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Supplier: Newark, An Avnet Company
Description: ANTI-SIPHON INJECTION VALVE
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Supplier: Accuris
Description: Anti-siphon fill valves for water closet tanks
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Supplier: Watts
Description: 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
- Valve Size: 3 to 12 inch
- Valve Type: Check Valves
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Supplier: Ames Fire & Waterworks
Description: 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
- Valve Size: 3 to 12 inch
- Pressure Rating: 150 psi
- Valve Type: Check Valves, Vacuum Relief / Anti-siphon Valves
- Media: Cold Water, Hot Water, Potable Water, Water
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Description: Walchem diaphragm back pressure valves are used to enhance the performance of chemical feed pumps and systems by providing a constant discharge head pressure. These valves also function as an antisyphon valve. The diaphragm is held against the seat by the internal spring. Back
- Valve Size: 0.5 inch
- Pressure Rating: 150 psi
- Controlled Pressure Range: 0 to 150 psi
- Number of Ports/Ways: 2
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Supplier: Cole-Parmer
Description: Valves feature low priming volume, ease of removing air bubbles during priming and operate in any spatial orientation. Valves are manufactured DEHP-and latex-free silicone diaphragms. Materials meet USP CLass VI and ISO 10993 specifications.
- Features: Luer Lock
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Supplier: Cole-Parmer
Description: Valves feature low priming volume, ease of removing air bubbles during priming and operate in any spatial orientation. Valves are manufactured DEHP-and latex-free silicone diaphragms. Materials meet USP CLass VI and ISO 10993 specifications.
- Features: Luer Lock
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Supplier: Cole-Parmer
Description: Valves feature low priming volume, ease of removing air bubbles during priming and operate in any spatial orientation. Valves are manufactured DEHP-and latex-free silicone diaphragms. Materials meet USP CLass VI and ISO 10993 specifications.
- Features: Luer Lock
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Supplier: CSA Group
Description: Preface This is the first edition of ASSE 1002/ASME A112.1002/CSA B125.12, Anti-siphon fill valves for water closet tanks. It supersedes the previous edition of ASSE 1002, published in 2008, and it replaces the requirements for anti-siphon fill valves in CSA
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Supplier: Watts
Description: Series 800M4QT Anti-Siphon Pressure Vacuum Breakers prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of bronze body construction, silicone rubber check valve disc, plastic check valve seat, stainless
- Valve Size: 0.5 to 2 inch
- Valve Type: Vacuum Relief / Anti-siphon Valves
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Supplier: Watts
Description: Series 188A Anti-Siphon Vacuum Breakers for Irrigation Systems prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of brass body construction with bronze internal trim, chemical resistant silicone seat disc and an
- Valve Size: 0.75 to 2 inch
- Valve Type: Vacuum Relief / Anti-siphon Valves
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Supplier: Watts
Description: Series LF008PCQT Lead Free* Anti-Siphon, Spill-Resistant, Vacuum Breakers prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage on indoor point-of-use applications. It consists of a Lead Free* cast copper silicon alloy body
- Valve Size: 0.375 to 1 inch
- Valve Type: Vacuum Relief / Anti-siphon Valves
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Supplier: ASME
Description: This Standard covers anti-siphon fill valves intended to be installed in water closet tanks.
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Supplier: ASME Standards and Certification
Description: This Standard covers anti-siphon fill valves intended to be installed in water closet tanks.
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Supplier: Alfa Laval Inc.
