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About Danfoss Pressure Switch

A certified industrial pressure switch manufacturer delivering compliant products to 22 countries since 2014.

Our Company

Danfoss Pressure Switch was established in 2014 in Ningbo, China, with a clear focus: manufacturing industrial pressure switches that meet international standards at competitive lead times.

Our 85-person team operates a 4,800 m² production facility equipped with automated assembly lines, pressure testing stations, and a calibration laboratory traceable to national metrology standards. We produce mechanical pressure switches, differential pressure switches, electronic pressure transmitters, vacuum switches, temperature switches, and flow switches.

Every product leaving our facility carries ISO 9001, CE, and UL certification. We hold CCC certification for the Chinese market and full RoHS compliance for European distribution.

Danfoss Pressure Switch manufacturing facility in Ningbo

By the Numbers

2014
Founded
85
Employees
22
Countries
1.2M+
Units Shipped

Manufacturing Capabilities

  • CNC-machined brass and stainless steel housings
  • Automated diaphragm welding and assembly
  • Individual pressure testing at rated pressure (100% inspection)
  • Calibration laboratory with NIST-traceable reference instruments
  • Environmental testing: temperature cycling -40 to +85 °C
  • Salt spray testing per IEC 60068-2-52 (96h / 500h)
  • IP rating verification per IEC 60529

Quality Policy

Our quality management system is designed around three principles:

Incoming Material Control

All critical raw materials (diaphragm alloys, contact materials, housing castings) are inspected and tested upon receipt per our approved vendor list requirements.

In-Process Verification

Statistical process control (SPC) is applied at critical stations including diaphragm forming, spring calibration, and electrical continuity testing.

Final Inspection

Every finished product is pressure-tested, electrically verified, and visually inspected before packaging. Calibration data is recorded and traceable by serial number.

Ready to Work With Us?

Contact our sales team for product specifications, pricing, and lead time information.

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