| Series | V63 Series |
|---|---|
| Connection Size | 1/4" Male x Female NPT |
| Cracking Pressure Range | 10 to 225 psig |
| Maximum Pressure | 300 psig @ 68°F (20.6 bar @ 20°C) |
| Body Material | 316 stainless steel |
| Orifice Size | 4.8 mm (0.19 in.) |
| Adjustment | Adjustable within spring range |
| Seal Material | FKM Viton |
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.
DK LOK-V63-V66 Series Relief Valves
PDF, 6.7 MB
The closest equivalent from another brand, with the differences stated so you can check before you order.
Swagelok SS-RL3M4-F4
Swagelok R Series proportional relief valves — low-pressure RL3 (1/4 in.)
Swagelok SS-RL3M4-F4 — R Series low-pressure proportional relief valve, 316 SS, 1/4 in. male NPT inlet x 1/4 in. female NPT outlet, 10 to 225 psig, FKM seal.
We carry V63-MF-4N-L as the indSpare-stocked equivalent. Looking for a different brand? Request a quote →
Part no. V66-MF-4N-B
In stock, 10 available
Part no. V66-MF-4N-E
In stock, 50 available
Part no. V66-MF-4N-A
In stock, 50 available
Part no. V66-MF-4N
In stock, 100 available
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Procurement · Kuwait, GCC, and Worldwide
