H42H鑄鋼底閥正常處于�(guān)閉狀�(tài)，由于管線中�(jìn)口端介質(zhì)的壓力作�，而克服彈簧阻力使閥門開啟。當(dāng)�(jìn)口端介質(zhì)壓力低于出口端時(shí)，彈簧將閥芯推向閥座而使閥門�(guān)閉，阻止介質(zhì)逆流，故起止回作�。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�
H42H鑄鋼底閥主要性能�(guī)范：
|
型號(hào)
|
公稱壓力
PN(Mpa)
|
試驗(yàn)壓力SP(Mpa)
|
適用溫度
(�)
|
適用介質(zhì)
|
|
殼體
|
密封
|
|
H42W-25P
|
2.5
|
3.8
|
2.8
|
≤200
|
硝酸�
|
|
H42W-25R
|
醋酸�
|
|
H42W-40P
|
4.0
|
6.0
|
4.4
|
�、油�
|
|
H42W-40R
|
|
|
H42Y-40
|
|
H42H鑄鋼底閥主要外形尺寸和連接尺寸(MM)�
|
型號(hào)
|
公稱通徑
DN(mm)
|
尺寸(mm)
|
|
L
|
D
|
D1
|
D2
|
b
|
f
|
Z-Φ
|
|
1
|
2
|
3
|
|
H42H-25C 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
|
本公司產(chǎn)品的，請(qǐng)直接�(diǎn)擊本公司�(wǎng)址�(jìn)入：www.bodacp.cn
公司本系列同類產(chǎn)品如下：
H41H升降式止回閥 H44H旋啟式止回閥 H41W不銹鋼升降式止回� H44W不銹鋼旋啟式止回� H42W不銹鋼立式止回閥 H42H立式止回� H41T鑄鐵升降式止回閥 H44T鑄鐵旋啟式止回閥 H11H絲扣止回� H11H鍛鋼�(nèi)螺紋止回� H14H�(nèi)螺紋止回� H61H焊接式鍛鋼止回閥
H64Y�(duì)焊旋啟式止回� HC41X消音止回� HC42X靜音止回� HC44X橡膠板止回閥
HH49X微阻緩閉消聲止回� HH44X微阻緩閉止回� H41H鍛鋼法蘭止回� HH47X蝶式緩沖止回�
HQ44X無磨損球形止回閥 HQ45X微阻球形止回� H76H�(duì)夾雙瓣旋啟式止回� H76W不銹鋼對(duì)夾式止回� H72H�(duì)夾升降式止回� H72W不銹鋼對(duì)夾式止回� H71H/W�(duì)夾升降式止回�
H74H�(duì)夾單瓣旋啟式止回� H74W不銹鋼對(duì)夾圓片式止回� H46H/W�(duì)夾雙瓣旋啟式止回�
H76H凸耳對(duì)夾雙瓣旋啟式止回� H77H�(duì)夾蝶型止回閥 H77W�(duì)夾式止回� H42W不銹鋼底�
H42H鑄鋼底閥 H42T鑄鐵法蘭底閥 SSDF水上式底� H45W雙瓣式底� JHL41X多功能三合一止回� DHH44X微阻緩閉式消聲止回閥 HQ41X滾球式球形止回閥 PH44H/Y排渣止回�
H44H美標(biāo)旋啟式止回閥 |
