9000+
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1000+When the credit status reflecting a corporate credit situation is quantified as the specific value of credit point, plus the value of credit point accumulated in the course of longtime online trading, it is turned out to be the credit point for this company.
Quarter turn valve is a kind of valve that which can be open and close by 90°rotation. Its body style can be classified into flat-style, lug style, grooved butterfly style and flanged butterfly style. The flat-style is installed between to pipe, the installment is convenient, but it can not be used as an isolation valve; the lug style is the one which connected by flange; the grooved butterfly style is directly connected to the pipe by cast iron; and the flange butterfly valve meets the American National Standards Institute (ANSI) B16.10, 125pound and 150pound standard ball.
The quarter turn valve is characterized in its resilient seat, the broad range of throttling capability, broad selection of trim materials, higher cycle life and more cost-effective comparing with other kind of valves. However, this kind of valve can not be used with steam.The quarter turn valve is usually used in the pneumatic output system and collection system, such as dust and small particles of materials, and also some other industries as environment protection, metallurgy, chemical, food, cement, road construction and dry.
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