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 hygiene
- 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
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Supplier: Radwell International
Description: RELIEF/BYPASS/BACKPRESSURE/ANTI-SIPHON VALVE, D2 SERIES, SIZE 1/4 IN., SEAL PTFE, CONNECTION NPT THREADED, BODY MATERIAL PVC. FREE 2 YEAR RADWELL WARRANTY
- Valve Type: Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves
- Features: Threaded
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Supplier: Air Compressors Direct
Description: Compatible With Advanced Coatings •Stainless fluid needle and nozzle Maneuverability •Sprays in areas other gun types can not Built-In Air Adjusting Valve •Provides easy adjustment a tool Includes •One-quart anti-drip canister Adjustable •Pattern, material and air settings
- Air Flow Consumption: 6.3 SCFM
- Air Flow / Gas Consumption: 6.3 SCFM
- Spray Technology: Air Spray (Air Atomized)
- Options / Components: Applicator / Gun
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Supplier: DeZURIK, Inc.
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 elbow style body
- Valve Type: Vacuum Relief / Anti-siphon Valves
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Supplier: Hansen Technologies Corporation
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). Their capacities
- Valve Type: Vacuum Relief / Anti-siphon Valves
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Supplier: Radwell International
Description: DIRECT PRESSURE CONTROL VALVES (SEQUENCE, COUNTERBALANCE, RELIEF, UNLOAD VALVES). FREE 2 YEAR RADWELL WARRANTY
- Valve Type: Control Valves, Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves
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Supplier: Radwell International
Description: VALVE INLINE RELIEF 700-4300PSI. FREE 2 YEAR RADWELL WARRANTY
- Valve Type: Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves
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Description: prevent further pressure increase. If a T&P valve is dripping, rather than relieving in volume, it usually indicates either thermal expansion or debris on the seat, which prevents the valve from closing tightly. Yuanben T&P relief valve for installation on unvented water heaters
- Pressure Rating: 145.0377 psi
- Media Temperature: 199.4 to 201.2 F
- Valve Type: Vacuum Relief / Anti-siphon Valves
- Media: Water
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Supplier: Radwell International
Description: 3 PORT RESIDUAL PRESSURE RELIEF VALVE, 0.1-1.0MPA, 15-150PSI, NON-MODULAR. FREE 2 YEAR RADWELL WARRANTY
- Number of Ports/Ways: 3
- Valve Type: Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves
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Supplier: Alfa Laval Inc.
Description: two-way relief valves are mounted on top of an atmospheric tank in hygienic process lines. Product range The Alfa Laval range of relief valves (RV) consists of two models made of either polyethylene or AISI 304/316 stainless steel. The polyethylene model is designed for product flows
- Number of Ports/Ways: 2
- Media: Air
- Valve Type: Sanitary / Hygienic Valves, Vacuum Relief / Anti-siphon Valves
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Supplier: Cole-Parmer
Description: Relief valve
- Valve Type: Vacuum Relief / Anti-siphon Valves
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Supplier: DMN, Incorporated
Description: 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
- Valve Size: 1.968505 to 5.905515 inch
- Pressure Rating: -4.351131 to 14.50377 psi
- Media Temperature: 176 F
- Valve Type: Diverter Valves, Vacuum Relief / Anti-siphon Valves
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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 as both a pressure
- Media: Air
- Valve Type: Control Valves, Directional Valves, Float Valves, Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves
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Supplier: Zurn Industries LLC
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 other similar uses in commercial and
- Valve Type: Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves
- Media: Water
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Supplier: Zurn Industries LLC
Description: The Zurn Wilkins P4000A Pressure Relief Valve prevents pressure buildup in a fire protection system or other closed type system whenever the line pressure exceeds the setting of the spring caused by pumps, elevated piping and thermal expansion. To view all options, see the Specification Sheet
- Valve Type: Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves
- Media: Water
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Supplier: Zurn Industries LLC
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 other similar uses in commercial and
- Valve Type: Pressure Relief Valves, Vacuum Relief / Anti-siphon Valves
- Media: Water
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Supplier: U.S. Plastic Corporation
Description: Valve uses fluid pressure, as opposed to a lever arm and ball, as the force to close the valve. The valve body is made of durable glass-filled nylon 6/6. Internal parts are of ABS plastic, silicone, and stainless steel. When properly installed, the valve will meet
- Valve Type: Float Valves
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Supplier: Plast-O-Matic Valves, Inc.
