butterfly valve

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butterfly valve
Posting date : Dec 15, 2008
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73-
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Detailed Description
General: Butterfly valve with advantages of simple construction, small resistance coefficient, no draffy , small driven tensional moment, mainly used in the industry environmental filed, wastewater treatment, tall building and water pipe-way for making and breaking or adjusting material volume. According to the different requirements of customer, the driven device is respectively designed as manual, pneumatic, electrodynamics and so on. Standard: Connection dimension: GB4216.4-84,GB9115.8-88 Product length: GB12221-89 Pressure test: GB/T13927-92,ZBJ16006-90 Contracture characteristic and technical parameter: 1. simple and compact structure, lightweight, easy to be install and disassembly. 2. 90°opening and shutting and swift, small tensional moment, labor-saving and lightweight. 3. good sealing, longevity 4. different material to apply for different materials. 5. runoff volume close to a beeline, easy to adjust.

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