【產品用途】
鍛鋼截止閥是一種常用的截斷閥，主要用來接通或截斷管路中的介質，一般不用于調節流量。截止閥適用的壓力、溫度范圍很大，本閥適用于小口徑的管道，密封面不易磨損、擦傷，密封性能好，啟閉時閥瓣行程小，啟閉時間較短，閥門高度較小
【執行標準】
設計制造：GB12224 GB/T12228 BG/T12235
結構長度：JB/T96-95
法蘭尺寸：JB/T82.1～82.4-94
檢驗和試驗：GB/T13927
【性能參數】
|
試驗項目（PN）
|
1.6
|
2.4
|
4.0
|
6.4
|
10.0
|
16.0
|
|
強度試驗
|
2.4
|
3.8
|
6.0
|
9.6
|
15.0
|
24.0
|
|
密封試驗
|
1.76
|
2.75
|
4.4
|
7.04
|
11.0
|
17.6
|
|
氣密封試驗
|
0.6
|
|
適用溫度
|
≤425℃
|
|
適用介質
|
水、油品、蒸氣
|
主要外形和連接尺寸
| 公稱通徑 |
主要外形尺寸和連接尺寸 |
| L |
d |
S |
L1 |
T |
L2 |
H |
D0 |
| J41H-16 CJ41H-25 J41H-40 J11H-16 CJ11H-25 J11H-40 J61H-16C J61H-25 J61H-40 |
| 15 |
90 |
13 |
22.5 |
10 |
1/2 |
15 |
159 |
98 |
| 20 |
100 |
18 |
28.5 |
11 |
3/4 |
17 |
190 |
112 |
| 25 |
120 |
23 |
34.5 |
12 |
1 |
19 |
208 |
126 |
| 32 |
140 |
29 |
43 |
14 |
1? |
21 |
216 |
166 |
| 40 |
170 |
36 |
49 |
15 |
1? |
21 |
247 |
188 |
| 50 |
200 |
46 |
61 |
16 |
2 |
25 |
290 |
220 |
| J41H-64 J11H-64 J61H-64 |
| 15 |
90 |
13 |
22.5 |
10 |
1/2 |
15 |
159 |
98 |
| 20 |
100 |
18 |
28.5 |
11 |
3/4 |
17 |
190 |
112 |
| 25 |
120 |
23 |
34.5 |
12 |
1 |
19 |
208 |
126 |
| 32 |
140 |
29 |
43 |
14 |
1? |
21 |
216 |
166 |
| 40 |
170 |
36 |
49 |
15 |
1? |
21 |
258 |
188 |
| 50 |
210 |
46 |
61 |
16 |
2 |
25 |
405 |
220 |
| 公稱通徑 |
主要外形尺寸和連接尺寸 |
| L |
d |
S |
L1 |
T |
L2 |
H |
D0 |
| J41H-100 J11H-100 J61H-100 |
| 15 |
90 |
13 |
22.5 |
10 |
1/2 |
15 |
159 |
98 |
| 20 |
100 |
18 |
28.5 |
11 |
3/4 |
17 |
190 |
112 |
| 25 |
120 |
23 |
34.5 |
12 |
1 |
19 |
208 |
126 |
| 32 |
140 |
29 |
43 |
14 |
1? |
21 |
216 |
166 |
| 40 |
170 |
26 |
49 |
15 |
1? |
21 |
258 |
188 |
| 50 |
210 |
46 |
61 |
16 |
2 |
25 |
405 |
220 |
| J41H-160 J11H-160 J61H-160 |
| 15 |
90 |
13 |
22.5 |
10 |
1/2 |
15 |
159 |
98 |
| 20 |
100 |
18 |
28.5 |
11 |
3/4 |
17 |
190 |
112 |
| 25 |
120 |
23 |
34.5 |
12 |
1 |
19 |
208 |
126 |
| 32 |
140 |
29 |
43 |
14 |
1? |
21 |
216 |
188 |
| 40 |
170 |
36 |
49 |
15 |
1? |
21 |
258 |
220 |
| 50 |
210 |
46 |
61 |
16 |
2 |
25 |
405 |
220 |