Gate Valve with Protective Ring (Series 172)
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Isolation valve for contaminating processes.
Specifications Table
| Series Number | 172 |
|---|---|
| Series Name | Gate Valve with Protective Ring |
| Description | Isolation valve for contaminating processes. |
| Actuator Types | Manual actuator (hand wheel), Pneumatic actuator (double acting) |
| Sealing Technology | VATLOCK-System |
| Sealing Gate | FKM (VITON®) |
| Sealing Bonnet | FKM (VITON®) |
| Feedthrough | Rotary feedthrough |
| Leak Rate - Body | < 1 . 10-9 mbar ls-1 |
| Leak Rate - Seat | < 1 . 10-9 mbar ls-1 |
Dimensional Drawings
Actuator
Solenoid for impulse actuation: last valve position is maintained at power failureSolenoid separate, for external mounting
Solenoid for 12, 48 V DC
Solenoid for 24, 48, 100, 115, 200, 230 V 50 Hz
Solenoid for 24, 100, 115, 200, 230 V 60 Hz
Double position indicator (2 switches each for the positions "open" and "closed")
Actuator in position 2 or 3 (position 1 is standard)
Actuator on B-side (A-side is standard
Valve
Customer specified flangesFor direct mounting to flat chamber: Special flange for mounting to chamber wall, standard flange on opposite side
Watercooled or waterheated flanges
Heat-resistant mechanism and protective ring on request
Ports for roughing (by-pass), venting or for gauges
Special ports on request