BOILER FEED REGULATOR AND CHECK VALVE
The boiler feed regulator and check valve shown in is an improved form of the feed check valve described in art it is assembled from the parts shown in It con sists of two valves, viz, a regulator valve and a check valve, former mounted above the latter. A cast iron elbow is fitted with a valve seat to mount the check valve and is bolted to the bottom of the valve body- part no.4 using eight bolts , washers and nuts a moushroom type of check valve rests on the check valve seat. The valve has a long stem and is guided well during its lift. The regulating valve seat is fitted into the valve body . the regulating valve which is connected to the valve spindle by means of sleeve nut the regulating valve has a long cylindrical projection below it to control the upward movement of the check valve. The valve spindle is coupled to the top spindle with help of a coupler a collar 1 and a taper split pin this joint permits the rota...