Control valve applications digit number should be reflected in the valve plate
2015-10-16 by bridge
Control valve attachment level of protection not less than it, the junction box should be sealed into the outlet port.
Control valve applications digit number should be reflected in the valve plate, or separately stated on a sign and fix the
Gas Water Heater Valve. In addition to double outward, should be clearly marked on the valve body through the medium of the allowed direction.
General design units designers have selected valve core (valve, valve seat, stem, cage, seat ring, packing, gaskets) material. Final Gas Valves selection and design requirements should be the same, if not, you must confirm the suitability of the material after the change, if in doubt, it must be technical clarifications.