该阀由阀体、阀瓣、弹簧等组成，水平或垂直安装于管路系统，防止介质倒流，具有结构短、体积小、质量轻；阀瓣关闭快速，水锤压力小；流道通畅，流体阻力小；动作灵敏，密封性能好。H71对夹升降式止回阀的流体阻力系数、流量用开启压力
| 公称通径 |
阀门全开启时的流体阻力系数ζ |
常温下阀门全开启时的水流量系数 |
流体的流向 |
| DN |
NPS |
Kv(m3/h) |
CV(U.S) |
CV(U.K) |
↑ |
↓ |
→ |
| 开启压力近似的值KPa |
| 15 |
1/2 |
6.4 |
2.6 |
3.0 |
2.5 |
3 |
2 |
2.5 |
| 20 |
3/4 |
5.1 |
6.4 |
7.5 |
6.3 |
3 |
2 |
2.5 |
| 25 |
1 |
4.1 |
12.6 |
14.8 |
12.3 |
3 |
2 |
2.5 |
| 32 |
11/4 |
4.1 |
19.7 |
23.1 |
19.3 |
3 |
2 |
2.5 |
| 40 |
11/2 |
3.8 |
29.5 |
34.5 |
28.9 |
3 |
2 |
2.5 |
| 50 |
2 |
3.5 |
54.6 |
63.9 |
53.5 |
3 |
2 |
2.5 |
| 65 |
21/2 |
3.5 |
85.4 |
99.9 |
83.7 |
3 |
2 |
2.5 |
| 80 |
3 |
3.2 |
128 |
150 |
125 |
3 |
2 |
2.5 |
| 100 |
4 |
2.8 |
244 |
286 |
249 |
3 |
2 |
2.5 |
| 125 |
5 |
2.9 |
375 |
439 |
368 |
3 |
1 |
2.2 |
| 150 |
6 |
3.1 |
522 |
611 |
512 |
3 |
1 |
2.2 |
| 200 |
8 |
3.2 |
915 |
1070 |
897 |
3 |
1 |
2.2 |
H71系列对夹升降式止回阀的型号、材料及主要参数
|
配管法兰 |
公称压力 |
常规产品型号 |
|
JB/T74～90、GB/T9112～9124、HG20592～20614 |
PN1.0MPa |
H71H-10C |
H71W-10P |
H71W-10P8 |
H71W-10P3 |
H71W-10R |
H71W-10R8 |
H71W-10R3 |
|
PN1.6MPa |
H71H-16C |
H71W-16P |
H71W-16P8 |
H71W-16P3 |
H71W-16R |
H71W-16R8 |
H71W-16R3 |
|
PN2.5MPa |
H71H-25 |
H71W-25P |
H71W-25P8 |
H71W-25P3 |
H71W-25R |
H71W-25R8 |
H71W-25R3 |
|
PN4.0MPa |
H71H-40C |
H71W-40P |
H71W-40P8 |
H71W-40P3 |
H71W-40R |
H71W-40R8 |
H71W-40R3 |
|
PN6.3MPa |
H71H-63 |
H71W-63P |
H71W-63P8 |
H71W-63P3 |
H71W-63R |
H71W-63R8 |
H71W-63R3 |
|
PN10.0MPa |
H71H-100 |
H71W-100P |
H71W-100P8 |
H71W-100P3 |
H71W-100R |
H71W-100R8 |
H71W-100R3 |
|
PN16.0MPa |
H71H-160 |
H71W-160P |
H71W-160P8 |
H71W-160P3 |
H71W-160R |
H71W-160R8 |
H71W-160R3 |
|
GB/T9112～9124、HG20615～20635、SH3406 |
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 |
|
ANSIB16.5 |
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 |
|
主要零件材料
|
阀体 |
WCB(A105) |
ZG1Cr18Ni9Ti |
CF8(304) |
CF8(304L) |
ZG1Cr18Ni12Mo2Ti |
CF8M(316) |
CF3M(316L) |
|
阀瓣 |
2Cr13 |
1Cr18Ni9Ti |
0Cr18Ni9 |
00Cr19Ni10 |
1Cr18Ni12Mo2Ti |
0Cr17Ni12Mo2 |
00Cr17Ni12Mo2 |
|
压圈 |
2Cr13 |
1Cr18Ni9Ti |
0Cr18Ni9 |
00Cr19Ni10 |
1Cr18Ni12Mo2Ti |
0Cr17Ni12Mo2 |
00Cr17Ni12Mo2 |
|
弹簧 |
0Cr18Ni9 |
0Cr18Ni9 |
0Cr18Ni9 |
00Cr19Ni10 |
01Cr17Ni12Mo2 |
0Cr17Ni12Mo2 |
00Cr17Ni12Mo2 |
|
适用工况 |
适用介质 |
水、蒸气、油品等 |
硝酸等腐蚀性介质 |
强氧化性介质 |
醋酸等腐蚀性介质 |
尿素等腐蚀性介质 |
|
适用温度(℃) |
-29～425 |
-196～540
|
-196～425 |
-196～540 |
-196～455 |
|
注:本表为常规对夹式止回阀的型号编制、主要零件材料及适用工况,其他要求及其型号编制参见对夹止回阀型号编制方法.
