A Wilspec® Adjustable Pressure Control will stand up to the rigors of extended use.
Wilspec Defender Series™ pressure switches meet the rigorous US and European safety and performance standards.
Wilspec®’s APS units are available in both single and dual models, with your choice of manual or automatic resets.
With industry-standard mounting plates and flexible design, our adjustable pressure switches are easy to install and easy to use. We use premium silver contacts for excellent conductivity, low electrical resistance and superior wear characteristics.
Our switches can be configured with a variety of pressure fittings and electrical connections and can be set for low, medium or high electrical load capacity.
Adjustable set-point design
Laser-welded double bellows provide double protection
Brazed-on pressure fittings
Hermetic pressure sensing element
Premium Contacts ensure consistent electrical continuity
Easy to read markings
Customizable faceplate colors
Easy to install, easy to use
Industry standard mounting plates with flexible design
Single or Dual models
Auto / Manual Reset
Flare or Capillary Pressure Connection
Internal Electrical Connection, Wire Leads, or Wire Harness
High Pressure Adjustable Range
Low Pressure Adjustable Range
Designed & Built
Laser-welded bellows. Extended pressure ranges. Uncompromising design and build quality.
The hallmarks of a Wilspec® Adjustable Pressure Switch are unmistakable. The Wilspec® APS units carry forward the company’s legacy of engineering excellence — a natural outgrowth of our expertise in fixed-point pressure switches.
As global leaders in the design and build of mission-critical pressure controls, we are committed to providing safe and reliable tools for even the most demanding applications. Our in-house engineering team has worked diligently to develop a broad range of user-adjustable pressure switches ideally suited to commercial refrigeration and large-scale chilling operations.
Wilspec® Adjustable Pressure Switches are available with a wide variety of pressure fitting and electrical connectors. Whether your application required one of our standard products or a completely custom arrangement, our broad array of options can be engineered for any system.
Your Wilspec® sales representative can help you find the right options for you.
−50 ° to +70°C (−60 ° to +160°F)
High Pressure Ratings
Adjustable Range: 6 to 32 bar
Max Working Pressure: 34 bar
Burst Pressure: 136 bar
Low Pressure Ratings
Adjustable Range: -0.3 to 7 bar
Max Working Pressure: 20 bar
Burst Pressure: 80 bar
FLA: 12A at 120 / 240VAC
LRA: 72A at 120 / 240VAC
Composite Cu / AgNi Contacts
Materials with Medium Contact
Fitting Assembly: Brass / Bronze / Cu
High Pressure Bellows: Stainless Steel
Low Pressure Bellows: Brass / Bronze
UL, TÜV (EN12263), CE, CE0035,