Sell Ventilating Butterfly Valves

Description

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. â– Standard specifications Design and Manufacture Structure Length Flange Standard Test Standard GB****8 GB/T ****1 GB/T***2ï&frac*2;ž***4 HG****2ï&frac*2;ž****4 JB/T*4ï&frac*2;ž*0 HG****5ï&frac*2;ž****5 SH***6 GB/T****2 ASME B*6.5 ASME B*6.*7 MSS SP**4 GB/T****7 â– Body material Gray cast iron (HT**0 and HT**0 ) Spheroidal graphite cast iron (QT**0 and QT**0 ) Carbon steel (WCB, WCC and LCB) Chromium-molybdenum steel (WC5, WC6 and WC9) Alloy steel Stainless steel (CF3, CF8, CF3M, CF8M, ZG1Cr*8Ni9Ti and ZG1Cr*8Ni*2Mo2Ti) â– Trim material　　 Stainless steel ( 2Cr*3, 1Cr*8Ni9, 1Cr*8Ni9Ti, 1Cr*8Ni*2Mo2Ti, **4, **6, **4L and **6L ) Carbon steel 　　 Chromium-molybdenum steel Special steel â– Driving mode: manual, worm geared, electric, pneumatic, hydraulic and electro-hydraulic etc.