|
H71系列对夹升降式止回阀主要尺寸及重量
| 公称压力PNMPa |
公称通经DNmm |
尺寸(mm) |
重量(kg) |
配管法兰(供参考) |
| L |
D |
D2 |
D3 |
D4 |
D5 |
螺栓孔中心圆直径D1 |
螺栓数量 |
螺栓直径d |
螺栓长度L1 |
| PN1.0MPaPN1.6MPa |
15 |
16 |
52 |
15 |
24 |
31 |
40 |
0.12 |
65 |
4 |
M12 |
75 |
| PN1.0MPaPN1.6MPa |
20 |
19 |
62 |
19 |
30 |
40 |
50 |
0.24 |
75 |
4 |
M12 |
90 |
| PN1.0MPaPN1.6MPa |
25 |
22 |
72 |
24 |
36 |
47 |
58 |
0.34 |
85 |
4 |
M12 |
90 |
| PN1.0MPaPN1.6MPa |
32 |
28 |
83 |
31 |
46 |
56 |
6 8 |
0.53 |
100 |
4 |
M16 |
100 |
| PN1.0MPaPN1.6MPa |
40 |
31.5 |
93 |
39 |
55 |
66 |
78 |
0.80 |
125 |
4 |
M16 |
105 |
| PN1.0MPaPN1.6MPa |
50 |
40 |
108 |
48 |
65 |
78 |
90 |
1.2 |
145 |
4 |
M16 |
125 |
| PN1.0MPaPN1.6MPa |
65 |
46 |
128 |
62 |
80 |
95 |
110 |
1.8 |
160 |
4 |
M16 |
130 |
| PN1.0MPaPN1.6MPa |
80 |
50 |
142 |
76 |
96 |
110 |
128 |
2.2 |
180 |
8 |
M16 |
135 |
| PN1.0MPaPN1.6MPa |
100 |
60 |
162 |
95 |
115 |
135 |
150 |
3.4 |
210 |
8 |
M16 |
150 |
| PN1.0MPaPN1.6MPa |
125 |
90 |
192 |
110 |
125 |
132 |
— |
9.0 |
240 |
8 |
M16 |
180 |
| PN1.0MPaPN1.6MPa |
150 |
106 |
218 |
127 |
150 |
158 |
— |
14 |
295 |
8 |
M20 |
210 |
| PN1.0MPa |
200 |
140 |
273 |
165 |
200 |
208 |
— |
24 |
295 |
8 |
M20 |
240 |
| PN1.6MPa |
200 |
140 |
273 |
165 |
200 |
208 |
— |
24 |
295 |
12 |
M20 |
240 |
| PN2.5MPa |
15 |
16 |
52 |
15 |
24 |
31 |
40 |
0.12 |
65 |
4 |
M12 |
80 |
| PN2.5MPa |
20 |
19 |
62 |
19 |
30 |
40 |
50 |
0.24 |
75 |
4 |
M12 |
90 |
| PN2.5MPa |
25 |
22 |
72 |
24 |
36 |
47 |
58 |
0.34 |
85 |
4 |
M12 |
90 |
| PN2.5MPa |
32 |
28 |
83 |
31 |
46 |
56 |
68 |
0.53 |
100 |
4 |
M16 |
110 |
| PN2.5MPa |
40 |
31.5 |
93 |
39 |
55 |
66 |
78 |
0.80 |
110 |
4 |
M16 |
115 |
| PN2.5MPa |
50 |
40 |
108 |
8 |
65 |
78 |
90 |
1.2 |
125 |
4 |
M16 |
125 |
| PN2.5MPa |
65 |
46 |
128 |
62 |
80 |
95 |
110 |
1.8 |
145 |
8 |
M16 |
135 |
| PN2.5MPa |
80 |
50 |
142 |
76 |
96 |
110 |
128 |
2.2 |
160 |
8 |
M16 |
145 |
| PN2.5MPa |
100 |
60 |
168 |
95 |
115 |
135 |
150 |
3.8 |
190 |
8 |
M20 |
160 |
| PN2.5MPa |
125 |
90 |
194 |
110 |
125 |
132 |
— |
9.2 |
220 |
8 |
M24 |
205 |
| PN2.5MPa |
150 |
106 |
224 |
127 |
150 |
158 |
— |
15 |
250 |
8 |
M24 |
225 |
| PN2.5MPa |
200 |
140 |
284 |
165 |
200 |
208 |
— |
26 |
310 |
12 |
M24 |
260 |
| PN4.0MPa |
