H71系列對(duì)夾升降式止回閥型號(hào)，材料說(shuō)明
|
配管法蘭 |
公稱壓力 |
常規(guī)產(chǎn)品型號(hào) | ||||||
|
JB/T 74 |
PN1.0MPa |
H71H-10C |
H71W-10P |
H71W-10P8 |
H71W-10P3 |
H71W-10R |
H71W-10R8 |
H71W-10R3 |
|
PN1.6MPa |
H71W-16C |
H71W-16P |
H71W-16P8 |
H71W-16P3 |
H71W-16R |
H71W-16R8 |
H71W-16R3 | |
|
PN2.5MPa |
H71W-25 |
H71W-25P |
H71W-25P8 |
H71W-25P3 |
H71W-25R |
H71W-25R8 |
H71W-25R3 | |
|
PN4.0MPa |
H71W-40 |
H71W-40P |
H71W-40P8 |
H71W-40P3 |
H71W-40R |
H71W-40R8 |
H71W-40R3 | |
|
PN6.3MPa |
H71W-63 |
H71W-63P |
H71W-63P8 |
H71W-63P3 |
H71W-63R |
H71W-63R8 |
H71W-63R3 | |
|
PN10.0MPa |
H71W-100 |
H71W-100P |
H71W-100P8 |
H71W-100P3 |
H71W-100R |
H71W-100R8 |
H71W-100R3 | |
|
PN16.0MPa |
H71W-160 |
H71W-160P |
H71W-160P8 |
H71W-160P3 |
H71W-160R |
H71W-160R8 |
H71W-160R3 | |
|
GB/T 9112 |
PN2.0MPa |
H71H-20C |
— |
H71W-20P8 |
H71W-20P3 |
— |
H71W-20R8 |
H71W-20R3 |
|
PN5.0MPa |
H71H-50 |
— |
H71W-50P8 |
H71W-50P3 |
— |
H71W-50R8 |
H71W-50R3 | |
|
PN11.0MPa |
H71H-110 |
— |
H71W-110P8 |
H71W-110P3 |
— |
H71W-110R8 |
H71W-110R3 | |
|
PN15.0MPa |
H71H-150 |
— |
H71W-150P8 |
H71W-150P3 |
— |
H71W-150R8 |
H71W-150R3 | |
|
ANSI B 16.5 |
Class150 |
H71H-A1C |
— |
H71W-A1P8 |
H71W-A1P3 |
— |
H71W-A1R8 |
H71W-A1R3 |
|
Class300 |
H71H-A3 |
— |
H71W-A3P8 |
H71W-A3P3 |
— |
H71W-A3R8 |
H71W-A3R3 | |
|
Class600 |
H71H-A6 |
— |
H71W-A6P8 |
H71W-A6P3 |
— |
H71W-A6R8 |
H71W-A6R3 | |
|
Class900 |
H71H-A9 |
— |
H71W-A9P8 |
H71W-A9P3 |
— |
H71W-A9R8 |
H71W-A9R3 | |
|
主 要 |
閥體 |
WCB(A105) |
ZG1Cr18Ni9Ti |
CF8(304) |
CF3(304L) |
ZG1Cr18Ni12Mo2Ti |
CF8M(316) |
CF3M(316L) |
|
閥瓣 |
2Cr13 |
1Cr18Ni9Ti |
0Cr18Ni9 |
00Cr19Ni10 |
1Cr18Ni12Mo2Ti |
0Cr17Ni12Mo2 |
00Cr17Ni14Mo2 | |
|
壓圈 |
2Cr13 |
1Cr18Ni9Ti |
0Cr18Ni9 |
00Cr19Ni10 |
1Cr18Ni12Mo2Ti |
0Cr17Ni12Mo2 |
00Cr17Ni14Mo2 | |
|
彈簧 |
0Cr18Ni9 |
0Cr18Ni9 |
0Cr18Ni9 |
00Cr19Ni10 |
0Cr17Ni12Mo2 |
0Cr17Ni12Mo2 |
00Cr17Ni14Mo2 | |
|
適 用 |
適用介質(zhì) |
水、蒸汽、油品等 |
硝酸等腐蝕性介質(zhì) |
強(qiáng)氧化性介質(zhì) |
醋酸等腐蝕性介質(zhì) |
尿素等腐蝕性介質(zhì) | ||
|
適用溫度(℃) |
-29~425 |
-196~540 |
-196~425 |
-196~540 |
-196~455 | |||
|
注：本表為常規(guī)對(duì)夾式止回閥的型號(hào)編制、主要零件材料及適用工況，其他要求及其型號(hào)編制參見(jiàn)對(duì)夾止回閥型號(hào)編制方法。 | ||||||||
公稱壓力 公稱通徑 螺栓孔 PN1.0 PN2.5 PN4.0
PN
MPa
DN
mm
尺寸(mm)
重量
(kg)
配管法蘭(供參考)
L
D
D3
D2D4
中心圓
直徑D1
螺栓數(shù)量
螺栓直徑d
螺栓長(zhǎng)度L1
MPa
PN1.6
MPa
(長(zhǎng)系列)
15
25
52
15
44
25
0.12
65
4
M12
75
20
31.5
62
19
52
30
0.24
75
4
M12
90
25
35.5
72
24
60
36
0.34
85
4
M12
90
32
38
83
31
72
43
0.53
100
4
M16
100
40
40
93
39
74
52
0.80
110
4
M16
105
50
44
107
48
98
62
1.2
125
4
M16
125
65
62
124
63
117
75
2.2
145
4
M16
130
80
65
138
