> Comply with international standard EN1359,OIML R137 and MID2014/32/EU.
> Approved by ATEX II 2G Ex ib IIA T3 Gb (Ta = -20℃ to +60℃)
> Housing made through die-casting of high-quality steel.
> Diaphragm made of synthetic rubber with long life and temperature resistant.
> Valve and valve seat made of advanced PF synthetic resin.
> Long life>10years.
> Anti-tamper proof.
> Seven-step leakage testing.
> Magnetic or mechanical drivdi...