15 |
16 |
52 |
15 |
24 |
31 |
40 |
0.12 |
65 |
4 |
M12 |
80 |
| PN4.0MPa |
20 |
19 |
62 |
19 |
30 |
40 |
50 |
0.24 |
75 |
4 |
M12 |
90 |
| PN4.0MPa |
25 |
22 |
72 |
24 |
36 |
47 |
58 |
0.34 |
85 |
4 |
M12 |
90 |
| PN4.0MPa |
32 |
28 |
83 |
31 |
46 |
56 |
68 |
0.53 |
100 |
4 |
M16 |
110 |
| PN4.0MPa |
40 |
31.5 |
93 |
39 |
55 |
66 |
78 |
0.80 |
110 |
4 |
M16 |
115 |
| PN4.0MPa |
50 |
40 |
108 |
48 |
65 |
78 |
90 |
1.2 |
125 |
4 |
M16 |
125 |
| PN4.0MPa |
65 |
46 |
128 |
62 |
80 |
95 |
110 |
1.8 |
145 |
8 |
M16 |
135 |
| PN4.0MPa |
80 |
50 |
142 |
76 |
96 |
110 |
128 |
2.2 |
160 |
8 |
M16 |
145 |
| PN4.0MPa |
100 |
60 |
168 |
95 |
115 |
135 |
150 |
3.8 |
190 |
8 |
M20 |
160 |
| PN4.0MPa |
125 |
90 |
194 |
110 |
125 |
132 |
— |
9.2 |
220 |
8 |
M24 |
205 |
| PN4.0MPa |
150 |
106 |
224 |
127 |
150 |
158 |
— |
15 |
250 |
8 |
M24 |
205 |
| PN4.0MPa |
200 |
140 |
291 |
165 |
200 |
208 |
— |
28 |
320 |
12 |
M27 |
275 |
H71系列对夹升降式止回阀主要尺寸及重量
|
公称压力PNMPa |
公称通经DNmm |
尺寸(mm) |
重量(kg) |
配管法兰(供参考) |
|
L |
D |
D2 |
D3 |
D4 |
螺栓孔中心圆直径D1 |
螺栓数量 |
螺栓直径d |
螺栓长度L1 |
|
PN1.0MPaPN1.6MPa(长系列) |
15 |
25 |
52 |
15 |
25 |
25 |
0.3 |
65 |
4 |
M12 |
90 |
| PN1.0MPaPN1.6MPa(长系列) |
20 |
31.5 |
62 |
19 |
30 |
30 |
0.45 |
75 |
4 |
M12 |
100 |
| PN1.0MPaPN1.6MPa(长系列) |
25 |
35.5 |
72 |
24 |
36 |
36 |
0.6 |
85 |
4 |
M12 |
105 |
| PN1.0MPaPN1.6MPa(长系列) |
32 |
40 |
83 |
31 |
43 |
43 |
0.8 |
100 |
4 |
M16 |
115 |
| PN1.0MPaPN1.6MPa(长系列) |
40 |
45 |
93 |
39 |
52 |
52 |
1.4 |
110 |
4 |
M16 |
120 |
| PN1.0MPaPN1.6MPa(长系列) |
50 |
56 |
108 |
8 |
62 |
62 |
2.3 |
125 |
4 |
M16 |
140 |
| PN1.0MPaPN1.6MPa(长系列) |
65 |
63 |
128 |
62 |
75 |
75 |
3.0 |
145 |
4 |
M16 |
150 |
| PN1.0MPaPN1.6MPa(长系列) |
80 |
71 |
142 |
76 |
90 |
90 |
3.8 |
160 |
8 |
M16 |
155 |
| PN1.0MPaPN1.6MPa(长系列) |
100 |
80 |
162 |
95 |
112 |
112 |
5.0 |
180 |
8 |
M16 |
170 |
| PN1.0MPaPN1.6MPa(长系列) |
125 |
110 |
192 |
110 |
125 |
132 |
11 |
210 |
8 |
M16 |
200 |
| PN1.0MPaPN1.6MPa(长系列) |
150 |
125 |
218 |
127 |
150 |
158 |
16 |
240 |
8 |
M20
|
225 |
|
PN1.0MPa |
200 |
160 |
273 |
165 |
200
|
208 |
28 |
295 |
8 |
M20 |
260 |
|
PN1.6MPa |
200 |
160 |
273 |
165 |
200 |
208 |
28 |
295 |
12 |
M20 |
260 |
|
PN2.5MPa（长系列） |
15 |
25 |
52 |
15 |
