http://www.andastainlessfitting.com/steel-pipe-blog/Gate Valve,check valve,Quick Coupling - RainbowSoft Studio Z-Blog 1.8 Walle Build 100427zh-CNCopyright Anda Stainless Steel Products Co., Ltd. 2010.Tel:+86-318-7523611 Fax:+86-318-7520114 Email:ynyongjun@yahoo.com Web:http://www.andastainlessfitting.comThu, 23 May 2013 05:10:17 +0800a@b.com (prwiremesh)http://www.andastainlessfitting.com/steel-pipe-blog/MESH/5.htmlMon, 17 Oct 2011 23:25:22 +0800http://www.andastainlessfitting.com/steel-pipe-blog/MESH/5.htmlBall valves are belong to pipe vale that opens by turning a handle attached to a ball inside the valve. Ball valve is simplicity. The face to face standard is ASME B16.10 and the end connection standard is ASME B1.20.1, ASME B16.5, DIN2543-2551 and ASME B16.47. Therefore it's widely used for quick shut off and low emission application and can work to achieve perfect shutoff or closure even after years of not-in- use.

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