SPX Flow SW4 Series – Single Seat Valve

Features & Benefits
  • 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
  • EHEDG certified
  • 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, VMQ (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”


Need help with dairy machinery transportation?

Every month we export machinery to customers all over the world.

Offering competitive prices for air, sea or road freight, we can crate machinery and process all export documents to ensure the process is quick and stress free.

To enquire about shipping, just give us a call on +44(0) 1455 220 179


Need spares for this machine?

DairyBits stocks a host of spare parts for dairy and ice cream machinery.

With international shipping and door-to-door courier services, Dairy Bits can supply them quickly before any major disruption occurs. Click below to go to the site.

Have a machine like this to sell?

We make quick decisions and pay the best prices in cash for good quality, used dairy and food processing machinery, from single machines to complete plants.

To sell your machinery, just give us a call on +44(0) 1455 220 179 or

email us


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