25 |
25 |
0.3 |
65 |
4 |
M12 |
90 |
| PN2.5MPa（长系列） |
20 |
31.5 |
62 |
19 |
30 |
30 |
0.45 |
75 |
4 |
M12 |
100 |
| PN2.5MPa（长系列） |
25 |
35.5 |
72 |
24 |
36 |
36 |
0.6 |
85 |
4 |
M12 |
105 |
| PN2.5MPa（长系列） |
32 |
40 |
83 |
31 |
43 |
43 |
0.8 |
100 |
4 |
M16 |
115 |
| PN2.5MPa（长系列） |
40 |
45 |
93 |
39 |
52 |
52 |
1.4 |
110 |
4 |
M16 |
120 |
| PN2.5MPa（长系列） |
50 |
56 |
108 |
48 |
62 |
62 |
2.3 |
125 |
4 |
M16 |
140 |
| PN2.5MPa（长系列） |
65 |
63 |
128 |
62 |
75 |
75 |
3.0 |
145 |
8 |
M16 |
150 |
| PN2.5MPa（长系列） |
80 |
71 |
142 |
76 |
90 |
90 |
3.8 |
160 |
8 |
M16 |
165 |
| PN2.5MPa（长系列） |
100 |
80 |
168 |
95 |
112 |
112 |
5.3 |
190 |
8 |
M20 |
180 |
| PN2.5MPa（长系列） |
125 |
110 |
194 |
110 |
125 |
132 |
12 |
220 |
8 |
M24 |
225 |
| PN2.5MPa（长系列） |
150 |
125 |
224 |
127 |
150 |
158 |
18 |
250 |
8 |
M24 |
245 |
| PN2.5MPa（长系列） |
200 |
160 |
284 |
165 |
200 |
208 |
30 |
310 |
12 |
M24 |
285 |
|
PN4.0MPa（长系列） |
15 |
25 |
52 |
15 |
25 |
25 |
0.3 |
65 |
4 |
M12 |
90 |
| PN4.0MPa（长系列） |
20 |
31.5 |
62 |
19 |
30 |
30 |
0.45 |
75 |
4 |
M12 |
100 |
| PN4.0MPa（长系列） |
25 |
35.5 |
72 |
24 |
36 |
36 |
0.6 |
85 |
4 |
M12 |
105 |
| PN4.0MPa（长系列） |
32 |
40 |
83 |
31 |
43 |
43 |
0.8 |
100 |
4 |
M16 |
115 |
| PN4.0MPa（长系列） |
40 |
45 |
93 |
39 |
52 |
52 |
1.4 |
110 |
4 |
M16 |
120 |
| PN4.0MPa（长系列） |
50 |
56 |
108 |
8 |
62 |
62 |
2.3 |
125 |
4 |
M16 |
140 |
| PN4.0MPa（长系列） |
65 |
63 |
128 |
62 |
75 |
75 |
3.0 |
145 |
8 |
M16 |
150 |
| PN4.0MPa（长系列） |
80 |
71 |
142 |
76 |
90 |
90 |
3.8 |
160 |
8 |
M16 |
165 |
| PN4.0MPa（长系列） |
100 |
80 |
168 |
95 |
112 |
112 |
5.3 |
190 |
8 |
M20 |
180 |
| PN4.0MPa（长系列） |
125 |
110 |
194 |
110 |
125 |
132 |
13 |
220 |
8 |
M24 |
225 |
| PN4.0MPa（长系列） |
150 |
125 |
224 |
127 |
150 |
158 |
19 |
250 |
8 |
M24 |
245 |
| PN4.0MPa（长系列） |
200 |
160 |
291 |
165 |
200 |
208 |
32 |
320 |
12 |
M27 |
295 |
| 公称压力PNMPa |
公称通经DNmm |
尺寸(mm) |
重量(kg) |
配管法兰(供参考) |
| L |
D |
D2 |
D3 |
D4 |
螺栓孔中心圆直径D1 |
螺栓数量 |
螺栓直径d |
螺栓长度L1 |
| PN6.3MPa |
15 |
25 |
62 |
15 |
25 |
25 |
0.5 |
75 |
4 |
M12 |
100 |
| PN6.3MPa |
20 |
31.5 |
73 |
19 |
30 |
30 |
0.7 |
90 |
4 |
M16 |
115 |
| PN6.3MPa |
25 |
35.5 |
83 |
24 |
36 |
36 |
1.0 |
100 |
4 |
M16 |
130 |
| PN6.3MPa |
32 |
40 |
89 |
31 |
