ZHEJIANG HENGGAO VALVE MANUFACTURE CO., LTD
Constant high valve with 6 m diameter turbine inlet valve manufacturing capacity, is currently the largest diameter valves manufacturing base in East China.
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 产品名称 H42W立式止回阀 产品型号

一、产品概述:

本系列阀门正常处于关闭状态,由于管线中进口端介质的压力作用,而克服弹簧阻力使阀门开启。当进口端介质压力低于出口端时,弹簧将阀芯推向阀座而使阀门关闭,阻止介质逆流,故起止回作用。本阀门由于采用弹簧支撑阀芯,故采用立式安装或卧式装均可。

二、主要性能规范:

型号
公称压力
PN(Mpa)
试验压力SP(Mpa)
适用温度
(℃)
适用介质
壳体
密封
H42W-25P
2.5
3.8
2.8
≤200
硝酸类
H42W-25R
醋酸类
H42W-40P
4.0
6.0
4.4
水、油品
H42W-40R
H42Y-40

三、标日牌H42W立式止回阀主要外形尺寸和连接尺寸(MM)

型号
公称通径
DN(mm)
尺寸(mm)
L
D
D1
D2
b
f
Z-Φ
1
2
3
H42W-25P H42W-25R
15
-
85
85
95
65
45
16
-
4-Φ14
20
-
95
95
105
75
55
16
-
4-Φ14
25
-
100
105
115
85
65
16
-
4-Φ14
32
-
105
150
135
100
78
16
-
4-Φ14
40
-
115
160
145
110
88
18
-
4-Φ14
50
140
125
170
160
125
100
20
3
4-Φ14
65
160
145
180
180
145
120
22
3
8-Φ18
80
185
155
200
195
160
135
22
3
8-Φ18
100
210
210
210
230
190
160
24
3
8-Φ23
125
-
275
275
275
220
188
28
3
8-Φ25
150
300
225
300
300
250
218
30
3
8-Φ25
200
380
380
380
360
310
278
34
3
12-Φ25

   
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Add : Oubei Town, Yongjia County, Wenzhou Ou Industrial District (Constant High Park)   Tel : +86-577-67983168    57753215   Fax : +86-577-