技術要求:
1.閥門的制造與驗收按BS5153的規(guī)定.
2.閥門的結構長度按BS EN558-1中的Series 10的規(guī)定(DN50-400).
3.閥門的法蘭連接尺寸按BS EN1092,。
性能規(guī)范:
額定工作壓力 |
1.6MPa |
||
使用介質 |
water,oil, steam |
||
測試壓力 |
殼體 |
2.4MPa |
|
密封 |
1.6MPa |
||
測試時間 |
|
密封 |
殼體 |
≤50 |
15S |
15S |
|
65-150 |
60S |
60S |
|
200-300 |
120S |
120S |
|
≥350 |
120S |
300S |
結構尺寸——毫米:
規(guī)格 |
L |
D |
D1 |
D2 |
B |
n-d |
f |
H |
50 |
203.2 |
165 |
125 |
99 |
20 |
4-19 |
3 |
112 |
65 |
215.9 |
185 |
145 |
118 |
20 |
4-19 |
3 |
132 |
80 |
241.3 |
200 |
160 |
132 |
22 |
8-19 |
3 |
141 |
100 |
292.1 |
220 |
180 |
156 |
24 |
8-19 |
3 |
162 |
125 |
330.2 |
250 |
210 |
184 |
26 |
8-19 |
3 |
192 |
150 |
355.6 |
285 |
240 |
211 |
26 |
8-23 |
3 |
211 |
200 |
495.3 |
340 |
295 |
266 |
30 |
12-23 |
3 |
270 |
250 |
622.3 |
405 |
355 |
319 |
32 |
12-28 |
3 |
316 |
300 |
398.5 |
460 |
410 |
370 |
32 |
12-28 |
4 |
357 |
350 |
787.4 |
520 |
470 |
429 |
36 |
16-28 |
4 |
560 |
400 |
914 |
580 |
525 |
480 |
38 |
16-31 |
4 |
589 |
450 |
914 |
640 |
585 |
548 |
40 |
20-31 |
4 |
645 |
500 |
1016 |
715 |
650 |
609 |
42 |
20-34 |
4 |
702 |
600 |
1219 |
840 |
770 |
720 |
48 |
20-37 |
5 |
815 |
材料表:
18 |
銷 |
不銹鋼 |
BS970 302S25 |
GB1220-92 1Cr18Ni9 |
17 |
銘牌 |
鋁板 |
|
YB604-66 LY12 |
16 |
六角螺母 |
鋼 |
BS970 43A |
GB700-88 Q235 |
15 |
六角螺栓 |
鋼 |
BS970 43A |
GB700-88 Q235 |
14 |
墊片 |
石墨 |
|
GB3518-83 LC35-999 |
13 |
閥蓋 |
鑄鐵 |
BS1452 Gr.220 |
GB9439-88 HT250 |
12 |
掛栓 |
不銹鋼 |
BS970 302S25 |
GB1220-92 1Cr18Ni9 |
11 |
墊片 |
軟鋼紙板 |
|
|
10 |
邊栓 |
黃銅 |
BS2874 CZ122 |
YB146-71 HPb59-1 |
9 |
閥瓣螺釘 |
鋼 |
BS970 43A |
GB700-88 Q235 |
8 |
開口銷 |
不銹鋼 |
BS970 302S25 |
GB1220-92 1Cr18Ni9 |
7 |
螺母 |
鋼 |
BS970 43A |
GB700-88 Q235 |
6 |
墊圈 |
鋼 |
BS970 43A |
GB700-88 Q235 |
5 |
搖桿 |
球墨鑄鐵 |
BS2789 Gr420-12 |
GB1348 QT450-10 |
4 |
閥瓣 |
鑄鐵 |
BS1452 Gr.220 |
GB9439-88 HT250 |
3 |
閥瓣密封圈 |
鑄青銅 |
BS1400 LG2 |
GB1176-87 ZCuSn5Zn5Pb5 |
2 |
閥體密封圈 |
鑄青銅 |
BS1400 LG2 |
GB1176-87 ZCuSn5Zn5Pb5 |
1 |
閥體 |
鑄鐵 |
BS1452 Gr.220 |
GB9439-88 HT250 |
序號 |
名稱 |
材料 |
英國標準 |
中國標準 |