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Supplier: U.S. Plastic Corporation
Description: 1" PVC Vacuum Breaker Valve
- Port Size / OD: 1 inch
- Features: Specialty / Other
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Supplier: Process Technology
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
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Supplier: DFT Inc.
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
- Valve Size: 1 to 4 inch
- Pressure Rating: 2,500 psi
- Media Temperature: -325 to 700 F
- Flow (Cv): 5.8 to 90
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Supplier: Flomatic Valves
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
- Valve Size: 1 inch
- Pressure Rating: 400 psi
- Media Temperature: 180 F
- Features: ANSI, Ball / Disk Check Valves, NSF
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Supplier: Accuris
Description: Valves with Atmospheric Vacuum Breakers
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Supplier: Accuris
Description: Vacuum Breakers and Check Valves
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Supplier: Triangle Fluid Controls Ltd.
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
- Valve Type: Check Valves
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Supplier: KADANT
Description: Johnson vacuum breakers have hex heads and standard NPT pipe threads, and are simply threaded into pipe fittings or available tank openings. Outlets can be threaded if desired. Rigorously Tested In exhaustive endurance tests Kadant Johnson vacuum breakers have been
- Valve Size: 0.375 to 1.5 inch
- Number of Ports/Ways: 2
- Pressure Rating: 300 psi
- Media Temperature: 365 F
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Supplier: Flomatic Valves
Description: ATMOSPHERIC VACUUM BREAKER - Designed to prevent back-siphonage. Not for potable water. Complies with ASSE 1001 For reference use only. Please check Flomatic's website for the latest valve product specifications.
- Valve Size: 0.5 to 1 inch
- Pressure Rating: 125 psi
- Media Temperature: 180 F
- Valve Type: Back Flow Preventer Assembly, Vacuum Relief / Anti-siphon Valves
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Supplier: Spirax-Sarco
Description: The Spirax Sarco vacuum breaker range will protect your plant and process equipment against vacuum, and at the same time allow condensate to drain effectively from pipework and storage vessels.
- Valve Size: 0.125 to 0.5 inch
- Pressure Rating: 348.09048 psi
- Media Temperature: 500 F
- Number of Ports/Ways: 2
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Supplier: Flomatic Valves
Description: HOSE CONNECTION VACUUM BREAKERS - Designed to prevent back-siphonage or backflow of water, with vandal resistant features. Complies with ASSE 1011 For reference use only. Please check Flomatic's website for the latest valve product specifications.
- Valve Size: 0.75 inch
- Pressure Rating: 125 psi
- Media Temperature: 180 F
- Valve Type: Back Flow Preventer Assembly, Vacuum Relief / Anti-siphon Valves
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Supplier: Plast-O-Matic Valves, Inc.
Description: 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″
- Port Size / OD: 2 inch
- Type: Diaphragm Valve
- Vacuum / Pressure Range: Elevated Pressures (> 760 torr)
- Features: Other
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Supplier: Watts
Description: Series 8 Hose Connection Vacuum Breakers permit the attachment of portable hoses to hose thread faucets and prevent the reverse flow of polluted water into the potable water supply due to backsiphonage. It consists of a brass body construction, stainless steel working parts, and a
- Valve Size: 0.75 inch
- Primary Material: Brass / Bronze
- Valve Type: Vacuum Relief / Anti-siphon Valves
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Supplier: Plast-O-Matic Valves, Inc.
Description: 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″
- Valve Size: 0.5 to 1.5 inch
- Number of Ports/Ways: 2
- Pressure Rating: 10 to 100 psi
- Primary Material: CPVC, PVC, PVDF, Polypropylene (PP)
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Supplier: FEBCO
Description: Series 765 Pressure Vacuum Breakers are designed to be installed to provide protection against back siphonage of toxic or non-toxic liquids. They feature a durable bronze body and a check valve and air opening port in one assembly. Maximum Working Pressure: 150psi (10.3 bar).
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Supplier: Watts
Description: This 1/2 inch lead free atmospheric vacuum breaker is utilized to prevent the backflow of water into the potable water system in order to prevent contamination of the water supply. It consists of lead free brass construction.
