Product name:Electric vacuum butterfly valve
Nominal Diameter：50～400mm
Suitable Temperature: -25～+ 80 ℃ (sealing material of butyl rubber) -30～ + 150 ℃ (sealing material for fluorine rubber)
Suitable for:≤1.3×10-5
Gas leakage rate:Fast discharge flange (KF) 2× 105～1.3 × 10-5 Live set of flange 16 x 105～1.3 × 10-5
The main materials:stainless steel
