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Relief Valves

Welcome to the premier industrial resource for Relief Valves. We supply a broad range of relief valves including pressure relief valves and safety relief valves. Use this comprehensive vertical directory to find vacuum relief valves, air, air pressure, hydraulic and hydraulic pressure relief valves. Also includes liquid, thermal, water heater, hydrostatic and steam safety fittings.
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Hydraulic Relief Valves
Safety Relief Valves
Automatic Relief Valves
Cryogenic Relief Valves
Emergency Relief Valves
Chemical Relief Valves
Atmospheric Relief Valves
Relief Valve Springs
Relief Valve Test Equipment
Remanufactured Safety Relief Valves
Safety Relief Valve Springs
Safety Relief Valve Parts
Pressure or Vacuum Relief Valves
Stainless Steel Safety Relief Valves
Process Pressure Safety Relief Valves

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Relief Valves Results (1 to 25 out of 1,299)
Serving: All States/Provinces
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Watts Water Technologies, Inc. - North Andover, MA
Manufacturer, Custom Manufacturer
http://www.watts.com/pro/_products_sub.asp?catId=64&parCat=85
Company Profile: ISO 9001 certified manufacturer of pump control relief valves. Specifications of pump control relief valves include maximum working pressure of 400 psi MWP, 250 psi MWP & 400 psi MWP. Features include main valve, PV20C relief control, fixed orifice, pressure gauge, check valve & flow-clean...
Brand Names: Watts
Valve Check, Inc. - Vadnais Heights, MN
Manufacturer, Custom Manufacturer, Service Company
http://www.valvecheckinc.com/reliefvalves.cfm
Company Profile: Designer & manufacturer of self cleaning, quick opening, & positive sealing check & relief valve products. Relief valve products offered include those made of aluminum, brass, steel & stainless steel. Seal compounds available for relief valve products include VitonŽ, neoprene, Buna, TeflonŽ,...
F.H. Gaskins Co., Inc. - Norfolk, VA
Distributor, Manufacturer, Custom Manufacturer, Service Company
http://www.safetyvalve.com/products.html#Safety
Company Profile: Distributor of safety, vacuum & pressure relief valves. Types include spring & pilot operated valves. Specifications of pressure relief valves include sizes ranging from 1/2 in. MPT to 12 in. flanged & pressures ranging from 1/2 psi to 8000 psi. Materials include bronze, brass, iron, steel,...
Brand Names: Consolidated
Relief Valves Product Catalog:
Spring Operated Pressure Relief Valves
Pilot Operated Pressure Relief Valves
Quick Comparison Chart
More Info
Generant - Butler, NJ
Distributor, Manufacturer, Custom Manufacturer
http://www.generant.com/relief_valves.htm
Company Profile: ISO 9001:2000 certified custom manufacturer of relief valves in various types including thermal, safety, high pressure, cryogenic, vent & liquid cylinder pressure relief valves. RoHs compliant.
Brand Names: Bi-Lok
Ausco, Inc. - Port Washington, NY
Manufacturer, Custom Manufacturer
http://ausco.thomasnet.com/item/relief-valves/dampened-relief-valves/1-1010...
Company Profile: ISO 9001:2000 & AS 9100 certified manufacturer of standard & custom relief valves including dampened relief valves. Valves have mounting type of cartridge, line, manifold or custom, fluid type of air, hydraulic, fuel, heat transfer fluids & nitrogen liquid propellants. Features include fluid...
Relief Valves Product Catalog:
Relief Valves
Combination Valves
The Lee Co. - Westbrook, CT
Manufacturer, Custom Manufacturer
http://www.theleeco.com/VALVWEB2.NSF/Pressure%20Products!OpenView
Company Profile: Manufacturer of fluid-control components for applications including hydraulic & pneumatic systems in commercial & military aircraft, spacecraft, missiles, naval vessels, machine tools, down-hole oil tools, power generation equipment & race cars. Pressure relief valve products available include high...
Farris Valve Parts - Valley Stream, NY
Distributor, Service Company
Company Profile: Supplier of safety & relief valves. Relief valve products include those for air, steam & water in sizes from 1 by 2 inches to 20 by 24 in. with features such as operating pressures from 15 to 6000 PSI, temperature range of -450 degrees F to +1500 degrees F & steel body & bonnet with stainless steel...
Brand Names: Deste, Everlasting Valve, Farris, Farris Engineering, Kunkle, Lonergan, Mipco, Teledyne Farris,...
Gadren Machine Co. - Mount Ephraim, NJ
Manufacturer
http://gadren.thomasnet.com/viewitems/vacuum-relief-valves-2/vacuum-relief-...
