Shelling mould casting price

Laminated sand: safety valve installation requirements on the boiler should meet the following requirements.

(1) rated evaporation over 0.5t/h rated evaporation less than or equal to 0 boilers, at least 2 safety valves installed.5t/h at least one safety valve installed in the boiler. Safety valve must be installed at the exit of the steam pot, which can have a rational number of coal conservator outlet.

(2) The large position of the pot business and furnace wall should be installed vertically safety valve. Safety valve and the furnace body or furnace wall shall not be equipped with an exit tube and gate valve between.

(3) lever investment casting joint safety valve relies on equipment to prevent independent movement of the heavy hammer and limit the lever cheating guide frame spring safety valve in accordance with the lifting handle to prevent the adjustment screw from being unscrewed at will.

(4) rated steam pressure is less than or equal to 3.82MPa safety valve throat diameter of not less than 25 boiler mm:, investment casting impeller rated steam pressure of more than 3..82MPa safety valve throat diameter of not less than 20 boiler mm.