Doering Company - Clear Lake, MN
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of process pressure safety relief valves featuring aluminum & stainless steel housings. Relief valves are available with 3,000 psig & 5,000 psig pressure rating & 1/8 in., 1/4 in. & 3/8 in. NPT porting.
www.doering.com/valves-pressure-control.php

Parker Hannifin Instrumentation Products Div. - Huntsville, AL
Manufacturer
ISO 9001:2008 certified manufacturer of valves including stainless steel safety relief valves, stainless steel valves, Hastelloy® valves & Monel® valves. Types of valves also include ball valves, bleed valves, check valves, metering valves, needle valves, relief valves & sanitary valves.
www.parker.com/portal/site/PARKER/menuitem....

TR Engineering, Inc. - Scotts Valley, CA
Manufacturer
Manufacturer & designer of hydraulic safety relief valves made from steel & stainless steel. Valves are available with 3/8 in.-24 & 1/8 in. NPT thread sizes & 3,000 psi to 8,000 psi pressure. Relief valves are suitable for lifting systems or system using double acting hydraulic cylinders with large area ratio between the blind end & rod end. Made in the USA.
www.trengineering.com/hydraulic-relief-valv...

ARI Valve Corp. - Marietta, GA
Distributor, Manufacturer
ISO 9001 certified manufacturer of safety relief valves made of materials including stainless steel. Safety valves are available in full-stroke & normal versions. Specifications include 6 in. x 10 in. dimensions, temperature ranging from minus 14 degrees F to plus 800 degrees F & pressure up to 100 bar. Features of valves include metal seated & soft seating plugs, stainless steel stroke support fixed directly to the plug, & precise centering & guiding of plug & stem. Materials include cast iron, cast carbon steel & stainless steel. Safety valves are available with a variety of end connections, hoods & lifting levers.
www.arivalve.com/safety_valves.htm

Stainless Steel Safety Relief Valves Products
	Safety Valves

Ohio Valley Industrial Services, Inc. - Coraopolis, PA
Distributor, Manufacturer, Custom Manufacturer, Service Company
Distributor of safety relief valves made from stainless steel. Various features include captured molded seat design, lock wire, color coded springs and labels, manual override option and pressure settings.
Brand Names: Parker, Partek
www.ovisinc.com/instrumentation_industry.ht...

Boig & Hill, Inc. - Valley Stream, NY
Distributor, Custom Manufacturer, Manufacturers' Rep
Distributor of valves including bonnet, stainless steel, safety relief & spring loaded valves. Valves are available in various models with specifications including inlet size ranging from 1/2 in. to 8 in. & outlet size ranging from 1 in. to 10 in. & inlet operating temperature ranging from minus 20 degrees F to plus 400 degrees F. Features of valves include brass body, carbon steel & bronze bonnets & stainless steel & rust proof chrome alloy springs. Valves are suitable for air, steam, vapor & liquid. Meets ASME standards.
Brand Names: Access, Deste, Everlasting, Farris, Flowserve, K-MASTER, Kunkle, Lonergan, Spence, Teledyne Farris,...
www.boighill.com/valves.html

Circle Valve Technologies Inc. - Harleysville, PA
Distributor
Distributor of valves. Check valves, solenoid valves, ball valves, cryogenic valves, relief valves, needle valves, plug valves, actuated valves, diaphragm valves, pressure regulators, cylinder regulators, back pressure regulators, control valves, & tube fittings. Markets served include industrial gas, chemical, medical, power, marine, oil & gas processing.
catalog.circlevalve.com/category/relief-val...

Stainless Steel Safety Relief Valves Products
	500 Series Relief Valves 0.5 to 150 psig HP500 Series Relief Valves 150 to 575 psig D500 Series ASME Safety Relief Valves 15 to 150 psig More

World Wide Metric, Inc. - Locations
Distributor
Distributor of valves including safety relief valves made from stainless steel. JIS, DIN, ANSI & butterfly valves are also available. Stock items are also available. Same day shipping.
products.worldwidemetric.com/category/valve...