Company Profile: Custom manufacturer of vacuum relief valves for low pressure tank, stem vessels & vacuum equipment applications. Specifications of valve relief valves include 3/8 in. to 3 in. valve size & 5 scfm to 150 scfm flow at 22 in/hg. Vacuum relief valves are made from solid bar stock in brass or type 316...
Brand Names: Gadren Machine
Relief Valves Product Catalog:
Vacuum Relief Valves
Kepner Products Co. - Villa Park, IL
Manufacturer, Custom Manufacturer
http://www.kepner.com/product.htm
Company Profile: Custom manufacturer of relief valves including adjustable inline & cartridge relief valves made from stainless steel. Specifications of valves include 1/4 in. to 1/2 in. port size, minus 184 degrees C to plus 232 degrees C temperature, 50 psi to 2,000 psi crack pressure, flow rate up to 10 gpm &...
Brand Names: Kepner
Relief Valves CAD Models:
Input Part Number If Known
Relief Check Valves (crack 5-150 PSI)
Relief Valves (relief 50-2000 PSI)
Plast-O-Matic Valves, Inc. - Cedar Grove, NJ
Manufacturer, Custom Manufacturer
http://www.plastomatic.com/relief-bypass-backpressure.html
Company Profile: Manufacturer of standard & custom relief, pressure, back pressure or vacuum valves in angle & in-line designs for corrosive chemicals, water & ultra-pure liquids. Available in sizes ranging from 1/2 in. to 2 in. Features include no wetted metals & stainless steel external fasteners. Materials...
Brand Names: True Blue
Aquatrol/Marsh - Elburn, IL
Manufacturer
http://www.aquatrol.com
Company Profile: Manufacturer of ASME code safety & relief valves. Sizes ranging from 1/4 in. to 3 in. for steam, air, gas & liquid applications. Steam specialties division manufactures steam traps, radiator valves, FT traps & air vents. Features include adjustable tuned blow down, precision lapped metal to metal...
Autoclave Engineers Fluid - Erie, PA
Manufacturer, Custom Manufacturer
http://autoclave.thomasnet.com/category/relief-valves?
Company Profile: ISO 9001:2000 certified custom manufacturer of metal & soft seat relief valves for pressure gas systems, cryogenic systems & petrochemical applications. Specifications of relief valves include 3/4 in. NPT outlet connection, 0.062 in. to 0.312 in. orifice dia., 1500 psi to 75000 psi setting pressure...
Relief Valves Product Catalog with CAD:
Relief Valves
Swagelok Company - Solon, OH
Distributor, Manufacturer, Custom Manufacturer
http://www.swagelok.com/valves/index.htm
Company Profile: ISO 9001:2000 & ISO 14001 certified custom manufacturer of pressure or vacuum relief valves. Features of relief valves include 6 mm to 12.5 mm size, Buna NŽ & ethylene propylene seals, ISO tapered threads & tube fittings. Valves are available in NPT configurations. ASME approved & METI/KHK, ANSI,...
Brand Names: Kenmac, Swagelok, Goop, Snoop, Jensen, IGC, AXESS, VCO, VCR, SWAK, Micro-Fit
Relief Valves CAD Models:
Relief Valves
Georg Fischer Piping Systems - Tustin, CA
Manufacturer
http://www.us.piping.georgefischer.com/index.cfm?CFED1D82D0B9403F8D5CB36AF2...
Company Profile: Manufacturer of pressure relief valves. Sizes range from 3/8 in. to 4 in. Relief valves available in materials including PVC, PP & PVDF. Pressure relief valves helps in keeping system pressures constant, balance out pressure pulsation & reduces pressure peaks in process systems.
Relief Valves Product Catalog:
EPDM
PVC
PVC
More Info
Hy-Lok USA - Mobile, AL
Distributor, Manufacturer, Custom Manufacturer, Service Company
http://www.hylokusa.com/Products/Valves/CheckReliefValves/tabid/59/Default....
Company Profile: ISO 9001:2004 certified custom manufacturer of relief valves made from 316 stainless steel. Types of relief valves include low & high pressure valves. Specifications of relief valves include 0.019 in. orifice, 3000 psi to 6000 psi pressure, 10 psi to 6000 psi cracking pressure & minus 10 degrees F...
Relief Valves Product Catalog with CAD:
Check and Relief Valves
T & A Valve Industries, Inc. - Brooklyn, NY
Distributor, Custom Manufacturer, Manufacturers' Rep
http://www.tavalve.net/valve_products.html
Company Profile: Distributor of relief valves including automatic, chemical, hydraulic, pressure or vacuum & repaired or exchanged valves. Types of valves include ball valves, check valves, gate valves, globe valves & control valves in materials such as stainless steel, carbon steel & cast iron. Valve automation...
