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SW4 Single Seat Valve Overview

Key Advantages

• Thick valve housing reduces stress in the seat area
• Wear-resistant elastomer/PTFE shaft seal and bearings extend seal life
• Convenient installation and maintenance
• Profile seals with markings for fast identification
• Metallic stop ensures proper compression of seat seal
• Ball-shaped housing reduces CIP cleaning time by preventing sump/dome formation
• Quick-release clamp closure for simple valve servicing
• Multiple housing configurations available
• Certified 3-A sanitary design

Construction Materials

All product-wetted components are made of AISI 316L / 1.4404 (DIN EN 100888) stainless steel. Seal materials include EPDM (standard), with options for HNBR and FPM.

SW4 Valve Variants

Configuration Options

• Manual actuation (SW4 H)
• Divert valve (SWS4)
• Tank outlet version (SWT4)
• High-pressure design (SWhp4)
• Steam barrier version (SW4 DPF)
• Long stroke variant for viscous media or large particulates
• Modulating cone option (SWR4)
• Tangential inlet/outlet configuration
• ATEX compliant versions
• 3-A version for enhanced hygienic applications

Nominal Dimensions

Available in DN 25 – DN 150 / 1” – 4”, and 6” sizes

Actuator Warranty & Reliability

The actuator supplied with this valve is covered by a 5-year actuator warranty, or up to 1 million actuations, whichever comes first. Built with fully welded, sealed, maintenance-free construction, it eliminates internal servicing and reduces wear components to deliver long-term durability in demanding hygienic processing environments.

Key benefits include:

• Maintenance-free operation with no internal servicing
• Fewer spare parts and improved total cost of ownership
• uptime and production continuity

Key Applications

• Dairy
• Beverage
• Brewery
• Clean in Place
• Chemical