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SW4 Series - Single Seat Valves
FEATURES
Advantages of the SW4 Single Seat Valve:
- Extra wall thickness of valve housing reduces stress in the seat area
- Wear resistant elastomer/PTFE shaft seal and bearings increase seal lifetime
- Installation and maintenance convenience
- Profile seals with marking for easy identification
- Metallic stop provides for defined compression of seat seal
- Ball shaped housing prevents sump or dome, reducing CIP cleaning times
- Clamp closure provides for quick and easy valve maintenance
- Many different housing configurations
- 3-A approved
All product-wetted parts are made of AISI 316 L / 1.4404 (DIN EN 100888) stainless steel. Seal materials are EPDM (standard), HNBR, FPM (options)
Valve variants:
- With manual actuation (SW4 H)
- Divert valve (SWS4)
- Tank outlet version (SWT4)
- High-pressure design (SWhp4)
- With steam barrier (SW4 DPF)
- Long stroke version (SW4 long stroke) for highly viscous products or larger particles
- With modulating cone (SWR4)
- Tangential inlet / outlet
- ATEX compliant models
- 3-A version
Nominal dimensions: DN 25 – DN 150 / 1” – 4”, 6”
Sizes: 1" - 4", 6" / DN25 - DN150 Product Wetted Parts: AISI 316L Non-Product Wetted Parts: AISI 304 Seal Materials:
- Standard EPDM
- Optional: HNBR, FPM
Min. Control Air Pressure: 87 PSI (6 bar) Max. Control Air Pressure: 116 PSI (8 bar)
SW4 Single Seat and Change Over Valve Dimensions
Optional Equipment:
- Stroke limitator (1” - 4” and DN25-100)
- Crank handle for manual operation (1” - 4”, 6” and DN25-150)
- Oil damp cylinder (1” - 4” and DN25-100 )
- Steam barrier
- Long stroke (2” - 4” and DN50-100)
- Tangential inlet (1” - 4” sizes only)
- Proximity holder
- Tank outlet version
- 3-A version
- CU control units
Pressure Ratings:
Operating Pressure: Maximum line pressure: 145 psi (10 bar)
Temperature Ratings:
Operating temperature: Maximum 275ºF (135°C), Short time 284ºF (140ºC) - no steam