Brand Names: AES, ASCO, Adams, Aloyco, Apollo, Armstrong, Babbitt, Bonney Forge, Bray, Centerline, Crane, DSI,...
Haskel International - Burbank, CA
Manufacturer, Custom Manufacturer
http://www.haskel.co.uk/corp/details/0,,CLI1_DIV118_ETI9856,00.html
Company Profile: ISO 9001 certified custom manufacturer & distributor of regulating relief valves including pressure or vacuum valves for chemical applications. Specifications of valves include 30 psi to 60,000 psi pressure range, 1/4 in. to 3/8 in. pressure & outlet ports & 0.070 in to 0.296 in. orifice dia....
Brand Names: Haskel, BuTech
Industrial Specialties Mfg, Inc. - Englewood, CO
Manufacturer, Custom Manufacturer
http://industrialspec.thomasnet.com/category/relief-valve?
Company Profile: Manufacturer & distributor of miniature valves including needle & relief valves. Shuttle valves, plastic stop cocks, flow control valves, plastic ball valves, brass ball valves, air vacuum valves, relief valves, shut off couplers & shut off valves are also available. Needle valves are available in...
Relief Valves Product Catalog:
Relief Valves
Garden Hose Shut-Offs (PBUGH)
Relief Valve
Top Line Process Equipment Co. - Bradford, PA
Distributor, Manufacturer, Custom Manufacturer
http://www.abccorporate.com/index.php?src=directory&view=topline&submenu=Sa...
Company Profile: Manufacturer of relief, pressure or vacuum valves including air relief valves. Features 1 ferrule, 1 housing with plastic ball & 1 vent pipe all connected using 2 standard heavy duty clamps. Prevents air entering into the line or container under negative pressure.
Brand Names: Top-Flo
Snap-tite, Inc., Quick Disconnect & Valve Div. - Union City, PA
Manufacturer
http://www.snap-titequickdisconnects.com
Company Profile: Directional control valves to 10,000 psi, manual & solenoid operated, as well as flow control, relief & check valves.
Aqua Environment Co., Inc. - Stinson Beach, CA
Manufacturer
http://www.aquaenvironment.com/partfunc.html
Company Profile: Manufacturer of high pressure control, reducing, regulating & relief valves made from bronze, anodized aluminum & VitonŽ. Specifications of relief valves include 300 psi to 6,000 psi set pressures, 0.78 in. dia. equivalent orifices, 1/4 in. male NPT inlet, 7/8 in. hex & 2.1 in. lengths & minus 40...
Circle Valve Technologies, Inc. - Harleysville, PA
Distributor, Custom Manufacturer
http://circlevalve.thomasnet.com/category/relief-valves?
Company Profile: Distributor of relief valves. Zero leak, positive resealing, wide range of cracking pressures, high flow capacity, aluminum, stainless steel, brass, steel, male/female pipe & tube connections. Seal materials include Buna N, Neoprene, Viton, EPR & Teflon. Market served include industrial gas,...
Brand Names: Aerodyne, Atkomatic, Atkomatic Valve Co., CPC/Cryolab, Circle Seal, Contromatics, Duravalve,...
Relief Valves Product Catalog:
Relief Valves
CYL-2 Series Cylinder Regulators
BP-3 Series Back Pressure Regulators
Associated Steam Specialty Co. - Multiple Locations
Distributor, Custom Manufacturer, Manufacturers' Rep, Service Company
Company Profile: Distributor of relief valves.: Lonergan, Kunkle
Brand Names: Lonergan
Thorco Holdings, LLC - Multiple Locations
Distributor, Manufacturers' Rep, Service Company
http://www.thorcoinc.com/relief-valves.html
Company Profile: Stocking distributor of spring loaded relief valves including flanged, threaded & pilot operated relief valves. Relief valves are available in 1/2 in. x 1 in. to 20 in. x 24 in. dimensions with 15 psig to 6,500 psig pressure & minus 450 degrees F to plus 1,500 degrees F operating temperature....
Modern Fluid Power, Inc. - Blanchester, OH
Distributor, Custom Manufacturer, Service Company
http://www.modernfluidpowerinc.com/products.html
Company Profile: Distributor of filters, valves, motors, strainers, gages, pumps, air & hydraulic cylinders, level & flow switches, actuators & magnetic sensors.
Brand Names: Aquatrol, Fulflo, Generant, Specialty Manufacturing, Conbraco
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