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 |
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 |
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 |