DN | Ordering numbers | |||||
Valve | Accessories | |||||
mm | inch | CF-R | handwheel 1) | T-bar tool 1) | service kit 1 2) | service kit 2 2) |
16 | ⅝ | 54124-GE02 | 240039 | 312699 | 529581 | 529582 |
40 | 1 ½ | 54132-GE02 | 531966 | 530026 | 530022 | 530023 |
63 | 2 ½ | 54136-GE02 | – | 312731 | 530024 | 530025 |
Leak rate: valve body, valve seat | < 1 · 10-10 mbar ls-1 |
Pressure range | XHV to 2 bar (abs) |
Differential pressure on the gate | ≤ 2 bar |
Differential pressure at opening | ≤ 1 bar 3) |
Lifetime | ≥ 1000 cycles |
Bake-out temperature 4) | ≤ 300 °C open and closed |
Heating and cooling rate | ≤ 60 °C h-1 |
Material: valve body, mechanism, bellows | AISI 316L (1.4404, 1.4435) |
Seal: bonnet, plate | metal |
Feedthrough | bellows |
Mounting position | any |
Valve position indication | visual (mechanical) |
Conductance (molecular flow) | DN16: 5 ls-1 / DN40: 50 ls-1 / DN63: 105 ls-1 |
Closing force | closes at a mechanical stop |
Weight: DN 16 / 40 / 63 kg (lbs) | 0.4 (0.9) / 1.9 (4.2) / 5.9 (13.0) |
1) Handwheel or T-bar tool to put on hexagon head for convenient operation |
2) Service kits to exchange the FLEX VATRING without remachining the sealing surface on the valve seat. The FLEX VATRING may be replaced up to two times. The service kit 1 is for the first, the service kit 2 for the second exchange. |
3) > 1 bar with reduced number of cycles |
4) Maximum values: depending on operating conditions and sealing materials |