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| BUTTERFLY VALVES VIA SERIES RS DN 40 - 1200 PN 6, 10, 16 |
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| Advantages |
| reliable shuttoff and control valves suitable also for vacuum operation |
| exchangeable body lining consists of a firm back-up ring onto which the elastic seating material is vulcanized |
| working temperature -34 C a +150 C according to material execution |
| neck flange according to ISO 5211 |
| leak rate 1 dle DIN 3230 |
| zertifikat ISO 9001 |
| discs undercuted D p: 0,35MPa, 1MPa a 1,6MPa |
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| Special executions |
| extended stem valve |
| three-way combination of butterfly valves with T-piece with one actuator |
| Low torque due to undercuted discs on D 3,5 bar = savings on actuator size |
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| Operation | |
1 Shaft |
| Handlever (up to DN 300) |
2 bearing |
| gear box |
3 body |
| elecric actuator |
4 body lining |
| pneumatic actuator |
5 disc |
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6 roll pin |
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7 bolt |
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| Installation |
| in any position upto DN 300 |
| over DN 300 horizontal axis position is necessary |
| between neck flanges |
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