Vertical check valve is made of special materials with good grinding performance and small friction coefficient, which is flexible and reliable in operation and excellent in sealing performance. Vertical check valve products are widely used in petroleum, chemical industry and manufacturingMedicine, power industry and other conditions of the pipeline.
1, Valve design and manufacture according to GB/T 12235-89 requirements
2, Valve structural length according to GB/T 12221-89 requirements
3, The connection flange according to JB/T 79-1994 requirements
4, Valve inspection and acceptance by JB/T 9092-1999 requirements
| No. | Part Name | Stainless Steel | Cast Steel |
|---|---|---|---|
| 1 | Body | CF8 | WCB |
| 2 | Disc | 304 | 2Cr13 |
| 3 | Stem | F304 | 2Cr13 |
| 4 | Positioning Frame | CF8 | WCB |
| 5 | Screws | 304 | 25 |
PN 1.6–4.0 MPa
| DN | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| L | 85 | 95 | 105 | 150 | 160 | 170 | 180 | 200 | 210 | 275 | 300 | 380 |
PN 6.4–10.0 MPa
| DN | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| L | 90 | 100 | 110 | 160 | 170 | 180 | 190 | 220 | 260 | 300 | 340 | 420 |
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