kalka
Posts : 116
Join date : 2010-04-30
 |  Subject: Cast-steel gate valve Wed Dec 01, 2010 12:20 am | |
| Cast-steel gate valve belongs to gate valves which contains cast-steel gate valve and forged steel gate valve that are designed and manufactured according to ANSI B16.34. With two types of wedge-solid wedge and flexible wedge, it can be used for different pressure it has back seal which is weld with stainless steel. With convenient maintenance, ANSI Cast-steel gate valve is widely used in petroleum, chemistry, water treatment industries. | |
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