Morrison Bros Fig. 534DI, 534BDI Flanged Gate Valves With Expansion Relief - Ductile Iron

The Morrison Fig. 534/535 series gate valves are rising stem double disc style positive shut-off valves that have built-in expansion relief capabilities. Temperature rating is -50° to 450° F. Cold non-shock pressure is 200 P.S.I. W.O.G. Fig. 534 series flanged gate valves conform to ANSI B16.42 Specifications for Class 150 raised face ductile iron flanges.
534BDI, 535B, and 535BDI include a locking feature that allows them to be locked with a padlock. 534DI/BDI includes integrated thermal expansion relief set at 25 or 50 PSI

Construction Details:

Body and bonnet: Ductile iron, Stem: Brass, Discs and spreader: Brass, Packing and gasket: PTFE, Hand-wheel: Aluminum, powder coated black, Expansion relief: Brass with FKM quad-ring (Model 534DI/BDI).