LJH77X-10C,LJH77H-25C,JH77Y-25I,LJH77W-10C,LJH77W-25P,LJH77X-40C,LJH77W-16P,对夹旋启式止回阀
产品名称：对夹旋启式止回阀
二、主要技术参数：
|
型 号
|
公称压力
|
试验压力PS(MPa)
|
工作温度
(℃)
|
适用介质
|
|
PN(MPa)
|
壳体
|
密封
|
|
1Jl77X
LJH77H
LJH77Y
LJll77W
|
1.0
|
1.5
|
1.1
|
软密封：
100～225
硬密封
200～550
|
水、
油品、
气体、
硝酸等
|
|
1.6
|
2.4
|
1.76
|
|
2.5
|
3.75
|
2.75
|
|
1.0
|
6.0
|
4.4
|
|
6.4
|
9.6
|
7.0
|
三、主要零件材料：
|
零件名称
|
材 料
|
|
LJH77X-10C、25 16、40
|
LJH77H-16C、40 25、64
|
IJH77Y25I 40I164I
|
LJH77W10C、25 16C、40
|
LJH77W-10P、25P 16P、40P
|
|
阀体、蝶板
|
铸钢WCB
|
铬钼钢
|
铸钢WCB
|
lCrl8Ni9Ti
|
|
阀杆
|
2Crl3
|
lCrl8N19Tl
|
20r13
|
|
阀体密封副
|
-
|
堆焊合金钢
|
堆焊硬质合金
|
-
|
-
|
|
助关弹簧
|
lCrl8N19Ti
|
耐热合金
|
1Crl8Ni9Ti
|
四、对夹旋启式止回阀主要外形尺寸：
|
公称通径
DN(mm)
|
L
|
D2
|
D3
|
公称通径
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
|
450
|
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
|
-
|
LJH77X-10C-DN50,LJH77H-25C-DN50,JH77Y-25I-DN50,LJH77W-10C-DN50,LJH77W-25P-DN50,
LJH77X-40C-DN50,LJH77W-16P-DN50,LJH77X-25C-DN50,LJH77X-16C-DN50,LJH77H-10C-DN50,
LJH77H-16C-DN50,LJH77H-40C-DN50,JH77Y-40I-DN50,JH77Y-64I-DN50,LJH77W-25C-DN50,
LJH77W-16C-DN50,LJH77W-40C-DN50,CCLAIR,LJH77W-10P-DN50,LJH77W-40P-DN50,
LJH77X-10C-DN80,LJH77H-25C-DN80,JH77Y-25I-DN80,LJH77W-10C-DN80,LJH77W-25P-DN80,
LJH77X-40C-DN80,LJH77W-16P-DN80,LJH77X-25C-DN80,LJH77X-16C-DN80,LJH77H-10C-DN80,
LJH77H-16C-DN80,LJH77H-40C-DN80,JH77Y-40I-DN80,JH77Y-64I-DN80,LJH77W-25C-DN80,
LJH77W-16C-DN80,LJH77W-40C-DN80,LJH77W-10P-DN80,LJH77W-40P-DN80,
LJH77X-10C-DN100,LJH77H-25C-DN100,JH77Y-25I-DN100,LJH77W-10C-DN100,LJH77W-25P-DN100,
LJH77X-40C-DN100,LJH77W-16P-DN100,LJH77X-25C-DN100,LJH77X-16C-DN100,LJH77H-10C-DN100,
LJH77H-16C-DN100,LJH77H-40C-DN100,JH77Y-40I-DN100,JH77Y-64I-DN100,LJH77W-25C-DN100,
LJH77W-16C-DN100,LJH77W-40C-DN100,LJH77W-10P-DN100,LJH77W-40P-DN100,
LJH77X-10C-DN125,LJH77H-25C-DN125,JH77Y-25I-DN125,LJH77W-10C-DN125,LJH77W-25P-DN125,
LJH77X-40C-DN125,LJH77W-16P-DN125,LJH77X-25C-DN125,LJH77X-16C-DN125,LJH77H-10C-DN125,
LJH77H-16C-DN125,LJH77H-40C-DN125,JH77Y-40I-DN125,JH77Y-64I-DN125,LJH77W-25C-DN125,
LJH77W-16C-DN125,LJH77W-40C-DN125,LJH77W-10P-DN125,LJH77W-40P-DN125,
LJH77X-10C-DN150,LJH77H-25C-DN150,JH77Y-25I-DN150,LJH77W-10C-DN150,LJH77W-25P-DN150,
LJH77X-40C-DN150,LJH77W-16P-DN150,LJH77X-25C-DN150,LJH77X-16C-DN150,LJH77H-10C-DN150,
LJH77H-16C-DN150,LJH77H-40C-DN150,JH77Y-40I-DN150,JH77Y-64I-DN150,LJH77W-25C-DN150,
LJH77W-16C-DN150,LJH77W-40C-DN150,LJH77W-10P-DN150,LJH77W-40P-DN150,
LJH77X-10C-DN200,LJH77H-25C-DN200,JH77Y-25I-DN200,LJH77W-10C-DN200,LJH77W-25P-DN200,
LJH77X-40C-DN200,LJH77W-16P-DN200,LJH77X-25C-DN200,LJH77X-16C-DN200,LJH77H-10C-DN200,
LJH77H-16C-DN200,LJH77H-40C-DN200,JH77Y-40I-DN200,JH77Y-64I-DN200,LJH77W-25C-DN200,
LJH77W-16C-DN200,LJH77W-40C-DN200,LJH77W-10P-DN200,LJH77W-40P-DN200,
LJH77X-10C-DN250,LJH77H-25C-DN250,JH77Y-25I-DN250,LJH77W-10C-DN250,LJH77W-25P-DN250,
LJH77X-40C-DN250,LJH77W-16P-DN250,LJH77X-25C-DN250,LJH77X-16C-DN250,LJH77H-10C-DN250,
LJH77H-16C-DN250,LJH77H-40C-DN250,JH77Y-40I-DN250,JH77Y-64I-DN250,LJH77W-25C-DN250,
LJH77W-16C-DN250,LJH77W-40C-DN250,CCLAIR,LJH77W-10P-DN250,LJH77W-40P-DN250,
LJH77X-10C-DN300,LJH77H-25C-DN300,JH77Y-25I-DN300,LJH77W-10C-DN300,LJH77W-25P-DN300,
LJH77X-40C-DN300,LJH77W-16P-DN300,LJH77X-25C-DN300,LJH77X-16C-DN300,LJH77H-10C-DN300,
LJH77H-16C-DN300,LJH77H-40C-DN300,JH77Y-40I-DN300,JH77Y-64I-DN300,LJH77W-25C-DN300,
LJH77W-16C-DN300,LJH77W-40C-DN300,LJH77W-10P-DN300,LJH77W-40P-DN300,
LJH77X-10C-DN350,LJH77H-25C-DN350,JH77Y-25I-DN350,LJH77W-10C-DN350,LJH77W-25P-DN350,
LJH77X-40C-DN350,LJH77W-16P-DN350,LJH77X-25C-DN350,LJH77X-16C-DN350,LJH77H-10C-DN350,
LJH77H-16C-DN350,LJH77H-40C-DN350,JH77Y-40I-DN350,JH77Y-64I-DN350,LJH77W-25C-DN350,
LJH77W-16C-DN350,LJH77W-40C-DN350,LJH77W-10P-DN350,LJH77W-40P-DN350,
一、产品[对夹旋启式止回阀]的详细资料：
