(763) 476-1013
Industrial piping system featuring valves, connectors, and gauges

Air Operated Pneumatic Ball Valves and Butterfly Valves

S&K Automation, LLC supplies dependable air operated ball valve and butterfly valves for industrial, commercial, and process control systems. From standard pneumatic butterfly valves to specialized 3-way air actuated valves, we provide durable solutions built for performance, reliability, and fast delivery. On/Off, Modulating, Fail Safe, Modulating Fail Safe and many special control types. Our valve automation systems are designed to support HVAC, water treatment, fuel systems, manufacturing, and demanding process applications where precision flow control matters.

Air Operated/Pneumatic Actuated Rubber Seated Butterfly Valves

Our air operated/pneumatic butterfly valve solutions include rubber seated butterfly valves from 1.5" to 24" in stock for immediate delivery, with larger sizes also available.

Available Body Styles

  • Lugged
  • Wafer
  • Double Flanged

Body Materials

  • Steel
  • Ductile Iron
  • Cast Iron
  • Stainless Steel
  • Aluminum Bronze
  • Aluminum
  • Hastelloy
  • Monel
  • Duplex
  • Uranus

Available Seat Materials

  • EPDM -30 F to 266 F
  • Buna contact us for temperature
  • Viton contact us for temperature)
  • PTFE -70 F to 392 F
  • NSF 61 EPDM

Optional Seat Materials
  • EPDM-HT
  • CO
  • Neoprene
  • NR
  • Silopren
  • Hypalon
  • Polyurethane

Actuation Options

  • Latch Lever Operators
  • Gear Operators
  • Electric Actuation
  • Positioners and LImit Switches
  • Pneumatic Actuation

Recent Project

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A technician adjusts a valve on a system of blue and gray pipes

Air Operated/Pneumatic Ball Valves

Coming Soon

Explosion-Proof Ball Valves

Coming Soon

Explosion-Proof Butterfly Valves

Coming Soon

3-Way Air Operated/Pneumatic Ball Valves

We offer reliable 3-way pneumatic ball valves designed for long-lasting performance and efficient operation.

Available Configurations

  • 3-Way Brass Ball Valves with Air Actuator
  • 3-Way Stainless Steel Ball Valve with Air Actuator
  • Available in double acting and spring return
  • NAMUR direct mount solenoid valves available
  • Limit switches available
  • Sizes from 1/4" to 3" NPT
  • Larger sizes and additional end connections available
  • Direct mount actuators to valves for longer life
  • NAMUR solenoids direct mount to actuators
  • Additional accessories including limit switches
  • Sizes from 1/4" to 3" NPT

3-Way Air Operated/Pneumatic Butterfly Valves

Our 3-way air operated valve solutions are ideal for diverting and mixing applications across multiple industries.

Available Options

  • Brass 3-Way Air Operated Ball Valves (1/4"–3" NPT)
  • 3-Way Ball Valve T-Port Stainless Steel Air Actuated (1/4" to 3" NPT)
  • 3-Way Ball Valve L-Port Stainless Steel Air Actuated (1/4" to 3" NPT)
  • Flanged L-Port 3-Way Ball Valve Air Actuated in Carbon Steel and Stainless Steel
Pneumatic/Air Operated Control Valves Are Available