試驗壓力 Test pressure | 公稱壓力PN/MPa | |||||
1.0 | 1.6 | 2.5 | 4.O | 6.4 | 1O.0 | |
殼體強度試驗 Shell Strength test | 1.5 | 2.4 | 3.8 | 6.O | 9.6 | 15.0 |
密封試驗 Seal test | 1.1 | 1.8 | 2.8 | 4.4 | 7.0 | 11.O |
上密封試驗 Back seal test | 1.1 | 1.8 | 2.8 | 4.4 | 7.0 | 11.0 |
氣密封試驗 Leak- proofness test | 0.5~O.7 |
產(chǎn)品類別 Product classification | 適用溫度/℃ Working temperature | 適用介質(zhì) Suitable medium |
碳鋼型(C) Carbon steel | ≤425 | 水、蒸汽、油品、非腐蝕性氣體 Water,Stem,oilgoods non-corrosive gas |
合金鋼(I) Alloy steel | ≤540 |
產(chǎn)品類型 Product type | 零件名稱 Part name | |||||
閥體、閥蓋、支架 B0dy,BOnnet,Yoke | 閥桿 Valve rod | 閘板、閥瓣、密封面 Walge gate Disc Sealface | 閥座密封面 Seatring seal face | 閥桿螺母 Yoke nut | 填料 Packing | |
碳鋼型(C) Carbon steel | WCB 25 | 1Crl3 或2Crl3 | Crl3型不銹鋼或硬質(zhì)合金 Sainlesssteelor carbidealloy | 不銹鋼 Stainlesssteel | 鋁青銅 Albronze | 柔性石墨 F18xible graphite |
合金鋼(I) Alloy steel | WC6 Cr5M01 | 38CrMoAlA 20CrlM01VA | 鈷基合金 | 硬質(zhì)合金 Carbide alloy |