3-Way Normally Closed Control Valves

3-Way Normally Closed Control Valves | 3-Way Pneumatic Valve

3-way normally closed control valves feature three ports within the valve body, which are used for pressure, output flow and exhaust. These valves are primarily used to operate single-acting actuators such as spring-return cylinders. We manufacture a wide variety of 3-way pneumatic valves, with options available to accommodate your application requirements.

Features of Pneumadyne’s 3 Way Pneumatic Control Valves

  • Numerous porting options for plumbing convenience
  • Black anodized or electroless nickel plated for corrosion resistance
  • Threaded or non-threaded exhaust ports
  • Several actuator styles available
  • Miniature size for applications where space is limited
  • Durable construction for extended working life
  • Operable in vacuum applications up to 26” Hg (depending on the model, check with factory)
See individual product listings for additional information and specifications.

3 Way Pneumatic Control Valve Specs

  • Port options: 1/16 barb, 10-32 (F), 1/8 NPT, 1/8 NPT (F), 5/32 push-in, 1/4 push-in, 0.170 barb
  • Actuator options: push button, detented toggle, momentary toggle, ball, integral air pilot, pin
  • Material: brass (with electroless nickel plating), black anodized aluminum, stainless steel
  • Seal materials: Buna-N, Viton®, Ethylene Propylene
  • Working temperature range: -20° to 160°F (-28° to 71°C)
  • Operating pressure: 26” Hg (vacuum) to 125 psi (vacuum functionality depends on model)

3 Way Pneumatic Valves & More

Pneumadyne is a leading manufacturer of standard miniature pneumatic valves. We can also assist you with design and engineering of custom pneumatic components or full pneumatic control systems.

Request a quote on 3-way normally closed control valves, or contact us to learn more.


With a proven understanding of the design, technology and
manufacture of fluid controls, we create solutions that
provide our customers with a competitive advantage.

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