Air Vacuum Relief 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

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

Description: APCO AVR Vacuum Relief/Air Inlet Valves are proven reliable at preventing vacuum formation in pipelines and resulting damage from column separation and water hammer (pressure surges). They are normally closed, large orifice one-way valves. They permit air to

• 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

Description: rate model. Applications Machine Tools:Milling machine, NC lathe, laser processing machine etc. Industrial furnace:General industrial furnace, heating furnace, vacuum furnace, etc. Medical:Endoscope washing device, oxygen

• Connection: Threaded
• Media Temperature: 32 to 194 F
• Pressure Rating: 290 psi
• Valve Size: 0.2500 inch

Description: Features & Benefits SERIES CR-101 ALUMINUM BODY CONTINUOUS ACTING AIR VENT AND VACUUM RELIEF VALVE continually provides high-volume air and vacuum protection, insures full line capacity, and conserves pump horsepower. It has a high-strength,

• Media: Air

Description: Features & Benefits SERIES CR-101-HP ALUMINUM BODY CONTINUOUS ACTING HIGH PRESSURE AIR VENT AND VACUUM RELIEF VALVE is a higher-pressure air vent for areas with extreme elevations and where extra protection is required. It has a high-strength, corrosion-resistant

• Media: Air

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

• Actuation: Manual / Hand
• Connection: Threaded
• Media Temperature: 32 to 194 F
• Pressure Rating: 435 psi

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

• Connection: Threaded
• Flow (Cv): 13 to 29
• Pressure Rating: 235 psi
• Valve Size: 0.1250 to 0.7500 inch

Description: The PRV over-and-underpressu re 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

• Connection: Bolt Flange
• Media Temperature: 14 to 302 F
• Pressure Rating: -0.2901 to 0.6527 psi
• Valve Type: Pressure Relief Valves

Description: Tools:Milling machine, NC lathe, laser processing machine etc. Industrial furnace:General industrial furnace, heating furnace, vacuum furnace, etc. Medical:Endoscope washing device, oxygen concentrator, anesthesia machine etc. Analysis equipment:Measuremen t

• Connection: Threaded
• Flow (Cv): 13 to 19
• Pressure Rating: 986 psi
• Valve Size: 0.1250 to 0.2500 inch

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

• Actuation: Mechanical Device
• Connection: Threaded
• Valve Size: 0.3937 to 1.26 inch
• Valve Type: Diaphragm Valves

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

• Media: Water
• Valve Size: 0.5000 to 0.7500 inch
• Valve Type: Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves

Description: Integrated in a SCANDI BREW® tank top system, the Alfa Laval SB Anti Vacuum Valve is a compact safety valve that minimizes the risk of implosion of tanks when a vacuum condition arises. These conditions occur while filling or emptying the vessel of liquid, cool rinsing

• Media: Air
• Pressure Rating: 58.02 to 87.02 psi
• Primary Material of Construction: Stainless Steel
• Valve Size: 3.94 to 15.75 inch

Description: Kadant Johnson vacuum breakers provide a simple, dependable way to relieve unwanted vacuum which may develop in a closed vessel or pipeline. They can be used to prevent contamination from back siphonage in fluid handling systems, and to protect equipment against collapse or implosion.

• Actuation: Mechanical Device
• Media Temperature: 365 F
• Number of Ports/Ways: 2
• Pressure Rating: 300 psi

Description: RELIEF VALVE, 2" FEMALE NPT INLET, 2" MALE NPT OUTLET, SET AT 15" HG VACUUM, 426 SCFM CAPACITY, CAST IRON BODY, NON-CODE VACUUM AIR (SCFM) RELIEF VALVE. FREE 2 YEAR RADWELL WARRANTY

• Primary Material of Construction: Cast Iron
• Valve Type: Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves

Description: Vacuum pressure relief module for vacuum pump protection The vacuum pressure relief module is used to protect the vacuum pump from excess pressure. Even in cases of rapid pressure rises (up to 4,350 psi) the vacuum pressure relief module

• Connection: Threaded, Clamp Flange
• Media Temperature: 41 to 140 F
• Pressure Rating: 2.9 psi
• Valve Size: 0.4724 inch

Description: Vacuum pressure relief module for venting to the outside for vacuum pump protection The TVS21 vacuum pressure relief module is used to protect the vacuum pump from excess pressure. The vacuum pressure relief module type TVS21 protects the pump

