First, the product [on the clip swing check valve] details:
Product Name: clamp swing check valve
Part name | 材 料 |
| LJH77X-10C、25 16、40 | LJH77H-16C、40 25、64 | IJH77Y25I 40I164I | LJH77W10C、25 16C、40 | LJH77W-10P、25P 16P、40P |
Valve body, butterfly plate | cast steel WCB | Cr Mo steel | cast steel WCB | lCrl8Ni9Ti |
The stem | 2Crl3 | lCrl8N19Tl |
| 20r13 |
|
Body seal pair | - | Surfacing alloy steel | Surfacing cemented carbide | - | - |
Closing spring | lCrl8N19Ti | Heat-resisting alloy | 1Crl8Ni9Ti |
Model | Nominal pressure | Test pressure PS(MPa) | working temperature (℃) | Applicable medium |
PN(MPa) | housing | Seal up |
1Jl77X LJH77H LJH77Y LJll77W | 1.0 | 1.5 | 1.1 | Soft seal: 100~225 Hard seal 200~550 | Water, Oil, Gas, Nitric acid, etc. |
1.6 | 2.4 | 1.76 |
2.5 | 3.75 | 2.75 |
1.0 | 6.0 | 4.4 |
6.4 | 9.6 | 7.0 |
Nominal diameter DN(mm) | L | D2 | D3 | Nominal diameter 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 | - |