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
- 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
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Supplier: Clippard
Description: The ES Series features large cross sectional O-rings, minimal leak points, and proven poppet designs. To reduce the possibility of contamination, all mounting hardware is outside of the flow path and no internal parts are threaded during assembly. A compact footprint combined with long life and
- Pressure Rating: 105 psi
- Media Temperature: 32 to 150 F
- Number of Ports/Ways: 3
- Media: Air, Gas
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Supplier: AVK International A/S
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 valves and combination air
- Valve Size: 4 to 12 inch
- Media Temperature: 140 F
- Media: Air
- Features: Bolt Flange
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Featured Products Top
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Redundant Anti-Siphon Capability: Combined use of Relief Valve & Vacuum Breaker An engineering firm recently specified two seemingly unrelated valves to provide redundant siphon prevention in a (read more)
Browse Vacuum Valves Datasheets for Plast-O-Matic Valves, Inc. -
Relief, Backpressure, Bypass & Anti-Siphon Valves Prevent system overpressure, regulate backpressure, provide automatic bypass, and eliminate siphon with high (read more)
Browse Diaphragm Valves Datasheets for Plast-O-Matic Valves, Inc. -
Back Pressure Valves—also known as loading valves or anti-siphon valves—play a crucial role in pump application by controlling the pressure on the discharge side of a pump. Prevent premature component wear, improve safety, enhance efficiency, and support multi-pump systems with this critical system accessory. (read more)
Browse Backflow Preventers Datasheets for Blacoh Fluid Control, Inc.
Conduct Research Top
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Redundant Anti-Siphon
Backpressure Valve and Vacuum Breaker combine to create a foolproof way to prevent unwanted system siphoning
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Redundant Anti-Siphon Diagram
An engineering firm recently specified two seemingly unrelated Plast-O-Matic valves to provide redundant siphon prevention in a ferric chloride piping system.
More Information Top
Indicates content that may require registration and/or purchase.
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CR4 - Thread: Germy Water in Dishwasher
I was asking about experience with the air gap anti siphon valve as described in my link and shown here.
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Commercial-Industrial Cleaning, by Pressure-Washing, Hydro-Blasting and UHP-Jetting
Anti siphon valve Utilized to prevent contamination of drinking water when pump equipment is connected to city supply, equivalent to a check valve Anodized aluminum (Anodic coating) A coating chemically bonded to an alu- minum surface to prevent oxidation .
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CR4 - Thread: Types of Valves
1. anti siphon valve .
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CR4 - Thread: Valve Detail Request
1. anti siphon valve .
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Therapy of the Hydrozephalus
Antisiphon valves .
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Federal Register > Tuesday, November 25, 1997 > [62 FR 62708] Airworthiness Directives; Boeing Model 737-100, -200, -300, -400, and -500 Series Airplanes
It would have required leak tests of other lavatory drain systems; installation of a cap or vacuum break on the flush/fill line; and either periodic replacement of the seal for the cap and tank anti - siphon valve or periodic maintenance of the …
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Cerebrospinal Fluid Disorders
The typical shunt system, consisting of a ventricular catheter, distal tubing, and a one- way anti - siphon valve , is designed to direct CSF from the ventricles to a distal site, such as the peritoneal cavity.
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Federal Register > Thursday, March 25, 2004 > [69 FR 15238] Airworthiness Directives; Boeing Model 737-100, -200, -300, -400, and -500 Series Airplanes
… perform leak checks of other lavatory drain systems; require the installation of a cap or vacuum break on the flush/fill line; and require either a periodic replacement of the seal for the cap and tank anti - siphon valve or periodic maintenance of …
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http://dspace.mit.edu/bitstream/handle/1721.1/44771/300287555-MIT.pdf?sequence=2
There are two anti - siphon valves located in the upper core tank to prevent complete drainage because of a siphon effect in the event of a break in the inlet primary piping.