产品特点:法兰连接止回阀设计与制造符合中国国家标准基本结构形式:旋启式、直通升降式公称压力PN0.6~1.6(MPa)公称通径DN15~500(mm)基本型号H41JH41Fs H44J H44Fs H41-F3/F46止回阀。
遵循规范
|
STANDARD
|
设计与制造
|
GB12235/GB12236
|
结构长度
|
GB12221/JB96(长一短系列)
|
法兰尺寸
|
JB78/JB79(GB HG SH)
|
试验压力
|
GB/T13927
|
标志
|
GB12220
|
供货
|
GB/T12252
|
二、H44J/FS型衬里止回阀主要零件材料表:
序号
|
零件名称
|
灰铸铁
|
铸钢
|
不锈钢
|
超低碳不锈钢
|
Z
|
C
|
P
|
R
|
PL
|
RL
|
1
|
阀体、阀盖
|
HT250
|
WCB
|
CF8
|
CF8M
|
CF3
|
CF3M
|
2
|
衬里层/阀盖
|
衬硬橡胶(NR)FEP(F46)PCTFE(F3)PFA(可溶性聚四氟乙烯)
|
3
|
轴、阀瓣(板)
|
1 Cr13/35WCB 1Cr18Ni9/CF8 00Cr17Ni14Mo2/CF3M
|
4
|
螺栓
|
35
|
35
|
1Cr17Ni2
|
1Cr17Ni2
|
1Cr18Ni9Ti
|
1Cr18Ni9Ti
|
5
|
螺母
|
45
|
45
|
0Cr18Ni9
|
0Cr18Ni9
|
0Cr18Ni9
|
0Cr18Ni9
|
公称通径
|
标准值
|
参考值
|
DN(mm)
|
NPS(inch)
|
L
|
D
|
D1
|
D2
|
f
|
b
|
Z-Φd
|
B
|
H
|
W(kg)
|
PN0.6(MPa)
|
15
|
1/2
|
130
|
80
|
55
|
40
|
2
|
12
|
4-Φ12
|
105
|
55
|
4
|
20
|
3/4
|
150
|
90
|
65
|
50
|
2
|
14
|
4-Φ12
|
115
|
58
|
5
|
25
|
1
|
160
|
100
|
75
|
60
|
2
|
14
|
4-Φ12
|
128
|
60
|
6
|
32
|
1 1/4
|
180
|
120
|
90
|
70
|
2
|
16
|
4-Φ14
|
145
|
75
|
7
|
40
|
1 1/2
|
200
|
130
|
100
|
80
|
3
|
16
|
4-Φ14
|
160
|
82
|
8
|
50
|
2
|
230
|
140
|
110
|
90
|
3
|
16
|
4-Φ14
|
178
|
95
|
10
|
65
|
2 1/2
|
290
|
160
|
130
|
110
|
3
|
16
|
4-Φ14
|
205
|
105
|
20
|
80
|
3
|
310
|
185
|
150
|
125
|
3
|
18
|
4-Φ18
|
230
|
120
|
25
|
100
|
4
|
350
|
205
|
170
|
145
|
3
|
18
|
4-Φ18
|
255
|
135
|
30
|
125
|
5
|
400
|
235
|
200
|
175
|
3
|
20
|
8-Φ18
|
305
|
158
|
50
|
150
|
6
|
480
|
260
|
225
|
200
|
3
|
20
|
8-Φ18
|
345
|
180
|
65
|
200
|
8
|
495
|
315
|
280
|
255
|
3
|
22
|
8-Φ18
|
415
|
215
|
137
|
250
|
10
|
622
|
370
|
335
|
310
|
3
|
24
|
12-Φ18
|
490
|
240
|
150
|
300
|
12
|
698
|
435
|
395
|
362
|
4
|
24
|
12-Φ23
|
540
|
265
|
185
|
350
|
14
|
787
|
485
|
445
|
412
|
4
|
26
|
12-Φ23
|
585
|
300
|
215
|
400
|
16
|
914
|
535
|
495
|
462
|
4
|
28
|
16-Φ23
|
625
|
360
|
244
|
450
|
18
|
978
|
590
|
550
|
518
|
4
|
28
|
16-Φ23
|
680
|
385
|
276
|
500
|
20
|
978
|
640
|
600
|
568
|
4
|
30
|
16-Φ23
|
740
|
415
|
315
|
|