Relief Valves

V61 Series Vent Relief Valve

V61 Series Vent Relief Valve


 V61 Series Vent Relief Valves

  • Designed to vent out the excess pressure from the line when the line pressure is exceeds limitation
  • Precise cracking pressure with high reliability
  • Keeping the sealing to 95~98% of Set Pressure at least
  • Reliable Reseal performance
  • Tamper proof design

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V63 Series Relief Valve

V63 Series Relief Valve

V63 and V66 Series Relief Valves

  • Maximum working pressure : 300 psig @ 68°F (20.6 bar @ 20°C)
  • Cracking pressure range V63 : 10 to 225 psig (0.68 to 15.5 bar)
  • Cracking pressure range V66 : 50 to 6,000 psig (15.1 to 413 bar) 

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V64 Series PED Certified Relief Valve

V64 Series PED Certified Relief Valve

V64 Series PED Certified Relief Valves

  • 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 psi (413 bar)
  • Cracking pressure range: 15 to 5,500 psig (1.03 to 379 bar)
  • Available in 1"
  • Available in 2"

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Type Cert Auth. Cert Number Issue Date Expiry Date PDF
3. V61 Series Vent Relief Valves Product Overview DK-Lok Corp Catalog No. VRV-1 2013-12-01 Download
4. V63 and V66 Series Relief Valves Product Overview DK-Lok Corp Catalog No. V63&V66-6 2015-08-01 Download
V33 Series Poppet Check Valves ABS 09-BK522012-PDA 2009-11-11 2014-11-11 Download
V33 Series Poppet Check Valves CRN 0C09275.2 No.2008-04350 2008-08-18 2018-08-18 Download
V33 Series Poppet Check Valves GOST C-KR.AE41.B.00044 2013-11-23 2013-11-23 Download
V33 Series Poppet Check Valves RS 13.00186.313 2013-01-18 2018-01-18 Download
V63 Series Relief Valves ABS 09-BK522012-PDA 2009-11-11 2014-11-11 Download
V63 Series Relief Valves ABS 09-BK522012-PDA 2009-11-11 2014-11-11 Download
V63 Series Relief Valves CRN 0C5191.2 No.2002-01370 2009-11-11 2014-11-11 Download
V63 Series Relief Valves GOST C-KR.AE41.B.00044 2013-11-23 Download
V63 Series Relief Valves RS 13.00186.313 2013-11-23 2018-01-18 Download
V64 Relief Valve DK-Lok Corp No.V64-1 2015-09-01 Download
V64 Relief Valve 1" DK-Lok Corp No.V64-4 2014-08-01 Download
V64 Series CNG Relief Valves RS 13.00186.313 2013-01-18 2018-01-18 Download
V64 Series PED Relief Valves CRN 0C5191.2134567890TYN 2011-09-23 2021-09-23 Download
V64 Series PED Relief Valves PED 97/23//EC HSBI-14-03-019 2012-07-04 2017-03-03 Download
V64 Series PED Relief Valves PED 97/23//EC HSBI-13-11-052 2013-11-19 2016-11-29 Download
V64 Series PED Relief Valves GOST C-KR.AE41.B.00044 2013-11-23 2013-11-23 Download
V66 Series Relief Valves ABS 09-BK522012-PDA 2009-11-11 2014-11-11 Download
V66 Series Relief Valves CRN 0C5191.2 No.2002-01370 2002-03-31 Download
V66 Series Relief Valves GOST C-KR.AE41.B.00044 2013-11-23 2013-11-23 Download
V66 Series Relief Valves RS 13.00186.313 2013-01-18 2018-01-18 Download
VA33 Series Adjustable Check Valves ABS 09-BK522012-PDA 2009-11-11 2014-11-11 Download
VA33 Series Adjustable Check Valves CRN 0C09275.2 No.2008-04350 2008-08-18 2018-08-18 Download
VA33 Series Adjustable Check Valves GOST C-KR.AE41.B.00044 2013-11-23 2013-11-23 Download
VA33 Series Adjustable Check Valves RS 13.00186.313 2013-01-18 2018-01-18 Download
VCH36 Series CNG Check Valves RS 13.00186.313 2013-01-18 2018-01-18 Download
VCH36 Series CNG Check Valves TUV 2010-CERT-013(01) 2012-02-23 2014-02-22 Download
VCH36 Series CNG Check Valves TUV 2010-CERT-014(01) 2012-02-23 2014-02-22 Download
VCH36 Series CNG Check Valves TUV ECE R110-000186 Download
VL36 Series Lift Check Valves ABS 09-BK522012-PDA 2009-11-11 2014-11-11 Download
VL36 Series Lift Check Valves CRN 0C09275.2 No.2008-04350 2008-08-18 2018-08-18 Download
VL36 Series Lift Check Valves GOST C-KR.AE41.B.00044 2013-11-23 2013-11-23 Download
VL36 Series Lift Check Valves RS 13.00186.313 2013-01-18 2018-01-18 Download
VP33 Series 1-Piesce Check Valves ABS 09-BK522012-PDA 2009-11-11 2014-11-11 Download
VP33 Series 1-Piesce Check Valves CRN 0C09275.2 No.2008-04350 2008-08-18 2018-08-18 Download
VP33 Series 1-Piesce Check Valves GOST C-KR.AE41.B.00044 2013-11-23 2013-11-23 Download
VP33 Series 1-Piesce Check Valves RS 13.00186.313 2013-01-18 2018-01-18 Download
VX36 Series Excess Flow Valves GOST C-KR.AE41.B.00044 2013-11-23 2013-11-23 Download
VX36 Series Excess Flow Valves RS 13.00186.313 2013-01-18 2018-01-18 Download
VX36 Series Excess Flow Valves DK-Lok Corp Certificate No. VX36-1 2013-10-01 Download