Vacuum Relief Valve

Description: Vacuum Relief Valves -- VRV-3

• Port Size / OD: 3 inch
• Vacuum / Pressure Range: Medium (< 1, >10^-3 torr), Rough / Low (< 760, > 1 torr)
• Port Flange & Seal Type: NPT Female
• Valve Actuation: Pneumatic

Description: Miniature Vacuum Relief Valve -- VRV-050

• Port Size / OD: 0.5 inch
• Vacuum / Pressure Range: Medium (< 1, >10^-3 torr), Rough / Low (< 760, > 1 torr)
• Port Flange & Seal Type: NPT Male
• Valve Actuation: Pneumatic

Description: Series N36 Water Service Vacuum Relief Valves are used in water heater/tank applications to automatically allow air to enter into the piping system to prevent vacuum conditions that could siphon the water from the system and damage water heater/tank equipment. It consists

• Valve Size: 0.5 to 0.75 inch
• Features: Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves
• Media: Water

Description: Relief Valve 8147 Series Pipe Spring Type Vacuum Relief Valve 8145 Series Pipe Gravity Type Vacuum Relief Valve Design Features of 7140/8140 Vacuum Relief Valve Sizes: 3" to 12" (DN50 to DN300) API7140 series breathing

• Valve Size: 3 to 14 inch
• Features: Directional Valves, Pressure Relief Valves, Safety Valves

Description: Description 7100/8100 Series pressure/vacuum relief valves are pressure/vacuum relief valves for large volume discharge of storage tanks, which can avoid loss of storage tanks due to overpressure or negative pressure, and at the same time can significantly

• Valve Size: 2 to 12 inch
• Features: Directional Valves, Pressure Relief Valves, Safety Valves

Description: Breathing Valve 7123, 8123 Positive/Negative Pressure Spring-Loaded Breathing Valve 7125, 8125 Positive Pressure Spring-Loaded Breathing Valve Design Features of Breather Pressure Vacuum Valve Size: 2" ~12"(DN50~DN300) API7120 series breathing valve

• Valve Size: 2 to 12 inch
• Features: Directional Valves, Pressure Relief Valves, Safety Valves

Description: The VRV functions very much like a single stage pressure regulator, except this modified design allows the user to set the outlet pressure below atmospheric pressure. The VRV would be placed in between a vacuum line and a positive pressure source. When the vacuum source downstream

• Pressure Rating: 500 psi
• Features: Other
• Primary Material: Stainless Steel
• Valve Type: Vacuum Relief / Anti-siphon Valves

Description: Series LFN36 Lead Free* Water Service Vacuum Relief Valves are used in water heater/tank applications to automatically allow air to enter into the piping system to prevent vacuum conditions that could siphon the water from the system and damage water heater/tank

• Valve Size: 0.5 to 0.75 inch
• Features: Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves
• Media: Water

Description: VACUUM RELIEF VALVE, 15 PSI, 3/4IN, LEAD FREE. FREE 2 YEAR RADWELL WARRANTY

• Features: Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves

Description: vacuum, but no air escapes when the system pressure returns to positive. They are are recommended for either water/clean fluids or for sewage applications. The AVR is also available as a Combination Valve with the large orifice Vacuum Relief/Air Inlet Valve opening

• Media: Air
• Valve Type: Vacuum Relief / Anti-siphon Valves

Description: Alfa Laval relief valves prevent vacuum or pressure build up inside tanks or vessels used in the brewery, food and beverage, personal care and biopharm industries. Overpressure protection To protect against overpressure and vacuum conditions while filling or emptying the

• Number of Ports/Ways: 2
• Media: Air
• Valve Type: Sanitary / Hygienic Valves, Vacuum Relief / Anti-siphon Valves

Description: Temperature and pressure relief valves The temperature and pressure relief valve (T & P) is the primary "back-up" safety protection and a two-in-one safety device, which, as its name implies, responds both to excessive temperature and to excessive pressure in a water

• Pressure Rating: 145.0377 psi
• Media Temperature: 199.4 to 201.2 F
• Valve Type: Vacuum Relief / Anti-siphon Valves
• Media: Water

