止回阀型号说明 Establishment method of check valve model
阀体材料代号 Code of material for valve body 公称压力 Code of nominal pressure 密封面材料代号 Code of material for valve seat 结构形式代号 Code of structural form 连接形式代号 Code of connection type 传动形式代号 Code of driving type
1
2
4
5
6
5
阀座材料代号 Code of materials for valve seat
氟塑料 Fluorine plastic
F
硬质合金 hard alloy
Y
橡胶 Rubber
X
13Cr
H
6
公称压力 Code of nominal pressure
Class150 Class300 Class600 Class900 Class1500 Class2500
L
RF
BW
267
292
318
356
400
444
533
622
711
838
864
978
1016
1346
RTJ 283 308 333 371 416 460 549 638 727 854 876 994 1035 1368
Size (mm)
d1
d2
D
92
127
165
105
149
190
127
168.5
210
Lug and Wafer double disc type swing check valves···············································································10 H46 型法兰连接双瓣旋启式止回阀
Flange connecting double disc type swing check valves··········································································13 H74 型单瓣旋启式止回阀
292
330
356
432
508
559
660
787
838
889
991
1092
1194
1397
RTJ 295 333 356 435 511 562 664 791 841 892 994 1095 1200 1407
1025
828
64
24-35 681
1320 1070
70
24-41 710
1960 1586
4
上海电建阀门有限公司 Ｓｈａｎｇｈａｉ Ｄｉａｎｊｉａｎ Ｖａｌｖｅ ｃｏ．，Ｌｔｄ
H44 型法兰连接单瓣旋启式止回阀 single-clack swing type check valves
主要连接尺寸及重量 Main connection dimensions and weights
single disc wafer type swing check valves·······························································································15 H71 型对夹单瓣升降式止回阀 H71wafer type lift check valves···············································································································17 质量服务承诺
类型代号 Code of type
1
类型代号 Code of type
止回阀 check valve
H
2 传动形式代号 Code of driving type
3
连接形式代号 Code of connection type
对夹式 wafer
-
7
法兰 Flange
4
结构形式代号
直通升降式
升降立式
单瓣旋启式
48
20-35 740
WT (Kg)
BF
BW
17
13
21
17
29
24
42
36
69
57
74
62
108
96
1324
570
483
665
548
900
782
1359 1150
压力等级 NPS d
Pressure (in)
2 2½ 3 4 5 6 8 Class300 10 12 14 16 18 20 24
Wafer double disc type swing check valves·······························································································6 H76A 型凸耳对夹双瓣旋启式止回阀
A1
A3
A6
A9
A15
A25
阀体材料代号
7
Code of materials for valve body
灰铸铁 Gray iron
Z
球墨铸铁 Ductile iron
Q
碳钢 Carbon steel
C
不锈钢 Stainless steel
P
用途、标准与规范 Purpose, standard and specification, ◎用途 Purpose 科赛公司的系列止回阀适用与公称压力 class 150～class 2500, NPS ½～NPS 48, 工作温度-196℃～540℃的各种 管道上，用于防止介质倒流，通过选用不同的材质，使用于水、蒸汽、油品等各种介质。 Coosai check valves is used in class 150～class 2500, NPS ½～NPS 48, working temperature -196℃～540℃ many
止回阀选型样本
Product catalog of check valves
上海电建阀门有限公司 Ｓｈａｎｇｈａｉ Ｄｉａｎｊｉａｎ Ｖａｌｖｅ ｃｏ．，Ｌｔｄ
CONTENTS 产品目录
上海电建阀门有限公司 Ｓｈａｎｇｈａｉ Ｄｉａｎｊｉａｎ Ｖａｌｖｅ ｃｏ．，Ｌｔｄ
止回阀型号说明
Establishment method of check valve model·······························································································3 H44 型法兰连接单瓣旋启式止回阀
WCB, low temperature steel, dual phase steel(F51F5), Titanium alloy, Aluminum bronze, INCONEL, SS304, 304L,
316, 316L, chrome-molybdenum steel, Monel (400/500), 20#alloy, Hayne’s alloy etc. ◎标准与规范 Standard and specification 设计和制造：API594，API6D，BS1868; 结构长度：API594，API6D，ASME 16.10 连接法兰：ASME 16.5 温度压力等级：ASNI 16.34 检验与试验：API6D，API598 配管法兰：ASME 16.5， API605， ASME B 16.47 design standard：API594，API6D，BS1868 Face to face: API594，API6D，ASME 16.10 Grade of pressure-temperature: ASNI 16.34 Test &inspection: API6D，API598 Flange: ASME 16.5， API605，
压力等级 NPS
d
Pressure
(in)
2
2½
3
4
5
6
Class150
8
10
12
14
16
18
20
24
L
RF
BW
203
216
241
292
330
356
495
622
698
787
864
978
978
1295
RTJ 216 229 254 305 343 368 508 635 711 800 876 991 991 1308
157
200
254
186
235
279
216
270
318
270
330
381
324
387.5
445
381
451
521
413
514.5
584
470
571.5
648
533
628.5
711
584
686
775
692
813
914
WT (Kg)
b
n-Ød
H
BF