Check & Relief Valves
A valve is a device that regulates, directs or controls the flow of a fluid by opening, closing, or partially obstructing various passageways.
Valves are technically valves fittings, but are usually discussed as a separate category.
V33
Pressures up to 3,000 psig (206 bar) and 6,000 psig (413 bar)
Spec.
ㆍWorking Pressure : 3,000 psig
ㆍCracking Pressure : 1/3 to 100 psig
ㆍStainless Steel and Brass
ㆍDK-Lok 1/8 to 1 in. OD
ㆍPipe thread 1/8 to 1 in.
Brief Description
• Designed to prevent loss of media caused by failed connections and for uni-directional flow control of fluids in chemical processing, power generation, oil and gas industry.
VA33
Pressures up to 3,000 psig (206 bar) and 6,000 psig (413 bar)
Spec.
ㆍWorking Pressure : 3,000 psig
ㆍCracking Pressure : 3 to 600 psig
ㆍStainless Steel and Brass
ㆍPipe thread 1/4 to 1/2 in.
Brief Description
• Temperature up to 190°C (375°F) with FKM O-ring
• Adjustable cracking pressure using Allen Key
VH36
Pressures up to 3,000 psig (206 bar) and 6,000 psig (413 bar)
Spec.
ㆍWorking Pressure : 6,000 psig
ㆍCracking Pressure : 1/3 to 25 psig
ㆍStainless Steel
ㆍDK-Lok 1/8 to 1 in. OD
ㆍPipe thread 1/8 to 1 in.
Brief Description
• Seal blow-out proof design with the bonded seal on poppet.
VX36
Pressures up to 6,000 psig (413 bar)
Spec.
ㆍWorking Pressure : 6,000 psig
ㆍUp to 204℃ (400℉)
ㆍDesigned to stop uncontrolled release of system media
ㆍDK-Lok 1/4 to 1/2 in. OD
ㆍPipe thread 1/8 to 1/2 in.
Brief Description
• Designed to stop uncontrolled realease of system fluid on downstream line rupture.
• Stainless steel construction
• DK-Lok and Pipe End connections up to 1/2 in.
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V61
Working Pressure up to 400 psig (28 bar)
Spec.
ㆍCracking Pressure : 0.5 to 150 psig
ㆍ-65 to 400℉ (-54 to 204℃) Differ from material selection
ㆍPipe thread 1/8 to 1 in.
Brief Description
• Precise cracking pressure with high reliability.
• Keeping the sealing to 95~98% of Set Pressure at least.
• Reliable Reseal performance.
• Tamper proof design.
V63
Spec.
ㆍWorking Pressure : 300 psig
ㆍCracking Pressure : 10 to 225 psig
ㆍ-18 to 400℉ (-28 to 204℃)
ㆍStainless Steel with FKM seals
ㆍDK-Lok 1/4 to 1/2 in. OD
ㆍPipe thread 1/4 to 1/2 in.
Brief Description
• Install the valve between the pump outlet as close as possible, and any shut-off device in the discharge line. The preferable mounting position is vertical with the adjusting cap at the top.
• By-passes the system fluid to porevent instrument or sensitive gauge in the system from excess pressure.
• When the inlet pressure overcomes the set spring pressure on th poppet, the poppet lifts off the valve seat,allowing flow to pbypass and thereby balance the system pressure.
V64
PED Certi ed Relief Valves
Spec.
ㆍWorking Pressure : 6,000 psig
ㆍCracking pressure 15 to 5,500 psig
ㆍOrifice : 0.404 in. (10.26mm)
ㆍAir, Gases, CNG, and Liquid
ㆍPipe thread : 1/2 to 1 in.
Brief Description
• Wide Media Applications : Air, Gases, CNG, and Liquid relief applications.
• High Performance Soft Seat : provides repetitive and reliable bubble-tight seal.
• Orifice : 0.404 in. (10.26 mm)
• Working Pressure : 6,000 psig (413 bar)
• Cracking Pressure Range : 15 to 5,500 psig (1.03 to 379 bar) Valves are supplied with protective painted surface.
V66
Spec.
ㆍWorking Pressure : 6,000 psig
ㆍCracking Pressure : 220 to 6,000 psig
ㆍ-18 to 400℉ (-28 to 204℃)
ㆍStainless Steel with FKM seals
ㆍDK-Lok 1/4 to 1/2 in. OD
ㆍPipe thread 1/4 to 1/2 in.
Brief Description
• Install the valve between the pump outlet as close as possible, and any shut-off device in the discharge line. The preferable mounting position is vertical with the adjusting cap at the top.
• By-passes the system fluid to porevent instrument or sensitive gauge in the system from excess pressure.
• When the inlet pressure overcomes the set spring pressure on th poppet, the poppet lifts off the valve seat,allowing flow to pbypass and thereby balance the system pressure.