- Valve Type: Vacuum Relief / Anti-siphon Valves
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Supplier: Watts
Description: Series 912HP High Pressure Hose Drop Dual Check Vacuum Breakers prevent the reverse flow of polluted water from processing and rendering areas from entering into the potable water supply. It consists of a brass body construction, stainless steel internal parts, dual check
- Valve Size: 0.75 to 1 inch
- Valve Type: Check Valves, Vacuum Relief / Anti-siphon Valves
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Supplier: Watts
Description: Series 8C Hose Connection Vacuum Breakers permit the attachment of portable hoses to hose thread faucets and prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of a brass body construction with chrome finish,
- Valve Size: 0.75 inch
- Primary Material: Brass / Bronze
- Valve Type: Vacuum Relief / Anti-siphon Valves
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Supplier: FEBCO
Description: Series LF767FR Lead Free* Freeze-Resistant Pressure Vacuum Breakers are designed to prevent backsiphonage of contaminated water under continuous pressure into the potable water supply. Its superior design protects the valve body and internal components during sudden freeze
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Supplier: Zurn Industries LLC
Description: sink faucet with elevated vacuum breaker Heavy-duty quarter-turn ceramic disc cartridge Four arm vandal-resistant color coded handles 3-year warranty
- Applications: Commercial
- Features: Vacuum Breaker
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Supplier: Zurn Industries LLC
Description: Zurn 3/4" X 21" vacuum breaker with flush tube kit helps prevent back siphonage and backflow into potable water. Features And Benefits For use AquaVantage® and Aquaflush® Flush Valves Polished chrome finish
- Application: Water
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Supplier: Zurn Industries LLC
Description: Zurn 1-1/2" X 21" vacuum breaker with flush tube and nut helps prevent back siphonage and backflow into potable water. Features And Benefits For use AquaVantage® and Aquaflush® Flush Valves Polished chrome finish
- Application: Water
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Supplier: Zurn Industries LLC
Description: Zurn 1-1/2" X 24" vacuum breaker with flush tube and nut helps prevent back siphonage and backflow into potable water. Features And Benefits For use AquaVantage® and Aquaflush® Flush Valves Polished chrome finish
- Application: Water
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Supplier: VAC-CON, Inc.
Description: Roots PD Blower (1021DVJ or RASJ1024) Transfer case driven 3/16" Corten steel 16 cubic yard debris tank with ladder Twin cyclone baghouses with 13 cartridge filters each (total 26) Automatic vacuum breaker Hydraulic rear door locks and door opener 8" butterfly valve at bottom of
- Number of Inlets: 1 #
- Technology: Centrifugal
- Features: Continuous Duty
- Media Vacuumed: Dry, Wet
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Supplier: Terra Universal, Inc.
Description: 2" (51 mm) and nearly 30" Hg. A clear, polycarbonate safety shield protects door glass from damage. Vacuum line fittings accept .25" (6 mm) I.D. vacuum tubing. All vacuum ovens have a side-mounted control panel, with all controls in a single convenient location. The control
- Temperature Range: 428 F
- Capacity: 0.7 cubic feet
- Application: Aging, Annealing, Baking, Curing, Drying, Heat Treating, Preheating
- External: Bench / Cabinet
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Supplier: Radwell International
Description: VALVE, 3/4IN, STAINLESS STEEL BODY, VACUUM BREAKER. FREE 2 YEAR RADWELL WARRANTY
- Primary Material: Stainless Steel, Steel
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Supplier: Check-All Valve Mfg. Co.
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,
- Valve Size: 1 inch
- Pressure Rating: 3,000 psi
- Flow (Cv): 6.5
- Number of Ports/Ways: 2
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Supplier: Radwell International
Description: PIPE FITTING, 1-INCH, 100 MAX PSI, PVC, NORMALLY CLOSED DESIGN VACUUM BREAKER VALVE, VITON SEAL, NPT END CONNECTIONS. FREE 2 YEAR RADWELL WARRANTY
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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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Supplier: Radwell International
Description: PRESSURE VACUUM BREAKER SEAT KIT, LEAD FREE. FREE 2 YEAR RADWELL WARRANTY
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Supplier: RS Components, Ltd.
Description: VB21 Vacuum Breaker
- Pressure Rating: 304.57917 psi
- Media: Air
- Features: Other
- Primary Material: Stainless Steel
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Supplier: CSA Group
Description: surface; a combination air release/vacuum relief valve located upstream of the check valve; a low pressure drain valve located upstream of the check valve; an inspection port located so as to permit visual and manual inspection of the valve working
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Supplier: Mueller Company
Description: Below-grade foundation for added stability, with a 2” nylon glass reinforced valve and higher profile for flood prone areas. Directed discharge with choice of air-gap, RPZ, vacuum breaker or double check valve and optional dechlorination. Port for optional portable sample
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Supplier: Honeywell International, Inc.
