RLSS-FNS4-7
316 SS, RL Series Relief Valve, Low Pressure, 1/4 Female NPT, Fluorocarbon FKM O-ring, 225psig(15.5bar), 25°F to 300°F(-4°C to 148°C), 0.19" Orifice, Yellow Spring, Set Pressure 10 to 225psig(0.69 to 15.5bar)
RLSS-FNS8-8
316 SS, RL Series Relief Valve, Low Pressure, 1/2 Female NPT, Fluorocarbon FKM O-ring, 225psig(15.5bar), 25°F to 300°F(-4°C to 148°C), 0.25" Orifice, Yellow Spring, Set Pressure 10 to 225psig(0.69 to 15.5bar)