This standard specifies the requirements, test methods, inspection rules (factory inspection and type test), marking, packaging and storage of mine explosion-proof solenoid valves. This standard applies to two-position, two-way mine explosion-proof solenoid valves (hereinafter referred to as solenoid valves) whose working medium is water.
MT/T 715-1997 history
1997MT/T 715-1997 General specification of explosion-proof electromagnet valves in coal mine