43 |
43 |
1.3 |
110 |
4 |
M20 |
140 |
| PN6.3MPa |
40 |
45 |
104 |
39 |
52 |
52 |
2.0 |
125 |
4 |
M20 |
150 |
| PN6.3MPa |
50 |
56 |
114 |
48 |
62 |
62 |
3.2 |
135 |
4 |
M20 |
160 |
| PN6.3MPa |
65 |
63 |
138 |
62 |
75 |
75 |
.5 |
160 |
8 |
M20 |
170 |
| PN6.3MPa |
80 |
71 |
148 |
76 |
90 |
90 |
5 |
170 |
8 |
M20 |
180 |
| PN6.3MPa |
100 |
80 |
174 |
95 |
112 |
112 |
7 |
200 |
8 |
M24 |
200 |
| PN6.3MPa |
125 |
110 |
211 |
110 |
125 |
132 |
13 |
240 |
8 |
M27 |
245 |
| PN6.3MPa |
150 |
125 |
248 |
127 |
150 |
158 |
22 |
280 |
8 |
M30 |
270 |
| PN6.3MPa |
200 |
160 |
310 |
165 |
200 |
208 |
40 |
345 |
12 |
M33 |
325 |
| PN10.0MPa |
15 |
25 |
62 |
15 |
25 |
25 |
0.6 |
75 |
4 |
M12 |
100 |
| PN10.0MPa |
20 |
31.5 |
73 |
19 |
30 |
30 |
1.0 |
90 |
4 |
M16 |
115 |
| PN10.0MPa |
25 |
35.5 |
83 |
24 |
36 |
36 |
1.3 |
100 |
4 |
M16 |
130 |
| PN10.0MPa |
32 |
40 |
89 |
31 |
43 |
43 |
1.6 |
110 |
4 |
M20 |
140 |
| PN10.0MPa |
40 |
45 |
104 |
39 |
52 |
52 |
2.5 |
125 |
4 |
M20 |
150 |
| PN10.0MPa |
50 |
56 |
120 |
48 |
62 |
62 |
3.8 |
145 |
4 |
M24 |
175 |
| PN10.0MPa |
65 |
63 |
144 |
62 |
75 |
75 |
6 |
170 |
8 |
M24 |
185 |
| PN10.0MPa |
80 |
71 |
154 |
76 |
90 |
90 |
7 |
180 |
8 |
M24 |
195 |
| PN10.0MPa |
100 |
80 |
181 |
95 |
112 |
112 |
10 |
210 |
8 |
M27 |
220 |
| PN10.0MPa |
125 |
110 |
218 |
110 |
125 |
132 |
18 |
250 |
8 |
M30 |
265 |
| PN10.0MPa |
150 |
125 |
258 |
127 |
150 |
158 |
30 |
290 |
12 |
M30 |
285 |
| PN10.0MPa |
200 |
160 |
324 |
165 |
200 |
208 |
56 |
360 |
12 |
M33 |
345 |
| PN16.0MPa（JB/T74～90） |
15 |
25 |
58 |
15 |
25 |
25 |
0.6 |
75 |
4 |
M16 |
70 |
| PN16.0MPa（JB/T74～90） |
20 |
31.5 |
69 |
19 |
30 |
30 |
0.9 |
90 |
4 |
M20 |
85 |
| PN16.0MPa（JB/T74～90） |
25 |
35.5 |
79 |
24 |
36 |
36 |
1.3 |
100 |
4 |
M20 |
90 |
| PN16.0MPa（JB/T74～90） |
32 |
40 |
92 |
31 |
43 |
43 |
1.7 |
115 |
4 |
M22 |
100 |
| PN16.0MPa（JB/T74～90） |
40 |
45 |
100 |
39 |
52 |
52 |
2.2 |
125 |
4 |
M24 |
110 |
| PN16.0MPa（JB/T74～90） |
50 |
56 |
142 |
48 |
62 |
62 |
5.6 |
165 |
8 |
M22 |
115 |
| PN16.0MPa（JB/T74～90） |
65 |
63 |
162 |
62 |
75 |
75 |
7.5 |
190 |
8 |
M27 |
130 |
| PN16.0MPa（JB/T74～90） |
80 |
71 |
176 |
76 |
90 |
90 |
9 |
205 |
8 |
M27 |
140 |
| PN16.0MPa（JB/T74～90） |