Description: surge relief valve is typically installed downstream of the check or pump control valves on the pump discharge header with the valve inlet connected to the side outlet of a tee and the valve outlet piped to the sump. The Surge Relief Valve has an

• Valve Type: Vacuum Relief / Anti-siphon Valves

Description: Pressure relief valves from Technetics Group are designed to protect your pressure vessels, systems and components. Our engineers will tailor overpressure solutions to the specifications you require. As with each of our solutions, the pressure relief valve solutions that

• Valve Size: 0.25 to 3 inch
• Pressure Rating: 1 to 10,000 psi
• Media Temperature: -457 to 400 F
• Primary Material: Aluminum, Exotic Metal, PTFE - Teflon®, Stainless Steel

Description: pressure, this valve varies flow rates automatically subject to dynamic increases in chamber pressure. Unlike traditional mechanical relief valves, the Electronic Relief Valve offers variable performance based on electrical input supplied either manually or a by

• Pressure Rating: 1 to 98 psi
• Media Temperature: 0 to 150 F
• Number of Ports/Ways: 2
• Number of Positions: 2

Description: Features Special packing rubber inhibits valve’s vibration. Setting of cracking pressure is controllable. (Pressure setting is done before shipping) Body material is stainless (SUS314), excellent corrosion resistance. Liquid available, In-line type, High flow model. Applications Machine

• Valve Size: 0.25 inch
• Pressure Rating: 435.110518071591 psi
• Media Temperature: 32 to 194 F
• Number of Ports/Ways: 2

Description: Description Pressure Relief Sustaining Valve Features The pressure relief/sustaining valve consists of the main valve, pressure relief/sustaining pilot valve, needle valve, ball valve, microform filter, and pressure gauge. It can be used

• Media: Air
• Features: Control Valves, Directional Valves, Float Valves, Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves

Description: Features And Benefits 3/4" pressure relief valve Designed for fire sprinkler system relief Standard adjustability from 20-200psi Body and cover materials: cast bronze, stainless Steel UL Listed, FM Approved

• Features: Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves
• Media: Water

Description: Alfa Laval relief valves prevent vacuum or pressure build up inside tanks or vessels used in the brewery, food and beverage, personal care and biopharm industries. Overpressure protection To protect against overpressure and vacuum conditions while filling or emptying the

Description: Features And Benefits 3/4" pressure relief valve, set to 75 psi Fixed setting pressure relief valve Suitable for thermal expansion relief Also suitable for static relief, low capacity pump relief, passive solar, thermal expansion relief and

• Features: Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves
• Media: Water

Description: Features And Benefits 1/2" pressure relief valve set at 75 psi Fixed setting pressure relief valve Suitable for thermal expansion relief Also suitable for static relief, low capacity pump relief, passive solar, thermal expansion relief and

• Features: Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves
• Media: Water

Description: Features High precision cracking performance, high sealability. Deflector cap controls direction of blow-out when it reliefs. In exposure use environment , FRC reduce the invasion of foreign substance into valve . Cracking pressure’s setting is done before delivering. Applications

• Valve Size: 0.125 to 0.75 inch
• Pressure Rating: 234.959679758659 psi
• Flow (Cv): 13 to 29
• Number of Ports/Ways: 2

Description: The PRV over-and-underpressure relief valve is an indispensable component for guaranteeing atmospheric pressure in receiving and discharging vessels. The PRV is designed to avoid an explosion or implosion which can occur when an unacceptable level of pressure or vacuum arises

• Pressure Rating: 0.2900754 to 0.65266965 psi
• Media Temperature: 14 to 302 F
• Media: Air, Powder / Solids
• Primary Material: Aluminum

Description: Series RVDT/RVDTM is a universal automatic backpressure control valve for pressure relief, pump backpressure, pump bypass, anti-siphon, and backpressure regulator applications. Thermoplastic or Metal Valves designed for smooth, sensitive operation and the ultimate in corrosion

• Valve Size: 0.25 to 2 inch
• Pressure Rating: 5 to 150 psi
• Number of Ports/Ways: 2
• Port Size: 0.25 to 2 inch

Description: Series RVDM features a primary rolling diaphragm and a secondary flat diaphragm which incorporates the Plast-O-Matic patented Fail-Dry design for added protection. The rolling diaphragm provides greater sensitivity than non-diaphragm style relief valves, and is ideal for all

• Valve Size: 0.5 to 1 inch
• Pressure Rating: 5 to 150 psi
• Number of Ports/Ways: 2
• Primary Material: CPVC, PVC, PVDF, Polypropylene (PP)

Description: Designed to provide emergency relief from excessive pressure in refrigerant-containing vessels, they are built in strict conformance with ASME Boiler and Pressure Vessel Code requirements for safety relief devices. Each valve bears the ASME code symbol of certification (UV).

