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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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Home > Supplier - Product/Service Results: Relief Valves

Narrow Your Search Search Within Results Locations Served Alabama Alaska Alberta Arizona Arkansas [+] More British Columbia California - North California - South Colorado Connecticut Delaware District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Manitoba Maryland Massachusetts - East Massachusetts - West Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Brunswick New Hampshire New Jersey - North New Jersey - South New Mexico New York - Metro New York - Upstate North Carolina North Dakota Ohio - North Ohio - South Oklahoma Ontario Oregon Pennsylvania - East Pennsylvania - West Puerto Rico Quebec Rhode Island Saskatchewan South Carolina South Dakota Tennessee Texas - North Texas - South Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming [-] Less Search Within # Miles Show companies within miles of: Company Type Manufacturers Custom Manufacturers Distributors Service Companies Manufacturers' Reps Certifications AS9100 AS9100B ISO 13485 ISO 14001 ISO 14001:2004 [+] More ISO 9000 ISO 9000:2000 ISO 9000:2001 ISO 9001 ISO 9001:1994 ISO 9001:2000 ISO 9001:2001 ISO 9001:2002 ISO 9001:2004 ISO 9001:2008 ISO 9002 ISO 9003 ISO/IEC 17025:2005 ISO/TS 16949 ISO/TS 16949:2002 Lean Manufacturing Nadcap QS 9000 RoHS Compliant SBA(8a) Six Sigma Any Certification [-] Less Ownership Minority-Owned Woman-Owned Veteran-Owned Product Detail Product Catalogs Product Catalogs with CAD CAD Drawings News & Press Releases Expand Your Search Related Categories 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 More... Provide Feedback

Relief Valves Suppliers Displaying 1 to 25 out of 1,374 results to F.H. Gaskins Co., Inc. - Norfolk, VA Distributor, Custom Manufacturer, Service Company 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, stainless steel & exotic alloys. Brand Names: Consolidated www.safetyvalve.com/products.html#Safety Relief Valves Product Catalog: Spring Operated Pressure Relief Valves Pilot Operated Pressure Relief Valves Quick Comparison Chart More Info Cyrus Shank Company - Cicero, IL Manufacturer Manufacturer of valves including relief valves. Types of relief valves include single, liquid, safety, low, lowest & medium capacity & piping relief valves. Relief valves are available in 1/2 in. x 3/4 in. FNPT to 1 in. x 1 1/2 in. FNPT, 1/2 in. MNPT x 3/4 in. FNPT to 1 1/4 in. MNPT x 1 1/2 in. FNPT & 1 1/4 in. FNPT x 2 in. FNPT x 3 in. MNPT & 1 1/2 in. FNPT x 2 in. FNPT x 3 in. MNPT sizes. Same day shipment. Stock items are also available. www.cyrusshank.com/catindex.htm The Lee Co. - Westbrook, CT Manufacturer, Custom Manufacturer, Manufacturers' Rep 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 or low flow rate models featuring high capacity miniature inserts, cracking pressures from 20 to 5400 PSID, no elastomers & up to 5000 PSI operational pressure tolerances. Other valve products offered include check, shuttle & piloting solenoid types. www.theleeco.com/VALVWEB2.NSF/Pressure%20Pr... Gadren Machine Co. - Mount Ephraim, NJ Manufacturer Manufacturer of standard & custom vacuum pressure relief valves made from brass & 316 stainless steel for vacuum breakers & steam vessels. Vacuum relief valves are available in 1/4 in. to 3 in. sizes with 5 scfm to 150 scfm flow at 22 in./Hg. Stock items are also available. Meets MIL-I-45208A Spec. gadren.thomasnet.com/viewitems/vacuum-relie... Relief Valves Product Catalog: Vacuum Relief Valves Plast-O-Matic Valves, Inc. - Cedar Grove, NJ Manufacturer, Custom Manufacturer 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 include PVC, natural polypro, PTFE & Kynar® PVDF. Services include product innovation, engineering, precision manufacturing, pressure, flow & corrosion-resistant plastic piping, quality testing & technical assistance. RoHS compliant. Brand Names: True Blue www.plastomatic.com/relief-bypass-backpress... Farris Valve Parts - Valley Stream, NY Distributor, Service Company 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 trim. Other relief valve products include those with stainless steel or brass bodies, temperature ranges from -20 degrees F to +750 degrees F & -450 degrees F to +400 degrees F & effective orifice areas of 0.089 square in. Brand Names: Deste, Everlasting Valve, Farris, Flowserve, K-MASTER, Kunkle, Lonergan, Spence, Teledyne Farris,... www.boighill.com Kepner Products Co. - Villa Park, IL Manufacturer, Custom Manufacturer 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 & operating pressure up to 3,000 psi. Features include zero leak (bubble-tight) sealing, O-ring