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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 |
產品類別 Product classification |
適用溫度/℃ Working temperature |
適用介質 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 |
硬質合金 Carbide alloy |
公稱通徑 DN/mm Nominal diameter |
L | α | H | DO | PNl.6/MPa | PN2.5/MPa | ||
D | D1 | D | D1 | |||||
50 | 250 | 37o30 | 334 | 250 | 58 | 50 | 64 | 4g |
65 | 270 | 37o30 | 439 | 250 | 75 | 65 | 82 | 67 |
80 | 280 | 37o30 | 495 | 300 | 91 | 79 | 95 | 77 |
100 | 300 | 37o30 | 575 | 350 | 11O | 97 | 117 | 101 |
125 | 325 | 37o30 | 587 | 350 | 136 | 121 | 144 | 126 |
150 | 350 | 37o30 | 607 | 350 | 163 | 146 | 172 | 158 |
200 | 400 | 37o30 | 740 | 400 | 223 | 202 | 223 | 202 |
250 | 450 | 37o30 | 863 | 400 | 278 | 254 | 278 | 254 |
300 | 500 | 37o30 | 990 | 400 | 330 | 305 | 330 | 305 |
350 | 550 | 37o30 | 1137 | 500 | 382 | 352 | 382 | 352 |
400 | 600 | 37o30 | 1523 | 500 | 432 | 399 | 432 | 39g |
450 | 650 | 37o30 | 1618 | 600 | 485 | 451 | 485 | 451 |
500 | 700 | 37o30 | 1657 | 600 | 535 | 501 | 535 | 499 |
600 | 800 | 37o30 | 1746 | 700 | 636 | 601 | 636 | 599 |