Butterfly valves

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Butterfly valves Page 9 Sommaire Summary Vannes à guillotine Knife gate valves Page 57 Clapets - Filtres Check valves - Strainers Page 113 Robinets à membrane Diaphragm valves Page 147 Vannes à o

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The Batley Swing-through butterfly valve has a basic 'equal percentage' characteristic but this is only true between the 10° and 60° open position. Beyond these points the characteristic deviates rapidly from the ideal and is not considered suitable for control purposes

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szvalves.com E-mail: info@szvp.cn Note: We reserve the right to modify or improve the designs or specifications of such products at any time without notice. Ordering Information 1. Type 11. Fluid Name & state (liquid, gas, steam, etc

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Butterfly Valves consist of two high-pressure die-cast semi-bodies manufactured from aluminium alloy, a swivel disc in SINT® polymer composite or cast iron, and a pre-stressed elastomer seal. For the

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