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Product features and benefits
- Resilient seated in accordance with EN 593
- Face-to-face length acc. to EN 558-1, basic series 13 (DIN 3202 F16) or acc. to customers specification
- Specific design for air-cooled condensers in power plants
- For steam with high flow rates
- With welded ends
- Pressure range 0.05 bar (absolute) to 1.5 bar (abs)
- Temperature range of the saturated steam to 100°C
- Double-offset disk bearing mounted in maintenance-free bushing
- Medium free bearing (dry shaft) in body by means of double O-ring sealing and closed disk eyes
- Wear-resistant, corrosion-resistant and undermining-resistant seat
- Possible to replace profile sealing ring without disassembling the disk
- Automatic sealing system with enclosed and pressure-supported profile sealing ring
- With self-locking, fully enclosed, maintenance-free worm gear including mechanical position indicator
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Material
- Body: Welded steel S355J2+N (1.0577+N)
- Disk: Welded steel S355J2+N (1.0577+N)
- Valve sealing: EPDM
- O-rings: EPDM
- Butterfly valve stem: C45 steel, chromed
- Seat: Steel S235JR (1.0038)
Corrosion protection
- Body: external epoxy coating
Version
- Standard version as described
- Flange according to customer specifications
- Welded ends version "landing bar"
- Valve shaft made of stainless steel
- Electric actuator and other actuation on request
- Low temperature version (-25°C to 50°C ambient temperature) available on request
- Other materials available on request
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