Description: DUAL CHECK INTERMEDIATE VACUUM BREAKER TYPE 1/2 INCH NOMINAL SIZE ASSE 1012, CSA APPLICABLE STANDARD HEATING SYSTEM, HOT/COLD WATER SERVICE APPLICATION 250 DEG F TEMPERATURE RATING INTERMEDIATE ATMOSPHERIC VENT INCLUSIONS/FEATURES BRONZE BODY MATERIAL 175 PSI PRESSURE RATING FEMALE
- Valve Size: 0.5 inch
- Pressure Rating: 175 psi
- Media Temperature: 250 F
- Primary Material: Brass / Bronze
Find Suppliers by Category Top
Featured Products Top
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equipment is shut down or inlet steam is reduced by modulating control valves. In piping systems, DFT® Vacuum Breakers are used to break siphons, prevent pipe collapse during transient pressure drops, and provide the addition of air on the downstream side of check valves to dampen water hammer (read more)
Browse Steam Valves Datasheets for DFT Inc. -
The vacuum breaker is unique among venting valves due to its normally-closed design: It stays sealed bubble-tight at atmospheric pressure or higher, but opens to “break” and allow air to enter a system when a vacuum is created. The most common uses for this automatic safeguard (read more)
Browse Plastic Valves Datasheets for Plast-O-Matic Valves, Inc. -
of professionals ready to serve and support. DFT offers many different types of valves, including sanitary valves, vacuum breaker valves, restrictor valves, compressor valves, wafer, threaded, and flanged valves, socket weld valves, soft seat valves, in-line valves, silent check (read more)
Browse Check Valves Datasheets for DFT Inc. -
The ROSS Model VM-80 VersaMix combines a three-wing anchor agitator and high-speed disperser for mixing, blending, dispersing, heating, cooling, and vacuum processing of liquids, slurries, gels, creams, and (read more)
Browse Industrial Mixers Datasheets for Charles Ross & Son Company -
, vacuum breaker valves, restrictor valves, compressor valves, wafer, threaded, and flanged valves, socket weld valves, soft seat valves, in-line valves, straight-thru design valves, silent check valves, spring assisted valves, horizontal, and vertical valves. DFT® is available to (read more)
Browse Check Valves Datasheets for DFT Inc. -
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. -
control valve problems. DFT® offers sanitary valves, non-slamming, and non-return valves, chemical valves, vacuum breaker valves, restrictor valves, compressor valves, wafer, threaded, and flanged valves, socket weld valves, soft seat valves, in-line valves, straight-thru design valves (read more)
Browse Check Valves Datasheets for DFT Inc. -
. DFT® offers sanitary valves, non-slamming, and non-return valves, chemical valves, vacuum breaker valves, restrictor valves, compressor valves, wafer, threaded, and flanged valves, socket weld valves, soft seat valves, in-line valves, straight-thru design valves, silent check valves, spring assisted valves, horizontal, and vertical valves. For more information contact us at www.dft-valves.com or 800-206-4013. (read more)
Browse Check Valves Datasheets for DFT Inc. -
VACUUM BREAKER®: 1” TO 4”, 450 to 6000 CWP BUTT WELD CHECK VALVES EXCALIBUR®: (read more)
Browse Check Valves Datasheets for DFT Inc. -
Check DFT Model SCV® • DFT Model SCV-R® DFT Model Vacuum Breaker (read more)
Browse Steam Valves Datasheets for DFT Inc.
Conduct Research Top
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Introduction to Plastic Vacuum Venting Valves, also known as Vacuum Breakers
Compact, Self-Closing Vacuum Breakers Protect Tanks and Piping Systems Against Hazards, Damage and Financial Losses Caused by Vacuum
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Section 221119: Domestic Water Piping Specialties Spec
Section includes Vacuum breakers, backflow preventers, water pressure-reducing valves, balancing valves, temperature-actuated, water mixing valves, etc.
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Redundant Anti-Siphon
Backpressure Valve and Vacuum Breaker combine to create a foolproof way to prevent unwanted system siphoning