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SW4 Series - Single Seat Valves
The SW4 series hygienic single seat flow control valve is highly versatile and fulfills the demands of today’s processing industries. The hygienic valve design makes it ideal for applications in dairy, processed foods, beverage, brewery, and chemical industries.
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”
Product Specifications
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