All DK-LOK products
DK-LOK Safety/Pressure Relief Valves
All Safety/Pressure Relief Valves (every brand)
DK-LOK V63 Series Relief Valve, Cracking Pressure 10 to 225 psig, 1/4" Male x Female NPT Connections, SS316, V63-MF-4N-L
All DK-LOK products
DK-LOK Safety/Pressure Relief Valves
All Safety/Pressure Relief Valves (every brand)
Technical overview
The DK-LOK V63 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 10 to 225 psig. It uses spring designator RVS-L with Red color code, covering a cracking pressure range of 10 to 225 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.
Key features
- Maximum working pressure up to 300 psi
- Cracking pressure range 10 to 225 psi
- Red color-coded spring for pressure identification (spring code RVS-L)
- Spring-loaded relief mechanism for accurate operation
- SS316 stainless steel body for corrosion resistance
- 1/4" Male x Female NPT Connections 1/2" NPT Male x Female, with FKM (Viton) seal
- Compact and durable design for industrial service
Applications
- Instrument and gauge protection
- Hydraulic and pneumatic systems
- Test benches and pressure skids
- Process and utility lines
Specifications
SeriesV63 Series
Connection Size1/4" Male x Female NPT
Cracking Pressure Range10 to 225 psig
Maximum Pressure300 psig @ 68°F (20.6 bar @ 20°C)
Body Material316 stainless steel
Orifice Size4.8 mm (0.19 in.)
AdjustmentAdjustable within spring range
Seal MaterialFKM Viton
Documentation
DK-LOK-V63-V66-Series-Relief-Valves
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