• Connection: Threaded, Clamp Flange
• Media Temperature: 41 to 140 F
• Pressure Rating: 2.9 psi
• Valve Size: 0.4724 inch

Description: PNEUMATIC MANUAL SHUT-OFF PRESSURE RELIEF VALVE, 1/2 INCH FEMALE NPT INLETS, 1/2 INCH FEMALE NPT OUTLETS, FOR USE WITH AX-44 SERIES AIR PREP COMPONENTS. FREE 2 YEAR RADWELL WARRANTY

• Actuation: Pneumatic
• Media: Air
• Valve Type: Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves

Description: AIR PRESSURE RELIEF VALVE,RC3/4 PIPE SIZE. FREE 2 YEAR RADWELL WARRANTY

• Valve Type: Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves

Description: PRESSURE RELIEF VALVE, 1500 PSI AIR / GAS, 1/4 MNPT, BRASS. FREE 2 YEAR RADWELL WARRANTY

• Material of Construction: Brass / Bronze
• Valve Type: Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves

Description: BREW® tank top system, the valve is designed for hygienic processes in the brewery, dairy, food and beverage industries. Effective vacuum protection When high process safety and production reliability are critical, this unit help protect tanks from vacuum conditions that may

• Media: Air
• Pressure Rating: 65.27 psi
• Primary Material of Construction: Stainless Steel
• Valve Size: 2 to 6 inch

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

• Media: Water
• Valve Size: 0.5000 to 0.7500 inch
• Valve Type: Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves

Description: The IPVA10EK is a solenoid operated valve designed for automatic admit­tance of air or vent gas into a vacuum system. The valve has two ports with NW flanges. One of the valve ports is connected to the vacuum system, the other port can be left open to

• Fail-Safe: Spring-to-Open / Normally Open
• Operating / Bake-out Temperature: -4 to 131 F
• Port Flange (ISO Nominal Size): NW 10
• Port Flange / Fitting Type: ISO

Description: Description 7140/8140 Series single absorption valve is a vacuum relief valve, which can avoid the loss of the storage tank due to negative pressure and compensate for the air pressure balance of the storage tank. 7140, 8140 Gravity Type Vacuum Relief

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

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

• Actuation: Mechanical Device
• Flow (Cv): 5.8 to 90
• Media: Air, Breathable Air, Compressed Air, Water, Hot Water, Cold Water, Ground Water, Potable Water, Salt Water, Wastewater, Gas, Gasoline / Diesel Fuel, High Purity Gas, LP - Gas, Natural Gas, Sour Gas, Specialty / Corrosive Gases, Hydraulic Fluid
• Media Temperature: -325 to 700 F

Description: The Breather Valve is design for enclosure, container transit cases and similar application where requires a manual vacuum pressure relief during pressure change cause by temperature change, height change. The container is hard to open under a vacuum differentials and

• Actuation: Manual / Hand
• Media: Air
• 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

• Valve Type: Pressure Relief Valves

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
• Valve Type: Control Valves, Directional Valves, Float Valves, Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves

Description: Kelly Pneumatics, Inc. introduces an electronic pressure relief valve for high flow applications. This valve offers high-resolution pressure chamber control for applications that require high volume, relieving flow performance. Well used in applications that need to sustain a

• Pressure Rating: 1 to 98 psi
• Regulator: Regulator (general), Vacuum / Absolute Pressure Regulators

Description: Series CARD Combination Air Release and Degassing Valve in a single unit. Also provides Vacuum Relief Valve function, which prevents pipeline vacuum in case of leaks or siphon. Connections from 1? – 4? in a variety of materials; sizing is based on air

• Port Flange / Fitting Type: Elastomeric Seal / O-ring, Other
• Port Size / OD: 1 to 4 inch
• Types: Relief Valve

Description: Pumps are provided with threaded connections for service liquid, pump draining, anticavitation valve. Pumps are also provided, by request, with flanged air-liquid separator tank, non return valve, ejector, vacuum relief valve, valve to control the

• Applications: General Purpose / Industrial, Chemical / Corrosive Gas, Food Processing, Pharmaceutical / Sanitary, Semiconductor Manufacturing, Other
• Configuration: Individual Vacuum Pump, Vacuum Pump System / Station
• Mechanical Pump Type: Liquid Ring
• Mounting: Permanent Installation