seals & poppet stop inside valve body. Brand Names: Kepner www.kepner.com/product.htm Relief Valves CAD Models: Input Part Number If Known Relief Check Valves (crack 5-150 PSI) Relief Valves (relief 50-2000 PSI) Generant - Butler, NJ Distributor, Manufacturer, Custom Manufacturer 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 generant.com/relief-valve.shtml DK-LOK U.S.A. - Mobile, AL Manufacturer ISO 9001:2000 & ISO 14001:2004 certified. Manufacturer of relief valves made from 316 stainless steel. Specifications include pressure up to 6,000 psig, temperature up to 204 degrees C, 50 psig to 6,000 psig cracking pressure, 1/4 in. to 1/2 in. OD & 1/4 in. to 1/2 in. pipe thread size. Meets OHSMS 18001, ASME & API standards. Brand Names: D-Pro www.dklokusa.com/valves/valve-v63v66.php Autoclave Engineers - Fluid Components - Erie, PA Manufacturer, Custom Manufacturer 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 at 100 degrees F temperature & 500 psi maximum back pressure at 100 degrees F temperature. Valves are capable of handling air, gases, steam, vapor & liquids. autoclave.thomasnet.com/category/relief-val... Relief Valves Product Catalog with CAD: RVP Metal Seat Relief Valves RVS Soft Seat Relief Valves Aquatrol/Marsh - Elburn, IL Manufacturer 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 seating, stainless steel springs, rugged construction, closed seal hex cap or lever, inlet & outlet options. www.aquatrol.com M & M Control - Antioch, IL Distributor, Manufacturer, Custom Manufacturer, Service Company Distributor of various valve types for some of the industry's most prominent manufacturers. Products include pressure regulating & back pressure valves for steam, air/gas, liquid & cryogenic applications. These valves range in size from 1/8" to 2" for threaded NPT connections & up through 6 inches for flanged configurations. They also feature a wide selection of pressure reductions with initial inlets of 720 PSI & reductions from 1 to 400 PSI as well as temperature capacities between cryogenic up through 800º F. Other offered control valve types include diaphragm, temperature, back pressure, safety & relief valves. Brand Names: Apollo, Aquatrol, Aquatrol, Armstrong, Ashcroft, Barber Coleman, Barber-Colman, CLA-VAL, Cash Acme,... www.mmcontrol.com/valves.php Boig & Hill, Inc. - Valley Stream, NY Distributor, Custom Manufacturer, Manufacturers' Rep Distributor of Farris relief valves including Watson McDaniel back pressure relief valves. Specifications of valves include size ranging from 1/2 in. to 3 in., 250 psig to 300 psig maximum inlet pressure & weight ranging from 1.2 lbs. to 45 lbs. Features of Watson McDaniel valves include bronze & cast iron body & flanged & NPT end connections. Brand Names: Access, Deste, Everlasting, Farris, Flowserve, K-MASTER, Kunkle, Lonergan, Spence, Teledyne Farris,... www.boighill.com/watson.html Pacific Industrial Service Co. - St Helens, OR Distributor, Service Company Distributor of pressure control, reducing, regulating & relief valves. Types include backpressure valves, flanged & threaded relief valves, vapor valves, pilot operated valves & high pressure valves. Serving a variety of industries such as pulp & paper mills, power generation plants, chemical plants, oil refineries, industrial processing plants, hi-tech industries, waste treatment plants, shipyards, food processors, utilities, pipelines/tank farms, HVAC steam services, hospitals, pipelines, marine & institutions. Brand Names: Taylor pacificindustrialserviceco.thomasnet.com/vi... Relief Valves Product Catalog: Taylor Valve Series 8200/8300 Relief Valves (Flanged & Threaded) Taylor Valve 7800/7900 Relief Valves Taylor Valve 7700 Backpressure Valve More Info Georg Fischer Piping Systems - Tustin, CA Manufacturer Six sigma capable ISO 9001 & ISO 14001 certified manufacturer & distributor of standard & custom pressure, back pressure, low pressure, pressure control, reducing, regulating & relief valves. Materials used include polypropylene & PVC. Pressure regulating valves range in pressure ratings from 7 psi to 150 psi & operating temperatures from -4 degrees F to plus 248 degrees F. Markets served include automotive, chemicals, confectionery, control & instrumentation, drugs & pharmaceuticals, electronics, food processing & mining. Brand Names: PROGEF, SYGEF www.us.piping.georgefischer.com/go/Products... Relief Valves Product Catalog: PVC PVC Beta PP More Info Hy-Lok USA - Houston, TX Distributor, Manufacturer, Custom Manufacturer, Service Company 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 to 400 degrees F temperature. Features of relief valves include 1 adjustable spring & Viton® seat. Relief valves are available with tube fittings & 1/4 in., 3/8 in. & 1/2 in. female NPT outlet & 1/2 in. & 3/8 in. male NPT inlet end connections. Meets ASME standards. www.hylokusa.com/Products/Valves/CheckRelie... Relief Valves Product Catalog with CAD: Check and Relief Valves Snap-tite, Inc., Quick Disconnect & Valve Div. - Union City, PA Manufacturer Directional control valves to 10,000 psi, manual & solenoid operated, as well as flow control, relief & check valves. www.snap-titequickdisconnects.com/products/... Product Catalog Aqua Environment Co., Inc. - Stinson Beach, CA Manufacturer Manufacturer of high pressure control, reducing, regulating & relief valves made from bronze, anodized aluminum & Viton®. 