STAINLESS STEEL CHECK VALVE WAFER TYPE W409 DIN PN 25
Material:
stainless steel 1.4301; AISI 304Dimensions:
DN-40-500APPLICATION
Steam. Thermal oil. Fuel oil, lubricating oil and flammable hydraulic oil.
Cargo oil. Air. Gas. Non-flammable hydraulic fluid. Boiler feedwater, condensate.
Seawater and freshwater.
VARIANTS
- O-ring material EPDM (-40°C to +120°C)
- PTFE (-50°C to +220°C)
- FPM/FKM (-30°C to +180°C)
Larger dimensions on request.
Materials
| No. | Part | Material |
|---|---|---|
| 1 | Body | Stainless steel 1.4301; 1.4401 |
| 2 | Disc | Stainless steel 1.4301; 1.4401 |
| 3 | Bolt | Stainless steel 1.4301 |
| 4 | Eye bolt | Stainless steel 1.4301 |
| 5 | O-ring | NBR |
| 6 | O-ring | NBR |
Characteristics
| SPECIFICATIONS | |
|---|---|
| Standart: | DIN, ANSI, JIS |
| Flange standard: | Waffer |
| Face to face standard: | As producer specification |
| Connection type: | Waffer |
| Operation: | Non-return valve |
| Actuation: | Self Return |
| Tmax | 220 °C |
Dimensions
| DN | Pressure rating | Connection | L | d1 | D | Weight (kg) |
|---|---|---|---|---|---|---|
| 40 | 16 | 16 | 14 | 22 | 95 | 0,9 |
| 50 | 16 | 16 | 14 | 32 | 109 | 1,2 |
| 65 | 16 | 16 | 14 | 40 | 129 | 1,5 |
| 80 | 16 | 16 | 14 | 54 | 144 | 2,5 |
| 100 | 16 | 16 | 18 | 70 | 164 | 3,3 |
| 125 | 16 | 16 | 18 | 92 | 195 | 4 |
| 150 | 16 | 16 | 20 | 112 | 220 | 4,7 |
| 200 | 16 | 16 | 22 | 154 | 275 | 7,8 |
| 250 | 16 | 16 | 26 | 200 | 332 | 13,5 |
| 300 | 16 | 16 | 32 | 240 | 386 | 22 |
| 350 | 16 | 16 | 38 | 270 | 446 | 37 |
| 400 | 16 | 16 | 44 | 310 | 496 | 56 |
| 450 | 16 | 16 | 50 | 360 | 557 | 68 |
| 500 | 16 | 16 | 56 | 405 | 620 | 84 |