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Ventilating Butterfly Valves

■Structural features
Featured by reasonable design, small moment, easy operation, quick open/close, light weight and low price, this type of butterfly valves are used for ventilation and flow regulation of media in pipeline.

■Standard specifications 

Design and Manufacture
Structure Length
Flange Standard
Test Standard
GB12238
GB/T 12221
 
GB/T9112~9124
HG20592~20614
JB/T74~90
HG20615~20635
SH3406
GB/T13402
ASME B16.5
ASME B16.47
MSS SP-44
GB/T13927

 

■Body material
Gray cast iron (HT200 and HT250 )
Spheroidal graphite cast iron (QT400 and QT450 )
Carbon steel (WCB, WCC and LCB)
Chromium-molybdenum steel (WC5, WC6 and WC9)
Alloy steel
Stainless steel (CF3, CF8, CF3M, CF8M, ZG1Cr18Ni9Ti and ZG1Cr18Ni12Mo2Ti)
■Trim material  
Stainless steel ( 2Cr13, 1Cr18Ni9, 1Cr18Ni9Ti, 1Cr18Ni12Mo2Ti, 304, 316, 304L and 316L )
Carbon steel   
Chromium-molybdenum steel
Special steel
■Driving mode: manual, worm geared, electric, pneumatic, hydraulic and electro-hydraulic etc.

 

 

Related Category: Butterfly Valves

Related Keywords: Cast Steel Butterfly Valves  Stainless Wafer Butterfly Valves  Stainless Steel Butterfly Valves