Bronze Accessible Feed Check Valves

These Valves are a development of our range of Screw-down Stop Valves and the design makes use of a conventional Angle Pattern Stop Valve to which is connected a separate inlet branch which houses the check valve. This check inlet branch is of unique design in that the check valve head and its guide are arranged below the face of the connecting flange enabling the branch to be withdrawn without disturbing the feed piping. With the stop valve closed this feature permits speedy examination and maintenance of the check valve seatings when the boiler is under steam. For temperatures up to saturated steam at 263 lbf/in2 the check valve also is of special design incorporating a resilient seal to provide completely tight shut-off when the boiler pump cuts out, an essential feature for installations where a centrifugal pump is employed

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