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S2 Series

150 PSI Sanitary Butterfly Valves
Tri-Clamp | Stainless Steel

Overview  |  Brochure  |  Video  |  Data Sheets  |  IOM Manuals  |  3D CAD Files  |  Case Studies

S2 Series
Sanitary Butterfly Valve

Up to 150 PSI

  • 316/316L Stainless Steel, 304 Available
  • Blowout Proof Stem
  • Tri-Clamp Standard, other Connections Available
  • EPDM Standard Seat
  • Viton and Silicone Seat Available
  • Surfaces Finish to 32Ra or Better
  • Mounting Kits Available for Automation
  • FDA Compliant Actuation Available
  • 1/2″ – 6″ 150psi @ 212°F max
  • 8″ and 10″ 60psi @ 212°F max
  • Copper Bushings Available for High Cycle/Temp Applications

Data Sheets

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IOM Manuals

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3D CAD Models

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Check out these Case Studies!

6″ Delta T Ductile Iron Lug Butterfly Valve Tee Assembly w/ MT Series Pneumatic Actuator, Linkage, Limit Switch, & Solenoid Valve 050/051 SeriesCase StudiesLimit SwitchesMT SeriesSolenoid ValvesTee Assembly
September 30, 2026

6″ Delta T Ductile Iron Lug Butterfly Valve Tee Assembly w/ MT Series Pneumatic Actuator, Linkage, Limit Switch, & Solenoid Valve

Three-Way Flow Control Without the Multiport Ball Valve For larger-diameter piping systems, achieving three-way flow control with a multiport ball valve can quickly become an expensive solution. For this application, Max-Air provided an alternative: a ductile iron tee fitted with two 6" Delta T 051…
Max-Air Technology
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Chainwheel-Operated Butterfly Valve w/ Add-On Lockout Bucket — Data Center Chilled Water Line 050/051 Series250/251 Series650/651 SeriesCase StudiesGO Series
July 1, 2026

Chainwheel-Operated Butterfly Valve w/ Add-On Lockout Bucket — Data Center Chilled Water Line

A colocation data center needed a reliable way to isolate an 8" chilled water line feeding a critical redundant chiller during maintenance. The existing manual valve had no lockout provision and was mounted in a hard-to-reach spot, making safe LOTO procedures difficult. Max-Air supplied a…
Max-Air Technology
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Dedicated Truck Shipment of Resilient Seated Lug Valves w/ Declutchable Overrides & Hand Pump Overrides 050/051 SeriesCase StudiesGOW SeriesHD SeriesMT Series
July 28, 2025

Dedicated Truck Shipment of Resilient Seated Lug Valves w/ Declutchable Overrides & Hand Pump Overrides

This dedicated truck shipment of Resilient Butterfly Valves is full of large lug valves w/ pneumatic actuation & manual override options. The Rack & Pinion assemblies include our GOW Series Declutchable Gear Operators and the Scotch Yokes include Hydraulic Hand Pump Overrides. #thebestwaytoautomateyourprocess
Max-Air Technology
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Pneumatically Operated Resilient Seated Butterfly Valve w/ Open/Close Feedback & Declutchable Gear Override 050/051 SeriesCase StudiesGOW SeriesLimit SwitchesMT SeriesSolenoid Valves
October 23, 2024

Pneumatically Operated Resilient Seated Butterfly Valve w/ Open/Close Feedback & Declutchable Gear Override

These Delta T Resilient Butterfly Valves in Ductile Iron Wafer Body w/ Stainless Steel Disc & EPDM Seat are being operated by our MT Series Rack & Pinion Actuators. Each assembly has a GOW Series Declutchable Gear Operator for Manual Override. The Solenoid diverts air,…
Max-Air Technology
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