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- 產品名稱：H42H-16-DN15,H42H-16-DN20,H42H-16-DN25,立式止回閥 wena立式止回閥
- 產品型號：H42H-16-DN15,H42H-16-DN20,H42H-16-DN25
- 產品展商：溫納
- 產品文檔：無相關文檔
簡單介紹
H42H-16-DN15,H42H-16-DN20,H42H-16-DN25,立式止回閥 wena立式止回閥
產品描述
H42H-16-DN15,H42H-16-DN20,H42H-16-DN25,立式止回閥 wena立式止回閥
H42H、H42W立式止回閥正常處于關閉狀態，由于管線中進口端介質的壓力作用，而克服彈簧阻力使閥門開啟。當進口端介質壓力低于出口端時，彈簧將閥芯推向閥座而使閥門關閉，阻止介質逆流，故起止回作用。
本閥門由于采用彈簧支撐閥芯，故采用立式安裝或臥式裝均可。
應用規范
|
設計與制造
|
GB/T12235
|
|
連接端尺寸
|
結構長度
|
GB/T12221
|
|
法蘭尺寸
|
JB/T79
|
|
檢驗與試驗
|
JB/T9092
|
|
材料
|
碳鋼
|
GB/T12229
|
|
不銹鋼
|
GB/T12230
|
|
合金鋼
|
Q/ZB66
|
|
標志
|
GB/T12220
|
|
供貨
|
JB/T7928
|
性能規范
|
型號
|
公稱
壓力
|
試驗壓力
|
工作溫度(℃)
|
|
強度
(水)Mpa
|
密封
(水)空氣(Mpa)
|
低壓密封
(空氣)Mpa
|
|
H42W-16
|
1.6
|
2.4
|
1.8
|
0.6
|
≤200
|
|
H42W-25
|
2.5
|
3.8
|
2.8
|
0.6
|
≤200
|
|
H42W-40
|
4.0
|
6.0
|
4.4
|
0.6
|
≤200
|
主要外形尺寸
|
型號
|
公稱通徑 DN
|
尺寸(mm)
|
|
L
|
D
|
D1
|
D2
|
H
|
b
|
Z-Φd
|
|
H42H/W-16
|
15
|
130
|
95
|
65
|
45
|
77
|
14
|
4-14
|
|
20
|
150
|
105
|
75
|
55
|
77
|
14
|
4-14
|
|
25
|
160
|
115
|
85
|
65
|
80
|
16
|
4-14
|
|
32
|
180
|
135
|
100
|
78
|
85
|
16
|
4-18
|
|
40
|
200
|
145
|
110
|
85
|
95
|
16
|
4-18
|
|
50
|
230
|
160
|
125
|
100
|
105
|
16
|
4-18
|
|
65
|
290
|
180
|
145
|
120
|
120
|
18
|
4-18
|
|
80
|
310
|
195
|
160
|
135
|
130
|
20
|
8-18
|
|
100
|
350
|
215
|
180
|
155
|
140
|
20
|
8-18
|
|
125
|
400
|
245
|
210
|
185
|
155
|
22
|
8-18
|
|
150
|
480
|
280
|
240
|
210
|
180
|
24
|
8-23
|
|
200
|
600
|
335
|
295
|
265
|
215
|
26
|
12-23
|
|
H42H/W-25
|
15
|
130
|
95
|
65
|
45
|
77
|
16
|
4-14
|
|
20
|
150
|
105
|
75
|
55
|
80
|
16
|
4-14
|
|
25
|
160
|
115
|
85
|
65
|
85
|
16
|
4-14
|
|
32
|
180
|
135
|
100
|
78
|
95
|
18
|
8-18
|
|
40
|
200
|
145
|
110
|
85
|
105
|
18
|
8-18
|
|
50
|
230
|
160
|
125
|
100
|
120
|
20
|
8-18
|
|
65
|
290
|
180
|
145
|
120
|
130
|
212
|
8-18
|
|
80
|
310
|
195
|
160
|
135
|
140
|
22
|
8-18
|
|
100
|
350
|
230
|
190
|
160
|
155
|
24
|
8-23
|
|
125
|
400
|
270
|
220
|
188
|
180
|
28
|
8-25
|
|
150
|
480
|
300
|
250
|
218
|
215
|
30
|
8-25
|
|
200
|
600
|
360
|
310
|
278
|
973
|
34
|
12-25
|
H42H-16-DN15,H42H-16-DN20,H42H-16-DN25
H41H-25C-DN80,H41H-25C-DN100,H41H-25C-DN125
H41H-25C-DN150,H41W-25P-DN25,H41W-25P-DN32
H41W-25P-DN40,H41W-25P-DN50,H41W-25P-DN65
H41W-25P-DN80,H41W-25P-DN100,H41W-25P-DN125
H41W-25P-DN150,H41W-25R-DN25,H41W-25R-DN32
H41H-25C-DN150,H41W-25P-DN25,H41W-25P-DN32
H41H-25C-DN150,H41W-25P-DN25,H41W-25P-DN32
H42H-16-DN15,H42H-16-DN20,H42H-16-DN25