Description: Pumps are provided with threaded connections for service liquid, pump draining and anticavitation valve & companion flanges. Pumps are also provided, by request, with auxiliary threaded connections, flanged air-liquid separator tank, non return valve, vacuum relief

• Applications: General Purpose / Industrial, Chemical / Corrosive Gas, Food Processing, Pharmaceutical / Sanitary, Semiconductor Manufacturing, Other
• Configuration: Individual Vacuum Pump, Vacuum Pump System / Station
• Mechanical Pump Type: Liquid Ring
• Mounting: Permanent Installation, Other

Description: Pumps are provided with threaded connections for service liquid, pump draining, anticavitation valve and companion flanges. Pumps are also provided, by request, with auxiliary threaded connections, companion flanges, flanged air-liquid separator tank, non return valve,

• Applications: General Purpose / Industrial, Chemical / Corrosive Gas, Food Processing, Pharmaceutical / Sanitary, Semiconductor Manufacturing, Other
• Configuration: Individual Vacuum Pump, Vacuum Pump System / Station
• Mechanical Pump Type: Liquid Ring
• Mounting: Permanent Installation

Description: Pumps are provided with threaded connections for service liquid, pump draining, anticavitation valve and companion flanges. Pumps are also provided, by request, with flanged air-liquid separator tank, non return valve, ejector, vacuum relief valve, flow

• Applications: General Purpose / Industrial, Chemical / Corrosive Gas, Food Processing, Pharmaceutical / Sanitary, Semiconductor Manufacturing, Other
• Configuration: Individual Vacuum Pump, Vacuum Pump System / Station
• Mechanical Pump Type: Liquid Ring
• Mounting: Permanent Installation, Other

Description: The V-5700 and V-5800 Series Vacuum Piloted 3-Way Valve has an adjustable vacuum pilot setpoint; the sensing vacuum range is 1 to 28" Hg. Maximum signal pressure is 29.9" Hg.

• Actuation: Pilot Operated
• Media: Air, Compressed Air
• Media Temperature: 40 to 120 F
• Number of Ports/Ways: 3

Description: AVK combination air valves combine an air & vacuum orifice and an automatic air release orifice in a single body. The innovative design with a large air gap between liquid and sealing system ensures a reliable function even whenused with aggressive liquids

• Media: Air, Wastewater
• Media Temperature: 158 F
• Primary Material of Construction: Ductile Iron, Stainless Steel
• Valve Size: 3 to 8 inch

Description: 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

• Actuation: Other
• Connection: Threaded, Metal Face Seal
• Flow (Cv): 140
• Pressure Rating: 1500 psi

Description: AVK air and vacuum valves are designed to discharge air during the filling or charging of the system and to admit air into the system during system drainage, valve or pump shut-off or at water column separation. We also offer a range of air release

• Media: Air
• Media Temperature: 140 F
• Primary Material of Construction: Ductile Iron
• Valve Size: 4 to 12 inch

Description: Class 150 or 300 flanges, and the FIV Class 600 (F6) valves are designed for schedule 80 pipe or Class 600 flanges. Flange Insert valves can be used as check valves, low pressure relief valves, and vacuum breakers by simply using different spring settings.

• Actuation: Other
• Connection: Bolt Flange, Metal Face Seal
• Flow (Cv): 4000
• Valve Size: 20 inch

Description: reducer coupling. The Bushing Valve also makes an excellent vacuum breaker. The high flow rate insures maximum effectiveness for vacuum breaker service. By reversing the direction of flow it can also be used as a low pressure relief valve. Available Materials

• Actuation: Other
• Connection: Threaded, Metal Face Seal
• Flow (Cv): 32
• Pressure Rating: 3000 psi

Description: , while the air is exhausted. When the required weight in a silo has been reached, the valve changes position by means of two actuators. The product is then sent to alternative weigh stations or conveyed back to the main storage silo. Only one fi lter unit is required for the complete

• Media: Powder / Solids
• Media Temperature: 176 F
• Pressure Rating: -4.35 to 14.5 psi
• Valve Size: 1.97 to 5.91 inch

Description: , F6, or FP are not practical. Many valves in this series meet API 594 requirements. Consult the factory for complete details. WV valves can be used as check valves, low pressure relief valves, and vacuum breakers by simply using deferent spring settings.

• Actuation: Other
• Connection: Bolt Flange, Metal Face Seal
• Flow (Cv): 12.7
• Valve Size: 1.25 inch