Check, Adjustable Check & Excess Flow Valves

V33 Series Valve

V33 Series Valve


 V33 Series Valve

  • Fixed cracking pressure
  • Working pressure up to 3,000 psig (206 bar)

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VA33 Series Valve

VA33 Series Valve


 

 VA33 Series Valve

  • Cracking pressure adjustable from 3 to 600 psig (0.2 to 41.3 bar)
  • Working pressure up to 3,000 psig (206 bar)

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VL36 Series Lift Check Valve

VL36 Series Lift Check Valve

VH36 and VL36 Series Valves

  • CNG/NGV Applications
  • Lift check valves
  • Pressures up to 3,000 psig (206 bar) and 6,000 psig (413 bar)
  • Temperature up to 900 °F (482 °C)

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VX36 Series Excess Flow Valve

VX36 Series Excess Flow Valve

 VX36 Series Excess Flow Valves

  • Designed to stop uncontrolled release of system fluid on downstream line rupture
  • Pressure up to 6,000 psig (413 bar)
  • Temperature rating up to 400 °F (204 °C)
  • Stainless steel construction
  • DK-Lok and PIPE END connections up to 1/2 in

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VDA33 Series Adjustable Check Valves

VDA33 Series Adjustable Check Valves

 VDA33 Series Valve

  • CNG/NGV Applications
  • Adjustable check valves
  • Cracking pressure adjustable from 3 to 600 psig (0.2 to 41.3 bar)
  • Stainles steel and brass

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VP33 Series Valve

VP33 Series Valve

VP33 Series Valve

  • Fixed cracking pressure
  • O-ring seal blow-out proof design

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VC34 Series CNG High-Flow Check Valve

VC34 Series CNG High-Flow Check Valve

VC34 Series CNG Check Valve

  • High flow check valve
  • Unidirectional fluid flow control
  • Poppet O-Ring secured on groove provides a leak-tight seal

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Type Cert Auth. Cert Number Issue Date Expiry Date PDF
1. V33, VP33, VA33, VDA33, VH36 and VL36 Series DK Lok Check Valves Product Overview DK-Lok Corp Catalog No. V336-7 2014-11-01 Download
2. VX36 Series Excess Flow Valves Product Overview DK-Lok Corp Catalog No. VX36-1 2015-03-02 Download
V33, VP33, VA33, VDA33, VH36, and VL36 Series VCH36 Series for CNG/NGV applications CRN 0C09275.2134567890TYN 2009-01-21 2018-08-18 Download
VC34 Series CNG Check Valves Download
VH36 Series High Pressure Check Valves ABS 09-BK522012-PDA 2009-11-11 2014-11-11 Download
VH36 Series High Pressure Check Valves CRN 0C09275.2 No.2008-04350 2008-08-18 2018-08-18 Download
VH36 Series High Pressure Check Valves GOST C-KR.AE41.B.00044 2013-11-23 2013-11-23 Download
VH36 Series High Pressure Check Valves RS 13.00186.313 2013-01-18 2018-01-18 Download