CAST IRON GATE VALVE Non-rising stem,Solid wedge
閥體 BODY CAST IRON (FC20) 閥蓋 BONNET CAST IRON (FC20) 閥桿 STEM STAINLESS STEEL (410) 閥盤(pán) DISC CAST IRON (FC20) 座環(huán) SEAT RING CAST BRONZE (B62) 格蘭 GLAND DUCTILEIRON (FCD45) 迫緊 PACKING ASBESTOS 手輪 HANDWHEEL CAST IRON (FC20)
120°C以下之靜流水
120°C以下之脈動(dòng)水 14以上