Diaphragm Type Pressure Switch – Stainless Steel, 0.1–1MPa Pressure Switch Qst black

Diaphragm Type Pressure Switch – Stainless Steel, 0.1–1MPa

black
Sale price  $31.22 Regular price $39.15
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Diaphragm Type Pressure Switch – Stainless Steel, 0.1–1MPa Pressure Switch Qst black

Diaphragm Type Pressure Switch – Stainless Steel, 0.1–1MPa

Sale price  $31.22 Regular price $39.15
Colorblack

Adjustable Diaphragm Type Pressure Switch for Pumps

Keep your pneumatic and water pump systems running smoothly with this professional-grade Diaphragm Type Pressure Switch. Built from premium stainless steel and rubber, it delivers reliable pressure control with a long mechanical life of up to 1 million cycles. Compact, lightweight, and easy to install — this switch is the dependable choice for home, workshop, and industrial pump applications.

Made in Mainland China.

Key Features

  • Insulated Safety Cover: Features an external insulating sheath cover for a safer electrical circuit — giving you extra peace of mind during operation.
  • Premium Stainless Steel & Rubber Construction: Resistant to corrosion and wear, ensuring exceptional durability and a long service life.
  • Fully Adjustable Pressure: Set your desired pressure easily using a hex wrench (not included) — turn clockwise to increase pressure, counterclockwise to decrease it.
  • Wide Pressure Range: Operates from 0.1 to 1.0 MPa, making it versatile for compressed air and water pump systems.
  • IP54 Protection Rating: Dust and splash resistant (with insulating sheath installed) — suitable for demanding environments.
  • Quick, Tool-Friendly Installation: Compact size and 1/4" thread fitting make setup fast and straightforward.
  • Broad Voltage Compatibility: Works with AC220V, AC110V, DC24V, and DC12V systems.

Specifications

Item Type Diaphragm Type Pressure Switch
Material Stainless Steel, Rubber
Thread Size 1/4 in
Pressure Range 0.1 – 1.0 MPa (Adjustable)
Max Pressure Resistance 1.0 MPa
Max Pulses 200 cycles/min
Operating Medium Compressed Air, Water
Temperature Range -5°C to 60°C
Rated Current 500 mA
Rated Power 250 W
Rated Voltage AC220V / AC110V / DC24V / DC12V
Protection Level IP54 (with sheath)
Mechanical Life 1,000,000 cycles

How to Install

  1. Cut off the top of the insulation sleeve.
  2. Complete the internal wiring connection.
  3. Reinstall and secure the completed insulation sheath.

Package Contents

  • 1 × Diaphragm Type Pressure Switch

Note: The "NO" (Normally Open) version is open at rest and closes when the contact pressure rises to the preset value.

Looking for other workshop and utility tools? You may also like the 2.3m Flexible Car Drain Cleaning Brush – Sunroof Pipe Tool or the Bincoo 3-Valve 316 Stainless Steel Moka Pot for other precision stainless steel products in our store.

Learn more: OSHA guidance on hand and power tools

Frequently Asked Questions

Q: What operating media is this diaphragm pressure switch compatible with?

A: This diaphragm type pressure switch is designed to work with both compressed air and water, making it versatile for a wide range of pneumatic and water pump applications.

Q: How do I adjust the pressure setting on this switch?

A: You can adjust the pressure using a hex wrench (not included). Turn the adjustment screw clockwise to increase the pressure setpoint, and counterclockwise to decrease it. The switch supports a range of 0.1 to 1.0 MPa.

Q: Is this pressure switch suitable for outdoor or wet environments?

A: Yes. With the insulating sheath installed, this switch carries an IP54 protection rating, meaning it is protected against dust ingress and water splashing from any direction — suitable for demanding workshop or outdoor pump environments.

Q: What voltage systems does this pressure switch support?

A: This switch is compatible with AC220V, AC110V, DC24V, and DC12V systems, covering most standard residential and industrial electrical configurations.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.

Intentional design

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Feature 1

Made with care and unconditionally loved by our customers, this signature bestseller exceeds all expectations.

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Made with care and unconditionally loved by our customers, this signature bestseller exceeds all expectations.

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