Swagelok Springless Diaphragm Valves from Swagelok Northern California

Swagelok Springless Diaphragm Valves

Depend on our valves and our people for high performance

We rigorously test every valve and end connection we make for quality and performance. So you can be confident they deliver unparalleled value and low total cost of ownership.

  • Get the literature: Fill the form on this page to get quick links by email to Swagelok catalogs and test reports on these types of valves. We keep your email private.
  • Get a hand: Would you like help choosing a valve, or delivery of a warrantied assembly ready to use in your project? We're here to help.

Help me choose ›BUILD IT FOR ME ›

DP Series

High Performance DP Series

Springless Diaphragm Valves for High Performance

  • Suitable for ultrahigh-purity applications
  • 316L VIM-VAR stainless steel body
  • Low-pressure and high-pressure models
  • VCR®, tube butt weld, and modular surface-mount (MSM) end connections
  • Manual or pneumatic actuation
DP Series

High-Flow DF Series

High-Flow Springless Diaphragm Valves, DF Series

  • Suitable for ultra-high purity applications
  • 316L VAR stainless steel body
  • Working pressures up to 300 psig (20.6 bar)
  • Multiport and multivalve manifold configurations
  • 1/4, 3/8, 1/2 in. end connections
Swagelok-DPX-DFX-Replaceable-Seat-Diaphragm-Valves

Replaceable-Seat DPX/DFX Series

Replaceable-Seat Springless Diaphragm Valves, DPX and DFX Series

  • Designed for semiconductor chemical cannister applications
  • 316L VIM-VAR stainless steel body material
  • Isolation and 3-port configurations
  • 1/4 and 3/8 in. tube butt weld and 1/4 in. VCR® and "H"Type end connections
  • Standard and high-flow models
ALD valve

ALD Series

Atomic Layer Deposition Diaphragm Valves, ALD Series

  • Ultrahigh cycle life with high-speed actuation
  • Cv range from 0.27 to 0.62 
  • Up to 392°F (200°C) capability with thermal actuators
  • Electronic actuator position-sensing option
  • Suitable for ultrahigh-purity applications with 316L VIM-VAR stainless steel
  • VCR®, tube butt weld, and 1.125 in. and 1.5 in. modular surface-mount end connection

For Modular Gas Systems

Springless Diaphragm Valves for Modular Gas Systems, DE Series

  • 1.125 in. C-seal and W-seal designs
  • Available in two- and three-port configurations
  • Compact pneumatic and manual actuators
  • Fully contained PFA seat design
  • Up to one million cycles
  • Competitive cost, plus total lower cost of ownership

Quick help from our local team

Ask a question or start an order using our website. We monitor closely and can usually respond quickly. Or, give us a call at 510-933-6200.