High Pressure Check Valves up to 6,000 PSI (689 bar)
  • Fixed and adjustable cracking pressure.
  • Reliable DK-LOK Tube Fitting
  • Stainless and Brass material construction
  • O-ring seal blow-out proof design
  • DK-LOK OD 1/8 - OD1 inch
  • Pipe thread 1/8 - 1"

Max. Working Pressure: Up to 6000psig (413bar)
Temperature Ratings: Up to 400°F (204°C)
End Connections: NPT and ISO pipe end connections


316 Stainless Steel


Check valve model Check valve connections Check Valve Pressure rating
VH36A- D-2T- 1/8 inch dk-lok 6000 PSI (413 bar)
D-4T- 1/4 inch dk-lok
D-6M- 6 mm dk-lok
F-4N- 1/4 inch Female NPT
M-2N- 1/8 inch Male NPT
M-4N- 1/4 inch Male NPT
F-4R- 1/4 inch ISO Male Tapered
M-4R- 1/4 inch ISO Male Tapered
VH36B- D-6T 3/8 inch dk-lok 6000 PSI (413 bar)
D-8T- 1/2 inch dk-lok
D-8M- 8 mm dk-lok
D-10M- 10 mm dk-lok
D-12M- 12 mm dk-lok
F-6N- 3/8 inch Female NPT
F-8N 1/2 inch Female NPT
M-6N- 3/8 inch Male NPT
M-8N 1/2 inch Male NPT
F-8R- 1/2 inch ISO Female Tepered
M-8R- 1/2 inch ISO Male Tapered
VH36C- D-12T- 3/4 inch dk-lok 5000 PSI (344 bar)
D-16T 1 inch dk-lok
D-22M- 22 mm dk-lok
D-25M 25 mm dk-lok
F-12N- 3/4 inch Female NPT
F-16N- 1 inch Female NPT
M-12N- 3/4 inch Male NPT
M-16N- 1 inch Male NPT
F-12R- 3/4 inch ISO Female Tapered
F-16R- 1 inch ISO Female Tapered
M-12R- 3/4 inch ISO Male Tapered
M-16R- 1 inch ISO Male Tapered

Note: Limited models listed. Please consult our Sales Representative for High Pressure Components if you don't see models that meet your requirement.
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