Keckley Company - Skokie, IL
Manufacturer, Custom Manufacturer
Manufacturer of standard & custom steel & stainless steel safety relief valves. Stainless steel safety relief valves feature stainless steel semi-nozzle trim, inlet & outlet flange, bolted bonnet design, enclosed spring, lapped seats to optical flatness, dual control rings which allows adjustability for precision opening with minimum pre-open or simmer & exact blow down control, heavy duty lift lever assembly & factory-sealed adjustments to prevent tampering or dis-assembly. Stainless steel safety relief valves are suitable for steam, air & non-hazardous gas service. Applications include steam boilers & generators, pressure reducing stations, reciprocating or rotary air or gas compressors & pressure vessels including tanks, receivers, intercoolers, oil-gas separators & lines.
www.keckley.com

Ware, Inc. - Louisville, KY
Distributor, Manufacturer, Custom Manufacturer, Service Company
Distributor of safety valves such as remanufactured safety relief valves, stainless steel safety relief valves, & repaired or exchanged safety valves. Valve repair services such as code repairs, & water treatment are also available.
www.wareinc.com

East Coast Stainless - Newark, DE
Distributor, Service Company
Distributor of sanitary & safety relief valves made from 316 & 316L stainless steel. Types of valves include ball, check & globe valves. Cast & forged valves are available in threaded & socket weld or flanged ends.
www.eastcoaststainless.com/

Cole Industrial & Technical Supply Co. - Tampa, FL
Distributor, Custom Manufacturer
Distributor of safety valves including stainless steel safety relief valves. Features compact design for minimum installation space & angle lapped seat for tight shut-off.
www.coleindustrial.com/ASTM-A403-Welded-Fit...

Ratermann Manufacturing, Inc. - Livermore, CA
Distributor, Manufacturer, Custom Manufacturer, Service Company
Manufacturer & distributor of stainless steel safety relief valves. Available in angle type. Safety relief valves have maximum operating pressure ratings up to 725 psi. Stainless steel safety relief valves are approved for air gases, vapors & cryogenic liquefied gases including LNG. Safety relief valves are used as safety devices for protection against excessive pressure in stationary & movable gas cylinders.
Brand Names: Herose, RMI
www.valvesgas.com//safety-valves.html

Stockton Valve Products, Inc. - Houston, TX
Distributor, Custom Manufacturer, Service Company
Distributor of relief atmospheric valves including safety relief, pressure & vacuum relief valves. Materials include Monel®, Hastelloy®, steel, zirconium, brass, bronze & plastic.
Brand Names: A-T Controls, ASCO, AquaMatic, Aquamatic, C&C, CAMERON, CLA-VAL, CVS, Chem Oil, Deltech, Demco,...
stocktonvalve.com/products/valves

ARCO Engineering, Inc. - Louisville, KY
Distributor, Service Company
Distributor of safety relief valves made from stainless steel. Pressure limiting, bleed, double block and bleed, flange, gage, globe, isolation, multi-port and needle valves are also available. ISO 9000 certified.
www.arcoengineering.com/index.htm

ESD Valves, LLC - Richmond, TX
Manufacturer
Manufacturer of stainless steel safety relief butterfly valves for emergency shutdown of diesel engines. Valves are fitted with metal to metal seat & spring loaded with no rubber seals. Available in 3 in., 4 in., 5 in. & 6 in. sizes. Valve comes standard with a 6 ft. pull cable. Other options include air activated & electric actuated 12V-24V. Valves have hose barb for mounting on each end.
Brand Names: KIL-AIRE Valve
www.kilairevalve.com

Shaw Stainless & Alloy - Marietta, GA
Distributor, Manufacturer, Custom Manufacturer, Service Company
Distributor of stainless steel pipes, tubing, valves, flanges, welded fittings, screwed fittings, nipples, shapes, stainless steel sheet, clamps, butt weld fittings, bevel seat fittings, in-liner strainers, diaphragm valves, elbows, couplings, hose shanks, gages, pipe & tube hangers, bends, needle valves, adapters, tees, reducers, ferrules & caps. Custom stainless steel pipe fabrication, cutting and machining services.
www.stainlessandalloy.com