100 |
80 |
208 |
95 |
112 |
112 |
14 |
240 |
8 |
M30 |
155 |
| PN16.0MPa（JB/T74～90） |
125 |
110 |
247 |
110 |
125 |
132 |
27 |
285 |
8 |
M36 |
195 |
| PN16.0MPa（JB/T74～90） |
150 |
125 |
280 |
127 |
150 |
158 |
38 |
318 |
12 |
M36 |
210 |
| PN16.0MPa（JB/T74～90） |
200 |
160 |
356 |
165 |
200 |
208 |
76 |
400 |
12 |
M42 |
260 |
| 公称压力PNMPa |
公称通经DNmm |
尺寸(mm) |
重量(kg) |
配管法兰(供参考) |
| L |
D |
D2 |
D3 |
D4 |
螺栓孔中心圆直径D1 |
螺栓数量 |
螺栓直径d |
螺栓长度L1 |
| PN6.3MPa |
15 |
25 |
62 |
15 |
25 |
25 |
0.6 |
75 |
4 |
M12 |
115 |
| PN6.3MPa |
20 |
31.5 |
73 |
19 |
30 |
30 |
1.0 |
90 |
4 |
M16 |
135 |
| PN6.3MPa |
25 |
35.5 |
83 |
24 |
36 |
36 |
1.3 |
100 |
4 |
M16 |
145 |
| PN6.3MPa |
32 |
40 |
89 |
31 |
43 |
43 |
1.6 |
110 |
4 |
M20 |
160 |
| PN6.3MPa |
40 |
45 |
104 |
39 |
52 |
52 |
2.5 |
125 |
4 |
M20 |
170 |
| PN6.3MPa |
50 |
56 |
120 |
48 |
62 |
62 |
3.8 |
145 |
4 |
M24 |
195 |
| PN6.3MPa |
65 |
63 |
144 |
62 |
75 |
75 |
6 |
170 |
8 |
M24 |
210 |
| PN6.3MPa |
80 |
71 |
154 |
76 |
90 |
90 |
7 |
180 |
8 |
M24 |
225 |
| PN6.3MPa |
100 |
80 |
181 |
95 |
112 |
112 |
10 |
210 |
8 |
M27 |
250 |
| PN6.3MPa |
125 |
110 |
218 |
110 |
125 |
132 |
18 |
250 |
8 |
M30 |
295 |
| PN6.3MPa |
150 |
125 |
258 |
127 |
150 |
158 |
30 |
290 |
12 |
M30 |
325 |
| PN6.3MPa |
200 |
160 |
325 |
165 |
200 |
208 |
58 |
360 |
12 |
M33 |
375 |
注：1、不同的法兰标准其尺寸有一定期的差异，故配管法兰的螺栓直径d、螺栓长度L
1等尺寸仅供参考．本表中配管法兰尺寸主要以ＪＢ／Ｔ７４～９０标准系列２为依据．
| 压力级 |
口径 |
尺寸（mm） |
重量(kg) |
配管法兰（供参考） |
| NPS |
DN |
L |
D |
D2 |
D3 |
D4 |
螺栓孔中心圆直径D1 |
螺栓数量 |
螺栓直径d |
螺栓长度L1 |
| in |
mm |
RF |
RJ |
| CLass150 PN2.0MPa |
1/2 |
15 |
25 |
46 |
15 |
25 |
25 |
0.28 |
60.5 |
4 |
1/2 |
M14 |
90 |
— |
| CLass150 PN2.0MPa |
3/4 |
20 |
31.5 |
56 |
19 |
30 |
30 |
0.2 |
70 |
4 |
1/2 |
M14 |
100 |
— |
| CLass150 PN2.0MPa |
1 |
25 |
35.5 |
65 |
24 |
36 |
36 |
0.56 |
79.5 |
4 |
1/2 |
M14 |
105 |
120 |
| CLass150 PN2.0MPa |
11/4 |
32 |
40 |
74 |
31 |
43 |
43 |
0.75 |
89 |
4 |
1/2 |
M14 |
115 |
130 |
| CLass150 PN2.0MPa |
11/2 |
40 |
45 |
84 |
39 |
52 |
52 |
1.3 |
98.5 |
4 |
1/2 |
M14 |
120 |
135 |
| CLass150 PN2.0MPa |
2 |
50 |
56 |
103 |
48 |
62 |
62 |
2.1 |
120.5 |
4 |
5/8 |
M16 |
140 |
155 |
| CLass150 PN2.0MPa |
21/2 |
65 |
63 |
122 |
62 |
75 |
75 |
2.8 |
