NPT
from Check-All Valve Mfg. Co.
The Universal Low Pressure check valve is a one piece body machined from bar stock and is designed for minimum pressure drop. The valve is light, compact, and provides maintenance free dependable service. For applications above 3000 PSIG, view our UN-10 series. For applications where weld joint are... [See More]
- Media: Hydraulic; Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water (optional feature); Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature); Steam; Liquids
- Maximum Pressure: 3000.00
- Valve Size: 0.38
- Connection Description: Threaded; Face Seal (optional feature); 3/8 NPT
from Check-All Valve Mfg. Co.
The Universal Socket Weld check valve is machined from bar stock and designed for a minimum pressure drop. It carries rugged, dependable Check-All trim and there is a wide variety of seat materials and cracking pressures to choose from. This valve series is particularly attractive when weld joints... [See More]
- Media: Hydraulic; Air; Water; Hot Water; Cold Water ; Ground Water; Potable Water; Salt Water (optional feature); Gas; Gasoline / Diesel Fuel (optional feature); High Purity (optional feature); LP Gas (optional feature); Natural Gas (optional feature); Sour Gas (optional feature); Specialty Corrosive (optional feature); Steam; Liquids
- Maximum Pressure: 5000.00
- Valve Size: 0.38
- Connection Description: Socket Weld; Face Seal (optional feature); 3/8 Pipe Size