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: AntiSiphon
  • Media: Air; CompressedAir
  • Primary Material: Polysulfone
  • Valve Size: 0.06 to 0.12
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; AntiSiphon
  • Number of Ports: 2
  • Media: Air
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; BackFlow; Check; Poppet; Relief; AntiSiphon; Bushing Valve
  • Media: Water; HotWater; ColdWater  ; GroundWater; PotableWater; SaltWater (optional feature); Gas; Gasoline or Diesel Fuel (optional feature); HighPurity (optional feature); LP Gas (optional feature); NaturalGas (optional feature); SourGas (optional feature); SpecialtyCorrosive (optional feature); Hydraulic; Steam; Liquids; Air; Chemical
  • Primary Material: BrassBronze; StainlessSteel; Steel; Exotic Metal; Alloy 20, Alloy C-276, Titanium
  • Valve Size: 0.50
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; AntiSiphon
  • Media: Water; HotWater; ColdWater  ; GroundWater; PotableWater; SaltWater; Wastewater; Gas; Gasoline or Diesel Fuel; HighPurity; LP Gas; NaturalGas; SourGas; SpecialtyCorrosive; Hydraulic; Air; Breathable; CompressedAir
  • Primary Material: StainlessSteel
  • Valve Size: 1.00 to 4.00
Vacuum Breakers

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: AntiSiphon
  • Maximum Pressure: 300.00
  • Valve Size: 0.38 to 1.50
  • Number of Ports: 2
Series RVDT In-Line Pressure Relief Valve -- RVDT025T-CP
from Plast-O-Matic Valves, Inc.

FEATURES: One valve design functions as a relief valve, by-pass valve, pump backpressure valve, anti-siphon valve, and backpressure regulator. Relief: protects systems and equipment from over-pressure/pressure surges. By-Pass: prevents pumps from "dead heading". Back-Pressure: maintains necessary... [See More]

  • Valve Type: Relief; AntiSiphon
  • Media: Water; Ultra-Pure Water, Conc. Etchants
  • Primary Material: CPVC
  • Valve Size: 0.25
from RS Components, Ltd.

Relief Valves [See More]

  • Valve Type: AntiSiphon
  • Maximum Pressure: 72.52
  • Primary Material: BrassBronze
  • Connection Description: Threaded; BSP Female 1/2in.
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; BackFlow; AntiSiphon
  • Media: Water; HotWater; ColdWater  
  • Primary Material: BrassBronze
  • Valve Size: 0.50 to 0.75
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; AntiSiphon
  • Media: Gas; HighPurity; Air
  • Primary Material: Aluminum; BrassBronze; StainlessSteel
  • Valve Size: 0.47
APOLLO® 14-600 Series -- 14-605
from Apollo Valves

Teflon coated discs & elastomer soft seating provide dependant operation [See More]

  • Valve Type: AntiSiphon
  • Media: PowderSolids; Bulk Handling & Bulk Hauling; Air; CompressedAir
  • Primary Material: BrassBronze
  • Valve Size: 2.00
APCO -- Air Vacuum Valve With Throttling Device 140DAT
from DeZURIK, APCO, HILTON and Willamette

Air Valves For Vertical Turbine Pumps with Water Diffuser are essential to vent air from the pump column at the point of discharge from the pump. Located between the pump discharge and the pump check valve. Each valve is equipped with a water diffuser which performs like the water bubbler on a water... [See More]

  • Valve Type: Relief; AntiSiphon
  • Media: Water; Air
  • Primary Material: CastIron
  • Valve Size: 0.50 to 3.00
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: AntiSiphon
51 Series -- 51-12-41E
from Ideal Valve Inc.

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

  • Valve Type: ControlValve; Cryogenic; Metal Seated; Metering; Mixing; Needle; Sampling; ShutOff; AntiSiphon
  • Media: Water; Gas; Hydraulic; Air
  • Primary Material: BrassBronze
  • Valve Size: 0.38
from LDI Industries, Inc.

Gravity feed, gage glass sight, Buna N seals, integral knurl wheel [See More]

  • Valve Type: Metering; Needle; AntiSiphon
  • Valve Size: 0.09
  • Primary Material: BrassBronze
  • Maximum Pressure: 125.00
All Metal Series -- 314000
from MDC Vacuum Products LLC

Replaceable OFE copper poppet gasket [See More]

  • Valve Type: Metal Seated; Angle; AntiSiphon
  • Media: Gas; Air
  • Primary Material: StainlessSteel
  • Valve Size: 0.75
from Swagelok Company

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

  • Valve Type: AntiSiphon
  • Valve Size: 0.25
  • Primary Material: StainlessSteel
  • Number of Ports: 2 to ?