Vacuum Relief / Anti-siphon Valves Industrial Valves Datasheets

Vacuum Piloted 3-Way Valve -- V-5700-10
from Air Logic

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. [See More]

  • Valve Type: Anti-Siphon
  • Media: Air; Compressed Air
  • Primary Material: Polysulfone
  • Valve Size: 0.06 to 0.12
DFT® Vacuum Breaker Threaded In-Line Check Valves
from DFT Inc.

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 break siphons,... [See More]

  • Valve Type: Metal Seated; Lift Check; Check; Anti-Siphon
  • Media: 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; Hydraulic; Air; Breathable; Compressed Air
  • Primary Material: Stainless Steel
  • Valve Size: 1.00 to 4.00
Vacuum Breakers
from KADANT

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. They combine... [See More]

  • Valve Type: Anti-Siphon
  • Maximum Pressure: 300.00
  • Valve Size: 0.38 to 1.50
  • Number of Ports: 2
Power Failure Venting Valve
from Leybold USA Inc.

Vacuum technology puts great demands on the functioning and reliability of the valves. The demands are fulfilled only if correct shut-off devices are installed for each application, depending on the method of construction, method of operation, and size. Moreover, in the construction and operation of... [See More]

  • Valve Type: Anti-Siphon
  • Media: Gas
  • Primary Material: Aluminum
  • Actuation: Electric
Compact Self-Closing Vacuum Breakers -- Series VB
from Plast-O-Matic Valves, Inc.

Series VB/VBM Patented diaphragm design assures dependable, repetitive, bubble-tight sealing to protect enclosed tanks from collapse or structural damage during draining. Also eliminates siphoning of dangerous fluids,and prevents vacuum damage to sensitive instruments and filters. 1/2 ″, 3/4... [See More]

  • Valve Type: Anti-Siphon
  • Media: Corrosive, Ultra-Pure Liquids
  • Primary Material: PVC; CPVC (optional feature); PP (optional feature); PVDF (optional feature)
  • Valve Size: 0.50 to 1.50
Vacuum Breaker Valve -- VB Series
from Process Technology

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... [See More]

  • Valve Type: Anti-Siphon
  • Media: Steam
  • Primary Material: Brass / Bronze; Stainless Steel
  • Valve Size: 0.50
Boiler Drain Shutoff -- HB-1
from Watts

Brass Hose Bibb Boiler Drains. Series HB-1 Brass Hose Bibb Boiler Drains are for use in commercial and residential hydronic heating systems. It consists of a brass body construction with 1/2 in. I.P. male x 3/4 in. (15 x 20mm) hose thread connection, or 1/2 in. Nom. copper x 3/4 in. (15 x 20mm) hose... [See More]

  • Valve Type: Drain; Back Flow; Anti-Siphon
  • Media: Water; Hot Water; Cold Water  
  • Primary Material: Brass / Bronze
  • Valve Size: 0.50 to 0.75
Relief Valve
from Alfa Laval Inc.

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 tank of liquid, Alfa Laval... [See More]

  • Valve Type: Sanitary; Anti-Siphon
  • Number of Ports: 2
  • Media: Air
Anti-Siphon/Chemigation Check Valve -- Series ASCV
from Ames Fire & Waterworks

Series ASCV Anti-Siphon/Chemigation Check Valves are used to prevent backflow of mixtures of water and chemicals into the water supply. The spring swing silent check valve is extremely efficient. Series ASCV also features a built in vacuum breaker to provide air release and vacuum relief when flow... [See More]

  • Valve Type: Check; Anti-Siphon
  • Media: Water; Hot Water; Cold Water  ; Potable Water
  • Primary Material: Steel
  • Valve Size: 3.00 to 12.00
Air Intake/Discharge Valves for Wastewater Applications
from AVK International A/S

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 and liquids with solid particles. The... [See More]

  • Valve Type: Anti-Siphon
  • Media: Wastewater; Air
  • Primary Material: Ductile Iron; Stainless Steel (optional feature)
  • Valve Size: 3.00 to 8.00
Bushing Valve -- BUD (BU-050x0375)
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]

  • Valve Type: Directional; Metal Seated (optional feature); Lift Check; Back Flow; Check; Poppet; Relief; Anti-Siphon; Bushing Valve
  • Media: 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); Hydraulic; Steam; Liquids; Air; Chemical
  • Primary Material: Brass / Bronze; Stainless Steel; Steel; Exotic Metal; Alloy 20, Alloy C-276, Titanium
  • Valve Size: 0.50
Fill Vent Valves -- FVV
from DMN, Incorporated

The FVV fi ll vent valves or weigh valves can be used in bulk handling systems where product is pneumatically conveyed to a silo or hopper that is process weighed. The FVV is ideally suitable for food and chemical industries. The valve can be used to discarge the product into a silo, while the air... [See More]

  • Valve Type: Diverter; Anti-Siphon
  • Valve Size: 1.97 to 5.91
  • Media: Powder Solids
  • Maximum Pressure: -4.35 to 14.50
Air Release / Vacuum Valves -- Air Release Valves (clean water)
from Flomatic Corporation

Air Release Valves, or Air Relief Valve function to release air pockets that collect at each high point of a full pressured pipeline. An air release valve can open against internal pressure, because the internal lever mechanism multiplies the float force to be greater than the internal pressure. [See More]

  • Valve Type: Anti-Siphon
  • Valve Size: 0.38 to 4.00
  • Media: Air
  • Maximum Pressure: 250.00
EZ-SRV Cartridge Pressure-Relief Valves
from Hansen Technologies Corporation

EZ-SRV valves protect refrigeration pressure vessels and other refrigeration system components from excessive pressure. If an abnormally high pressure occurs, the cartridge pressure-relief valve will open to relieve the excess pressure, preventing potential damage to equipment and injury to... [See More]

  • Valve Type: Anti-Siphon
51 Series -- 51-12-41E
from Ideal Valve Inc.

For extremely precise control of larger flows, very precise repeatability [See More]

  • Valve Type: Control Valve; Cryogenic; Metal Seated; Metering; Mixing; Needle; Sampling; Shut Off; Anti-Siphon
  • Media: Water; Gas; Hydraulic; Air
  • Primary Material: Brass / Bronze
  • Valve Size: 0.38
SS-4R3A
from Swagelok Company

SS High-Pressure Proportional Relief Valve, 1/4 in. Swagelok Tube Fitting [See More]

  • Valve Type: Anti-Siphon
  • Valve Size: 0.25
  • Primary Material: Stainless Steel
  • Number of Ports: 2 to ?
Pressure Relief Module -- TVS20
from WEH Technologies Inc.

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 protects the vacuum pump and its peripherals effectively. If... [See More]

  • Valve Type: Relief; Anti-Siphon
  • Media: Gas; High Purity; Air
  • Primary Material: Aluminum; Brass / Bronze; Stainless Steel
  • Valve Size: 0.47