78
128
90
3.1
160
8
M16
135
100
68
164
98
/
112
5.7
180
8
M16
150
125
86
188
123
/
132
10
210
8
M16
180
150
100
219
148
/
158
14
240
8
M20
210
200
110
270
198
/
208
24
295
8
M20
240
250
160
332
248
/
208
35
350
8
M20
260
MPa
(長(zhǎng)系列)
15
25
52
15
44
25
0.12
65
4
M12
80
20
31.5
62
19
52
30
0.24
75
4
M12
90
25
35.5
72
24
60
36
0.34
85
4
M12
90
32
40
83
31
72
43
0.53
100
4
M16
110
40
45
93
39
74
52
0.80
110
4
M16
115
50
56
109
48
98
62
1.2
125
4
M16
125
65
63
129
63
117
75
2.2
145
8
M16
135
80
71
144
78
128
90
3.1
160
8
M16
145
100
80
168
98
/
112
7.0
190
8
M20
160
125
110
196
123
/
132
12
220
8
M24
205
150
125
224
148
/
158
15
250
8
M24
225
200
160
284
198
/
208
26
310
12
M24
260
MPa
(長(zhǎng)系列)
15
/
52
15
44
25
0.12
65
4
M12
80
20
/
62
19
52
30
0.24
75
4
M12
90
25
/
72
24
60
36
0.34
85
4
M12
90
32
/
83
31
72
43
0.53
100
4
M16
110
40
/
93
39
74
52
0.80
110
4
M16
115
50
/
109
48
98
62
1.2
125
4
M16
125
65
/
129
62
117
75
2.2
145
8
M16
135
80
/
144
76
128
90
3.1
160
8
M16
145
100
/
168
95
/
112
9
190
8
M20
160
125
/
196
110
/
132
14
220
8
M24
205
150
/
224
127
/
158
18
250
8
M24
225
200
/
291
165
/
208
28
320
12
M27
275
公稱壓力 公稱通徑 螺栓孔 PN6.4 PN10.0 PN4.0
PN
MPa
DN
mm
尺寸(mm)
重量
(kg)
配管法蘭(供參考)
L
D
D3
D2D4
中心圓
直徑D1
螺栓數(shù)量
螺栓直徑d
螺栓長(zhǎng)度L1
MPa
15
25
62
15
25
0.5
75
4
M12
100
20
31.5
73
19
30
0.7
90
4
M16
115
25
35.5
83
24
36
1.0
100
4
M16
130
32
40
89
31
43
1.3
110
4
M20
140
40
45
104
39
52
2.0
125
4
M20
150
50
56
114
48
62
3.2
135
4
M20
160
65
63
138
63
75
4.5
160
8
M20
170
80
71
148
78
90
5
170
8
M20
180
100
80
174
98
112
7
200
8
M24
200
125
110
211
123
132
13
240
8
M27
245
150
125
248
148
158
22
280
8
M30
270
200
160
310
198
208
40
345
12
M33
325
MPa
15
25
62
15
25
0.6
75
4
M12
100
20
31.5
73
19
30
1.0
90
4
M16
115
25
35.5
83
24
36
1.3
100
4
M16
130
32
40
89
31
43
1.6
110
4
M20
140
40
45
104
39
52
2.5
125
4
M20
150
50
56
120
48
62
3.8
145
4
M24
175
65
63
144
63
75
6
170
8
M24
185
80
71
154
78
90
7
180
8
M24
195
100
80
181
98
112
10
210
8
,
M27
220
125
110
218
123
132
18
250
8
M30
265
150
125
258
148
158
30
290
12
M30
285
200
160
324
198
208
56
360
12
M33
345
MPa
(JB/T
74~90)
15
25
58
15
25
25
0.6
75
4
M16
70
20
31.5
69
19
30
30
0.9
90
4
M20
85
25
35.5
79
24
36
36
1.3
100
4
M20
90
32
40
92
31
43
43
1.7
115
4
M22
100
40
45
100
39
52
52
2.2
125
4
M24
110
50
56
143
48
62
62
5.6
165
8
M22
115
65
63
162
62
75
75
7.5
190
8
M27
130
80
71
176
76
90
90
9
205
8
M27
140
100
80
208
95
112
112
14
240
8
M30
155
125
110
247
110
125
132
27
285
8
M36
195
150
125
280
127
150
158
38
318
12
M36
210
200
160
356
165
200
208
76
400
12
M42
260