139.5 |
4 |
5/8 |
M16 |
155 |
170 |
| CLass150 PN2.0MPa |
3 |
80 |
71 |
135 |
76 |
90 |
90 |
3.6 |
152.5 |
4 |
5/8 |
M16 |
165 |
180 |
| CLass150 PN2.0MPa |
4 |
100 |
80 |
173 |
95 |
112 |
112 |
4.8 |
190.5 |
8 |
5/8 |
M16 |
175 |
190 |
| CLass150 PN2.0MPa |
5 |
125 |
110 |
195 |
110 |
125 |
132 |
12 |
216.5 |
8 |
3/4 |
M20 |
210 |
225 |
| CLass150 PN2.0MPa |
6 |
150 |
125 |
220 |
127 |
150 |
158 |
17 |
241.5 |
8 |
3/4 |
M20 |
230 |
245 |
| CLass150 PN2.0MPa |
8 |
200 |
160 |
277 |
165 |
200 |
208 |
29 |
298.5 |
8 |
3/4 |
M20 |
270 |
285 |
| CLass300 PN5.0MPa |
1/2 |
15 |
25 |
52 |
15 |
25 |
25 |
0.3 |
66.5 |
4 |
1/2 |
M14 |
95 |
105 |
| CLass300 PN5.0MPa |
3/4 |
20 |
31.5 |
65 |
19 |
30 |
30 |
0.46 |
82.5 |
4 |
5/8 |
M16 |
110 |
125 |
| CLass300 PN5.0MPa |
1 |
25 |
35.5 |
72 |
24 |
36 |
36 |
0.6 |
89 |
4 |
5/8 |
M16 |
115 |
130 |
| CLass300 PN5.0MPa |
11/4 |
32 |
40 |
81 |
31 |
3 |
43 |
0.8 |
98.5 |
4 |
5/8 |
M16 |
125 |
140 |
| CLass300 PN5.0MPa |
11/2 |
40 |
5 |
9 |
39 |
52 |
52 |
1.5 |
114.5 |
4 |
3/4 |
M20 |
140 |
155 |
| CLass300 PN5.0MPa |
2 |
50 |
56 |
110 |
48 |
62 |
62 |
2.4 |
127.0 |
8 |
5/8 |
M16 |
145 |
170 |
| 压力级 |
口径 |
尺寸（mm） |
重量（kg） |
配管法兰（供参考） |
| NPS |
DN |
L |
D |
D2 |
D3 |
D4 |
螺栓孔中心圆直径D1 |
螺栓数量 |
螺栓直径d |
螺栓长度L1 |
| in |
mm |
RF |
RJ |
| CLass300 PN5.0MPa |
21/2 |
65 |
63 |
128 |
62 |
75 |
75 |
3.0 |
149.0 |
8 |
3/4 |
M20 |
170 |
190 |
| CLass300 PN5.0MPa |
3 |
80 |
71 |
147 |
76 |
90 |
90 |
4.0 |
168.5 |
8 |
3/4 |
M20 |
185 |
205 |
| CLass300 PN5.0MPa |
4 |
100 |
80 |
179 |
95 |
112 |
112 |
5.5 |
200.0 |
8 |
3/4 |
M20 |
200 |
220 |
| CLass300 PN5.0MPa |
5 |
125 |
110 |
214 |
110 |
125 |
132 |
13 |
235.0 |
8 |
3/4 |
M20 |
235 |
255 |
| CLass300 PN5.0MPa |
6 |
150 |
125 |
249 |
127 |
150 |
158 |
22 |
270.0 |
12 |
3/4 |
M20 |
255 |
275 |
| CLass300 PN5.0MPa |
8 |
200 |
160 |
305 |
165 |
200 |
208 |
36 |
330.0 |
12 |
7/8 |
M24 |
305 |
325 |
| CLass600 PN11.0MPa |
1/2 |
15 |
25 |
52 |
15 |
25 |
25 |
0.4 |
66.5 |
4 |
1/2 |
M14 |
95 |
105 |
| CLass600 PN11.0MPa |
3/4 |
20 |
31.5 |
65 |
19 |
30 |
30 |
0.8 |
82.5 |
4 |
5/8 |
M16 |
110 |
125 |
| CLass600 PN11.0MPa |
1 |
25 |
35.5 |
72 |
24 |
36 |
36 |
1.0 |
89.0 |
4 |
5/8 |
M16 |
115 |
130 |
