H77H�(duì)夾蝶型止回閥安裝在管路系�(tǒng),其主要作用是防止介�(zhì)倒流,止回閥是一種依靠介�(zhì)壓力�(kāi)啟和�(guān)閉的自動(dòng)閥門(mén)。以往�(guó)�(nèi)普遍采用的是H44型法蘭連接旋啟式止回閥和H41型法蘭連接升降式止回閥,這種傳統(tǒng)的止回閥體積笨大,流體阻力大,閥門(mén)�(guān)閉時(shí)水錘壓力�,安�、維修難,使用壽命短�
�(chǎn)品名�(chēng):對(duì)夾旋啟式止回�,對(duì)夾蝶形止回閥,對(duì)夾蝶式止回閥,不銹鋼�(duì)夾式止回閥,不銹鋼蝶式止回閥�
H77H�(duì)夾蝶型止回閥主要技�(shù)參數(shù)�
|
� �(hào)
|
公稱(chēng)壓力
|
試驗(yàn)壓力PS(MPa)
|
工作溫度
(�)
|
適用介質(zhì)
|
|
PN(MPa)
|
殼體
|
密封
|
|
1Jl77X
LJH77H
LJH77Y
LJll77W
|
1.0
|
1.5
|
1.1
|
軟密封:
100�225
硬密�
200�550
|
水�
油品�
氣體�
|
|
1.6
|
2.4
|
1.76
|
|
2.5
|
3.75
|
2.75
|
|
1.0
|
6.0
|
4.4
|
|
6.4
|
9.6
|
7.0
|
H77H�(duì)夾蝶型止回閥主要零件材料�
|
零件名稱(chēng)
|
� �
|
|
LJH77X-10C�25 16�40
|
LJH77H-16C�40 25�64
|
IJH77Y25I 40I164I
|
LJH77W10C�25 16C�40
|
LJH77W-10P�25P 16P�40P
|
|
閥體、蝶�
|
鑄鋼WCB
|
鉻鉬�
|
鑄鋼WCB
|
lCrl8Ni9Ti
|
|
閥桿
|
2Crl3
|
lCrl8N19Tl
|
20r13
|
|
閥體密封�
|
-
|
堆焊合金�
|
堆焊硬質(zhì)合金
|
-
|
-
|
|
助關(guān)彈簧
|
lCrl8N19Ti
|
耐熱合金
|
1Crl8Ni9Ti
|
H77H�(duì)夾蝶型止回閥主要外形尺寸�
|
公稱(chēng)通徑
DN(mm)
|
L
|
D2
|
D3
|
公稱(chēng)通徑
DN(ram)
|
L
|
D2
|
D3
|
|
LJH77X
|
LJH77H
LJH77Y
LJH77W
|
LJH77X
|
LJH77H
LJH77Y
LJH77W
|
|
50
|
43
|
100
|
43
|
46
|
400
|
140
|
485
|
376
|
390
|
|
80
|
64
|
1 05
|
7l
|
80
|
d50
|
152
|
545
|
427
|
427
|
|
100
|
64
|
155
|
91 5
|
94
|
500
|
152
|
608
|
479
|
490
|
|
125
|
70
|
185
|
115
|
118
|
600
|
178
|
718
|
579
|
588
|
|
150
|
76
|
210
|
14l
|
145
|
700
|
229
|
800
|
675
|
686
|
|
200
|
89
|
265
|
191
|
200
|
800
|
241
|
905
|
774
|
784
|
|
250
|
114
|
320
|
230
|
250
|
900
|
241
|
1005
|
875
|
-
|
|
300
|
114
|
375
|
290
|
300
|
1000
|
300
|
lll5
|
974
|
-
|
|
350
|
127
|
435
|
340
|
340
|
1200
|
360
|
1325
|
1165
|
-
|
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�(lèi)�(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�(wú)磨損球形止回� 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 |