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一、产品[对夹旋启式止回阀]的详细资料：
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 |
1.0 |
1.5 |
1.1 |
软密封： |
水、 |
|
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 |
L |
D2 |
D3 |
公称通径 |
L |
D2 |
D3 |
||
|
LJH77X |
LJH77H |
LJH77X |
LJH77H |
||||||
|
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-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,