| CLass600 PN11.0MPa |
11/4 |
32 |
40 |
81 |
31 |
43 |
43 |
1.3 |
98.5 |
4 |
5/8 |
M16 |
125 |
140 |
| CLass600 PN11.0MPa |
11/2 |
40 |
45 |
94 |
39 |
52 |
52 |
1.8 |
114.5 |
4 |
3/4 |
M20 |
145 |
160 |
| CLass600 PN11.0MPa |
2 |
50 |
56 |
110 |
48 |
62 |
62 |
2.8 |
127.0 |
8 |
5/8 |
M16 |
155 |
170 |
| CLass600 PN11.0MPa |
21/2 |
65 |
63 |
128 |
62 |
75 |
75 |
4 |
149.0 |
8 |
3/4 |
M20 |
175 |
195 |
| CLass600 PN11.0MPa |
3 |
80 |
71 |
147 |
76 |
90 |
90 |
6 |
168.5 |
8 |
3/ |
M20 |
190 |
210 |
| CLass600 PN11.0MPa |
4 |
100 |
80 |
191 |
95 |
112 |
112 |
11 |
216.0 |
8 |
7/8 |
M24 |
220 |
240 |
| CLass600 PN11.0MPa |
5 |
125 |
110 |
139 |
110 |
125 |
132 |
25 |
267.0 |
8 |
1 |
M27 |
265 |
285 |
| CLass600 PN11.0MPa |
6 |
150 |
125 |
264 |
127 |
150 |
158 |
32 |
292.0 |
12 |
1 |
M27 |
290 |
310 |
| CLass600 PN11.0MPa |
8 |
200 |
160 |
318 |
165 |
200 |
208 |
52 |
349.0 |
12 |
11/8 |
M30 |
345 |
365 |
| CLass900 PN15.0MPa |
1/2 |
15 |
25 |
62 |
15 |
25 |
25 |
0.6 |
82.5 |
4 |
3/4 |
M20 |
125 |
140 |
| CLass900 PN15.0MPa |
3/4 |
20 |
31.5 |
69 |
19 |
30 |
30 |
0.9 |
89.0 |
4 |
3/ |
M20 |
135 |
150 |
| CLass900 PN15.0MPa |
1 |
25 |
35.5 |
77 |
24 |
36 |
36 |
1.2 |
101.5 |
4 |
7/8 |
M24 |
155 |
170 |
| CLass900 PN15.0MPa |
11/4 |
32 |
40 |
87 |
31 |
43 |
43 |
1.5 |
111.0 |
4 |
7/8 |
M24 |
160 |
175 |
| CLass900 PN15.0MPa |
11/2 |
40 |
45 |
97 |
39 |
52 |
52 |
2.0 |
124.0 |
4 |
1 |
M27 |
175 |
190 |
| CLass900 PN15.0MPa |
2 |
50 |
56 |
140 |
48 |
62 |
62 |
5.5 |
165.0 |
8 |
7/8 |
M2 |
195 |
210 |
| CLass900 PN15.0MPa |
21/2 |
65 |
63 |
162 |
62 |
75 |
75 |
7.5 |
190.5 |
8 |
1 |
M27 |
215 |
230 |
| CLass900 PN15.0MPa |
3 |
80 |
71 |
165 |
76 |
90 |
90 |
8 |
190.5 |
8 |
7/8 |
M24 |
210 |
225 |
| CLass900 PN15.0MPa |
4 |
100 |
80 |
204 |
95 |
112 |
112 |
14 |
235.0 |
8 |
11/8 |
M30 |
25 |
260 |
| CLass900 PN15.0MPa |
5 |
125 |
110 |
245 |
110 |
125 |
132 |
27 |
279.5 |
8 |
11/4 |
M33 |
290 |
310 |
| CLass900 PN15.0MPa |
6 |
150 |
125 |
286 |
127 |
150 |
158 |
41 |
317.5 |
12 |
11/8 |
M30 |
310 |
325 |
| CLass900 PN15.0MPa |
8 |
200 |
160 |
356 |
165 |
200 |
208 |
76 |
393.5 |
12 |
13/8 |
M36 |
375 |
390 |
注：1、不同的法兰标准其尺寸有一定的差异，故配管法兰的螺栓直径d、螺栓长度L
1等尺寸仅供参考．
2、RF表示突面法兰；RJ表示环连接面法兰．
