M402BC35
The M40B is a compact hydraulic relief valve with BSPP ports, designed to protect systems from overpressure. It handles flows of 40–50 l/min at pressures up to 350 bar, with multiple adjustable spring ranges for flexibility. Built with a steel body, it is lightweight yet robust, and optional accessories like a hand knob and tamper-proof cap make it user-friendly and secure.
Port sizes & flows: 3/8 BSPP (40 l/min) or 1/2 BSPP (50 l/min)
Max pressure: 350 bar (≈5075 psi)
Spring ranges: 10–70 bar, 20–210 bar, 70–350 bar
Adjustment sensitivity: ~16.5 bar (≈239 psi) per screw turn
Weight & construction: Steel body, 0.6–0.7 kg; optional hand knob and tamper-proof cap
Collections: Fluid App Hydraulic Valves, Google Shopping, Inline Valves 2, Relief Valves