Flow Solutions, Inc. - Locations
Distributor, Custom Manufacturer, Manufacturers' Rep, Service Company
Stocking distributor of ASME safety valves for small air compressor systems & related applications. Available set pressure range from 25 psi to 350 psi. Set tolerance plus/minus 3 percent of set pressure. 250 degrees maximum temperature.
flowsolutions1.com/index.php?main_page=inde...

Lonergan Valve Services - Deer Park, NY
Distributor
Distributor of stainless steel safety relief valves. Features include 316 grade stainless steel trim & MNPT x FNPT connections. Stainless steel valves with pressure ratings up to 300 psi are available. Meet ASME standards.
Brand Names: Lonergan
www.authorizedparts.com/find?number=&manufa...

Circor Technologies, Inc. (CIT) - Spartanburg, SC
Manufacturer, Custom Manufacturer
Manufacturer & distributor of safety relief valves made of stainless steel. Available in different configurations including standalone & surface mount.
www.circortechnologies.com

North American Machine Works - Folcroft, PA
Distributor, Manufacturers' Rep, Service Company
Manufacturers rep. & distributor of stainless steel safety 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

COLESCO INC. - Cincinnati, OH
Distributor, Manufacturers' Rep, Service Company
Stocking distributor and manufacturer's representative of stainless steel safety relief valves. Available with leak free performance and resilient seats. Capabilities include certification and calibration. Stainless steel safety relief valves are suitable for air, gases, steam and liquids. Meets ASME section VIII standards.
Brand Names: Hydroseal
www.colesco.com/safety-valves.html

Air Compressor Equipment, Inc. - Wilson, NC
Distributor, Custom Manufacturer, Service Company
Distributor of valves including air & gas compressor, safety relief, intake, minimum pressure check, thermo oil bypass, shuttle & blow down valves made of stainless steel. Other accessories include oil site glass scavenge sight glass, filters, rubber sleeves, manifolds, control regulators, centrifugal separators, oil filter assemblies, temperature switches, poly belts, pulleys, manifolds, tanks & small recipe units, regulators, lubricators, pressure gauges, automatic tank drains, quick couplers, steel flex line & coil hose.

Spence Engineering - Walden, NY
Manufacturer, Custom Manufacturer
ISO 9001 certified custom manufacturer of valves. Types of valves include air actuated, back pressure, double door check, temperature & pressure control, corrosion resistant, cryogenic relief, diaphragm, emergency shut-off, foot, gas, mixing, pilot operated, pneumatic, radiator, regulating, remote control, safety & triple duty valves. Valves are available with cast iron, carbon steel & stainless steel body, stainless steel disc, wafer flat & raised face end connections, Buna N®, ethylene propylene diene monomer & Viton® seats. Valves are suitable for bottle washing machinery, steam tables, plating tanks, heating ducts, fuel oil heaters, cooking vats, heat exchangers, induction furnaces, industrial compressors, cold storage boxes, cooling ducts, liquid chillers, water heaters & parts washers. Materials meet ASTM standards.
Brand Names: Nicholson, Rockwood Swendeman, UniFlex

T & A Valve Industries, Inc. - Brooklyn, NY
Distributor, Custom Manufacturer, Manufacturers' Rep
Distributor of safety relief valves including remanufactured, stainless steel & repaired or exchanged. 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 specialists. Additional services include field engineering, relief valve repairing, steam trap surveys, bypasses, trim changes, extension stems, retrofits & fusible link assemblies. Complete inventory of pipe, valves & fittings offered as well.
Brand Names: ASCO, Aloyco, American, Armstrong, Conbraco, Crane, DSI, Fairbanks, ITT Engineered Valves, Jenkins,...