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 degrees F to 160 degrees F operating temperatures. Pressure control valves are available in zero seal hysteresis design. Valves are suitable for discharge & interstage reliefs on high pressure compressors, reliefs on charging lines, regulators & manifolds & hydraulic systems & accumulator reliefs. valvesandregulators.aquaenvironment.com/cat... Relief Valves Product Catalog: 504 Relief Valves 1284 Relief Valve 1527 Tank Mountable Compact Relief Valve More Info Century Instrument Co. - Livonia, MI Manufacturer Manufacturer of automatic pressure relief valves. Diaphragm pressure relief valve is self-contained, spring loaded & requires no air pressure or outside power source to function. Capabilities include relief at a preset pressure & reseating automatically when a safe working pressure is restored. Valves are available in a variety of body materials, linings & diaphragms & with pressure relief stetting from 10 to 150 psig. Applications include protecting piping systems of plastic or glass against over-pressure, pipe line surges & water hammer. www.centuryinstrument.com/830.html CIRCOR Instrumentation Technologies - Hoke, Inc. - Spartanburg, SC Manufacturer ISO 9001:2008 certified manufacturer pressure or vacuum relief valves. Products include adjustable relief valves & right angle relief valves. Adjustable relief valves are available in 316 stainless steel & brass materials. Specifications include maximum operating pressures of 3000 psig, operating temperatures from -20 degrees F to 350 degrees F, 6.35 mm size orifices & 0.1 Cv flow factor. Right angle relief valves are available with operating pressures from 5 psig to 6000 psig. Meets RoHS & ASME requirements. catalog.hoke.com/viewitems/fluid-control-co... Relief Valves Product Catalog with CAD: R6000 Series - Right Angle Relief Valve 6100 & 6200 Series - Ball and Poppet Check Valves Premier Hydraulics Inc. - Farrell, PA Distributor Distributor of fittings, manifolds & valves. Circle Valve Technologies Inc. - Harleysville, PA Distributor 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 & PTFE. Market served include industrial gas, chemical, medical, power, marine & oil & gas processing. Brand Names: 3B Filters, Aerodyne, Atkomatic, Circle Seal Controls, Contromatics, Duravalve, GO Regulator,... catalog.circlevalve.com/category/relief-val... Relief Valves Product Catalog: 500 Series Relief Valves 0.5 to 150 psig HP500 Series Relief Valves 150 to 575 psig 5100 Series Relief Valves 10 to 2400 psig More Info Associated Steam Specialty Co. - Locations Distributor, Manufacturers' Rep Manufacturers rep. & distributor of safety relief valves. Types of valves also include trap valves, steam & water mixing valves, automatic balancing valves, manual balancing valves, solenoid valves, pneumatic valves, check valves, pressure reducing valves, temperature regulating valves, control valves, piston valves, radiator valves & test valves. Brand Names: Kunkle www.associatedsteam.com/line.htm Thorco Holdings, LLC - Locations Distributor, Manufacturers' Rep, Service Company 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. Relief valves are suitable for air, steam, vapor & liquid service applications. www.thorcousa.com/relief-valves.html North American Machine Works - Folcroft, PA Distributor, Manufacturers' Rep, Service Company Manufacturers rep. & distributor of industrial safety valves including pressure control, reducing, regulating & relief valves. Types of valves include spring-loaded & pilot-operated pressure relief valves, buckling pin relief valves & low pressure safety relief valves. Triple offset butterfly valves, zero-leakage butterfly valves & metal seated butterfly valves are also available. Services include machining, mechanical contracting, coating, testing, installation, repairing, replacement, balancing, vibration troubleshooting, rigging & dismantling. Brand Names: BS&B, Farris www.namachineworks.com/safety-relief-valves... to 1 2 3 4 5 6 7 8 9 10 Next

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