plunger valve by valve body, valve cover, stem, plunger, the hole planes, ring, hand wheel, etc. Parts ( As shown in figure) 。 When the hand wheel rotation, through the valve rod drives the plunger in the middle of the hole rack up and down reciprocating movement to complete the valves open and close function. In the Industrial Valves USES the interference fit between plunger and seal ring, by adjusting the gland flange bolts, make the seal ring in the compression side force of the products and the body hole sealing face the Great Wall and column round, so as to ensure the valve's sealing, put an end to the internal leakage, at the same time open valve torque is small, can realize rapid opening and closing of the valve. Due to seal ring with strong resilience, high wear resistance of nontoxic new sealing material, have suffered long-term high temperature, high pressure without losing elasticity, so the sealing performance, reliable and durable. Widely used in urban construction, chemical industry, metallurgy, petroleum, pharmaceutical, food, beverage and other industries.

resilient seated gate valve resilient gate valve, as the name suggests, find extensive use in os&y valve institutions. Since y gate valve has become much dependent on technology in today's world, there is wide use of such flanged gate valve.
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You will have a os & y valve fire protection that looks cast iron gate valve all the time, Because your is handling with it.