• Valve Type: Vacuum Relief / Anti-siphon Valves

Description: design Compact and robust, the hygienic SB Anti Vacuum Valve easily fits onto the top of any closed tank. The valve size and setting is based on the tank vacuum rating, maximum allowable emptying speed, cleaning procedure and process requirements. Superior valve

• Valve Size: 3.93701 to 15.74804 inch
• Pressure Rating: 58.01508 to 87.02262 psi
• Media: Air
• Valve Type: Safety Valves, Vacuum Relief / Anti-siphon Valves

Description: With Milvent Vacuum Pressure Relief Valve, it will become easy to open container. The valve can be used for volume up to 33 cubic feet. The valve is robust, lightweight, temper-proof and requires no field maintenance. The valve use corrosion-resistant

• Media: Air
• Actuation: Manual / Hand
• Features: Threaded
• Valve Type: Vacuum Relief / Anti-siphon Valves

Description: Large Volume Vacuum Relief Corrosion-Proof PVC Construction Female Pipe Thread for use on Standar Risers Uses Designed for applications where air venting is not required, but where effective vacuum protection is desirable. Features The VRP-110 is constructed of high strength PVC

• Features: Pressure Relief Valves

Description: Valves with connections of 1/4" or 1/2" have a diaphragm made of Viton and withstand a maximum inlet pressure of 210 psig. All other valves have a PTFE shaft design and withstand a maximum inlet pressure of 140 psig. The shaft design prevents emergency shutdown with a three-seal

• Primary Material: PVC
• Features: Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves

Description: Valves with connections of 1/4" or 1/2" have a diaphragm made of Viton and withstand a maximum inlet pressure of 210 psig. All other valves have a PTFE shaft design and withstand a maximum inlet pressure of 140 psig. The shaft design prevents emergency shutdown with a three-seal

• Primary Material: PVC
• Features: Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves

Description: Valves with connections of 1/4" or 1/2" have a diaphragm made of Viton and withstand a maximum inlet pressure of 210 psig. All other valves have a PTFE shaft design and withstand a maximum inlet pressure of 140 psig. The shaft design prevents emergency shutdown with a three-seal

• Primary Material: PTFE - Teflon®
• Features: Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves

Description: Protects fluoropolymer heat exchangers from collapse damage due to vacuum conditions that often occur in steam lines. FEATURES Brass body with stainless steel operating mechanism and EPR O-ring seat. SPECIFICATIONS ½-inch FNPT only. Maximum steam service: 50 PSIG. Maximum temperature rating:

• Valve Size: 0.5 inch
• Pressure Rating: 50 psi
• Media Temperature: 365 F
• Primary Material: Brass / Bronze, Stainless Steel

Description: DFT® Vacuum Breakers provide effective protection against collapse of pressure vessels, tanks and rolls. They prevent condensate "back-up" when equipment is shut down or inlet steam is reduced by modulating control valves. In piping systems, DFT® Vacuum Breakers are used to

• Valve Size: 1 to 4 inch
• Pressure Rating: 2,500 psi
• Media Temperature: -325 to 700 F
• Flow (Cv): 5.8 to 90

Description: 77- Auto-Vac® Vacuum Breaker - This 1" valve is available in stainless steel and PVC. All internal parts are engineered composite, with a stainless steel disc and resilient seat. Used to prevent water hammer in wastewater valves. For reference use only. Please check Flomatic's

• Valve Size: 1 inch
• Pressure Rating: 400 psi
• Media Temperature: 180 F
• Features: ANSI, Ball / Disk Check Valves, NSF