Non Slam Swing Check Valve
Body: Cast Iron, Ductile Iron
Disc: Ductile iron, Aluminium Bronze, Stainless Steel
Spring: Stainless Steel
Shaft: Stainless Steel
Seat Ring: EPDM, NBR
Nominal Diameter: DN40 to DN600
Nominal pressure: Class150 to Class2500
Design and Manufacture: API6D
Face to Face Dimension: ASME B16.10
Flanged End Dimension: ANSI B16.5, ANSI B16.47
Buttweld Dimension: ANSI B16.25
Inspection and Test: API598
Dimensions                                                          Unit: mm
PN10
| DN | L | D | K | b | Z- Φd |
| 40 | 112 | 145 | 110 | 18 | 4- Φ18 |
| 50 | 120 | 160 | 125 | 20 | 4- Φ18 |
| 65 | 130 | 180 | 145 | 20 | 4- Φ18 |
| 80 | 150 | 195 | 150 | 22 | 8- Φ18 |
| 100 | 165 | 215 | 180 | 24 | 8- Φ18 |
| 125 | 190 | 245 | 210 | 26 | 8- Φ18 |
| 150 | 210 | 280 | 240 | 26 | 8- Φ22 |
| 200 | 255 | 335 | 295 | 28 | 8- Φ22 |
| 250 | 310 | 390 | 350 | 28 | 12- Φ22 |
| 300 | 320 | 440 | 400 | 28 | 12- Φ22 |
| 350 | 380 | 500 | 460 | 30 | 16- Φ22 |
| 400 | 405 | 565 | 515 | 32 | 16- Φ26 |
| 450 | 430 | 615 | 565 | 32 | 20- Φ26 |
| 500 | 450 | 670 | 620 | 34 | 20- Φ26 |
| 600 | 510 | 780 | 725 | 36 | 20- Φ30 |
