hot sales water pressure regulator valve

The Valve Pressure Gauge is superimposed as the thickness of the spray layer increases. When the metal of Marine Butterfly Valve coating solidifies and crystallizes, metal segregation is formed due to the existence of a large number of low-melting eutectic crystals, which creates conditions for the formation of cracks. The coarse grains and grain boundary embrittlement caused by the New Needle Valve and the crystallization of the cemented carbide greatly reduce the toughness of the...