... & 150LB (3) Material: WCB, 304, 304L, 316 High pressure stainless steel gate valvesModel:Z41WSize:DN25-DN500Pressure:6.4MPA-10MPAMaterial: ... closing is easy3, the flow direction is unlimited. And the pressure will not be reduced.4, simple body, short length, fine ... +carbide alloyStemAlloy steelStem nutAl bronzeHand wheelCasting forgeable cast iron High pressure stainless steel gate valves