High Pressure Relief Valve Series

Stainless steel high-pressure NPT relief valves in a variety of cracking pressures from 225 to 5000 psi (15.5 to 345 bar) with a maximum working pressure of 6000 psi (414 bar). 1/4 in MNPT inlet and 1/4 in FNPT outlet. Operating temperature range: 10°F to +400°F (-23° to +204°C). Cracking pressure not affected by outlet pressure. Compact body allows for small space installations. Cracking pressure adjustable externally. Lock wire capable to maintain pressure relief setting.

SKU

Specifications

SKU Cracking Pressure Maximum Working
Pressure (psi)
Spring
Color
Orifice
Size
psi bar kPa
RV2MF-4N-A-S316 225–750 15.5–51.5 1550–5150 6000 Yellow 0.19 in (4.8mm)
RV2MF-4N-B-S316 750–1500 51.5–103 5150–10300 6000 Purple 0.19 in (4.8mm)
RV2MF-4N-C-S316 1500–2250 103–155 10300–15500 6000 Orange 0.19 in (4.8mm)
RV2MF-4N-E-S316 3000–4000 206–275 20600–27500 6000 White 0.19 in (4.8mm)
RV2MF-4N-F-S316 4000–5000 275–344 27500–34400 6000 Red 0.19 in (4.8mm)
RV1MF-4N-S316 10–250 0.7–17  69–1724 300 N/A 0.19 in (4.8mm)