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產(chan)品詳情
  • 產品名稱:對夾升降式止回閥

  • 產品型號:H71H(W)
  • 產品廠商:英科
  • 產品文檔:
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H71H(W)對夾升降式止回閥 對夾升降止回閥用途,對夾升降式止回閥價格,對夾升降式止回閥工作原理 對夾升降止回閥特點 對夾升降式止回閥用途
詳情介紹:

 

詳細說明
對夾升降式(shi)止回(hui)閥結構及尺寸
  該閥(fa)(fa)由閥(fa)(fa)體(ti)、閥(fa)(fa)瓣、彈簧等組(zu)成,水(shui)平或垂直安裝于(yu)管路(lu)系統,防止介質倒流,具有結(jie)構短、體(ti)積小、質量輕(qing);閥(fa)(fa)
瓣關閉快速(su),水錘壓力小;流(liu)(liu)道通暢,流(liu)(liu)體阻力小;動作靈敏,密(mi)封性能好。
 
對(dui)夾升降式止回閥主要技術參數(shu)
 
型號(hao)
公稱(cheng)壓(ya)力
試驗壓力
工作溫度
適用溫度(du)
殼體
密封
H71H-16Q
1.6
2.4
1.76
235℃
水、蒸氣、油品等
H71H-25Q
2.5
3.75
2.75
235℃
H71W-25H
300
H71W-25P
200
硝酸等腐蝕(shi)性介質
H71W-40H
4.0
6.0
4.4
300
H71W-40P
200
水、蒸氣(qi)


對夾升降式止回閥主要零件材料
型(xing)號
閥門
閥瓣
彈簧(huang)
H71H-16Q  H71H-25Q
QT400-15
25
50CrVA
H71W-25H  H71W-40H
2Cr13
1Cr13
1Cr18Ni9
H71W-25P  H71W-40P
ZG1Cr18Ni9Ti
1Cr18Ni9Ti
1Cr18Ni9Ti
對夾升降式止回閥主要外形尺寸
公稱通(tong)徑(jing)
L
D
公稱通徑
L
D
1.6
2.5
4.0
1.6
2.5
4.0
15
25
48
48
48
80
71
140
140
140
20
31.5
58
58
58
100
80
160
165
165
25
35.5
68
68
68
125
110
190
195
195
32
40
80
80
870
150
125
215
225
225
40
45
90
90
90
200
160
270
285
390
50
56
105
105
105
250
200
330
340
350
65
63
125
125
125
300
250
385
400
415

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