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Safety/Pressure Relief Valves
DK-LOK V66 Series Relief Valve, Cracking Pressure 1500 to 2250 psig, 1/4" Male x Female NPT Connections, SS316, V66-MF-4N-D
DK-LOK

DK-LOK V66 Series Relief Valve, Cracking Pressure 1500 to 2250 psig, 1/4" Male x Female NPT Connections, SS316, V66-MF-4N-D

Mfr. part no.
V66-MF-4N-D
SKU
DK-SSPRV-04-1500-2250

Specifications

Series V66 Series
Connection Size 1/4" Male x Female NPT
Cracking Pressure Range 1500 to 2250 psig
Maximum Pressure 6,000 psig @ 68°F (413 bar @ 20°C)
Body Material 316 stainless steel
Orifice Size 3.4 mm (0.13 in.)
Adjustment Adjustable within spring range
Seal Material FKM Viton

Key features

  • Maximum working pressure up to 6,000 psi
  • Cracking pressure range 1,500 to 2,250 psi
  • Black color-coded spring for pressure identification (spring code RVS-D)
  • Spring-loaded relief mechanism for accurate operation
  • SS316 stainless steel body for corrosion resistance
  • 1/4" Male x Female NPT Connections
  • FKM (Viton) seal for reliable sealing
  • Compact and durable design for industrial service

Description

The DK-LOK V66 relief valve is a spring-loaded SS316 safety valve designed to open at the specified cracking pressure and relieve excess pressure to protect downstream equipment. This model is supplied with 1/4" male x female npt connections and is intended for a cracking pressure setting of 1500 to 2250 psig. It uses spring designator RVS-D with Black color code, covering a cracking pressure range of 1500 to 2250 psig with FKM (Viton) seal. The valve can be fine-adjusted within the applicable spring range during installation and is factory tested for cracking and reseal performance.

Applications

  • Instrument and gauge protection
  • Hydraulic and pneumatic systems
  • Test benches and pressure skids
  • Process and utility lines

Documents

  • DK LOK-V63-V66 Series Relief Valves

    PDF, 6.7 MB

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