Kunkle Valve is a leading manufacturer of quality safety and relief valve products for industrial and commercial applications, including steam, air, liquid (including cryogenics) and non-hazardous gases. Kunkle relief valves are available for ASME Section I, Section IV and Section VIII services with relief capacities certified by the National Board. In addition, Kunkle offers a range of non-code products and each valve, both code and non-code is set, tested, and retested to the customer’s specifications and then sealed at the factory to prevent tampering.

Kunkle safety and relief valve products range in size from 1/4-inch NPT through 6-inch flange and are suitable for services ranging from cryogenic to 850°F at set pressures ranging from vacuum to 6,500 psig. Safety relief valves are available in a wide range of materials including Brass, Bronze, Carbon Steel, Stainless Steel, Cast Iron, and Aluminum.BSP threads are available on most sizes. Kunkle Test Reports and Certificates of Compliance are available upon request.

Products

Model 6252 and 6254

Applications: Steam Boilers and Generators. Pressure Reducing Stations. Air/Gas Compressors – reciprocating or rotary.Read More »

Cast Iron Liquid Relief Valves Model 91, 218, 228

Applications: Fire Pump Service; Overpressure relief and protection of pumps, tanks, lines and hydraulic systems; Pressure regulation.Read More »

Relief Valve Model 900: 910, 911, 917, 920,921,927

Applications: Air/gas compressors, intercoolers, aftercoolers. Liquid filled pressure vessels/systems, ASME Section VIII (UV).Read More »

Liquid Relief Valve Model 19 and 20

Applications: Overpressure relief and protection of pumps, tanks, lines and hydraulic systems; pressure regulation and continuous by-pass relief.Read More »

Safety Relief Valve Series 6000

Applications: Steam Boilers and Generators. Air/Gas Compressors – reciprocating or rotary – portable or stationary, intercoolers and aftercoolers.Read More »

Bailey 746 Safety Relief Valve

Applications: Suitable for the protection of vessels, pipelines and equipment using hot or cold water; air; process or corrosive liquids and for clean steam and gases in hygienic environments.Read More »
Bailey 766 Safety Relief Valve

Bailey 766 Safety Relief Valve

Applications: ideally suited to applications on steam boilers and pipelines where blowdown tolerances are critical.Read More »

Bailey 480/485/490 Relief Valve

Applications: Ideally suited for positive displacement pumps, for relief or bypass dutiesRead More »
Model 338 Blower Relief Valve

Model 338 Blower Relief Valve

Applications: Suitable for the protection of low to medium pressure, high volume blowers and for use on bulk hauling trailers and equipment.Read More »

Models 71S, 171, 171P and 171S Safety Relief Valves

Applications: Ideally suited to applications on steam boilers and pipelines where blowdown tolerances are critical.Read More »

Models 541/542/548 Safety Valves

Applications: Suitable for use on small to medium size single and multi-stage air compressors, intercoolers, aftercoolers, instrument/control air lines and systems. Also for air tanks/receivers and pressurized equipment.Read More »

Model 716 Safety Relief Valves

Applications: the 716 is certified to BS6759 pt 1, 2, 3 and is suitable for the protection of vessels, pipelines and equipment using hot or cold water; air; process or corrosive liquids; cold and fine gases and for clean steam and gases in hygienic environments.Read More »

Models 40R/40RL Safety Relief Valves

Applications: Ideally suited to applications on steam boilers and pipelines where blowdown tolerances are critical.Read More »

Models 230/330/330S/333S Safety Relief Valves

Applications: suitable for use on multi- stage high pressure compressors, intercoolers and aftercoolers; on high pressure receivers and storage bottles, for thermal expansion relief and on breathing air pack and SCUBA recharge compressors.Read More »

Bailey Type 776 Safety Valves

Applications: Suitable for the protection of pipework, tanks and equipment containing cryogenic, cold and fine gases.Read More »

Models 264/265/266/267 Safety Relief Valves

Applications: Suitable for the protection of pumps, compressors, pressure vessels or systems handling corrosive fluids or vapors at high pressure and/or temperature. Also for sentinel (warning) services on steam equipment.Read More »

Bailey Type G-4 Pilot Operated Reducing Valve

Applications: Suitable for extremely accurate levels of pressure regulation for steam, air and industrial gas applications.Read More »

Models 215V/337 Safety Relief Valves

Applications: Suitable for extremely accurate levels of pressure regulation for steam, air and industrial gas applications.Read More »

Bailey 716T Safety Relief Valve

Applications: Suitable for hot water system protection, protecting unvented hot water systems against both excess pressure and excess temperature.Read More »

Models 1 and 2 Safety Valves

Applications: Suitable for air and non-hazardous gas services including portable or stationary air/gas compressors; pressure vessels including tanks, receivers, intercoolers, aftercoolers and on steam turbines, kettles and other steam-processing equipment.Read More »

Model 140 Safety Relief Valves

Applications: General utility valve of all stainless steel construction, including spring, for non-code liquid applications.Read More »
Models 189/363/389 Safety Relief Valves

Models 189/363/389 Safety Relief Valves

Applications: suitable for cryogenic and liquefied air, oxygen and gas services on multi-stage air and gas compressors, intercoolers, aftercoolers and receivers. also for thermal expansion relief and/or full rated capacity discharge and air, gas and liquefied gas lines and systems.Read More »

Models 300/600 Safety Relief Valves

Applications: Suitable for use on steam boilers and generators, pressure reducing stations, reciprocating or rotary air/gas compressors and for pressure vessels including tanks, receivers, intercoolers, oil/gas separators and lines.Read More »

Model 930 Safety Relief Valves

Applications: Suitable for use on low pressure steam heating boilers to ASME code section IV at 15 psig set pressure.Read More »

Bailey Model 756 Safety Relief Valves

Applications: Suitable for hot water system protection, protecting unvented hot water systems against both excess pressure and excess temperature.Read More »

Model 537 Safety Relief Valves

Applications: Suitable for hot water system protection, protecting unvented hot water systems against both excess pressure and excess temperature.Read More »

Model 30 Safety Relief Valve

Applications: suitable for use on small to medium size multi-stage air compressors, intercoolers, aftercoolers, instrument/control air lines and systems and for air tanks/ receivers and pressurized equipment.Read More »

Bailey 616D Safety Relief Valve

Applications: Suitable for blowers or bulk transfer road/ rail transport vehicles, the 616D is specially designed to give overpressure protection of positive displacement air blowers and associated tanks or pressure vessels.Read More »

Model 716H Safety Relief Valves

Applications: Certified to ASME VIII, it is suitable for the protection of vessels, pipelines and equipment using cold water; air; process or corrosive liquids; cold and fine gases and for clean steam and gases in hygienic environments.Read More »

Valves Product Data – Resources (PDF)

Kunkle Valve Models 6252 & 6254

Kunkle Valve 91, 218 & 228 Liquid Relief Valves

Kunkle Valve 6000 series Safety Valves

Kunkle Valve – Bailey 776 Cryogenic Safety Valve

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