solenoid valve, gas valve, fuel dispenser valve,diaphragm solenoid valve, gas valve, fuel dispenser valve,diaphragm A Type B TypeDescription• Precise action, reliable, long service.• Diaphragm of main valve has capability of ... loop with good insulation.• Anti-Explosion Class:EXdiiBT4• When main valve shuts off, work pressure 0.3~0.4MPa, flow rate is ...