Nanjing Wotian Technology Co., Ltd.

Pressure sensor manufacturing for 17 years.

Keywords: Nanjing WotianPressure Sensor FactoryMonocrystalline Silicon Differential Pressure SensorLevel TransmitterPressure TransmitterPressure Sensor

You are here: WT Home > Products > Pressure Switch and Temp. Switch

  • EPA/EPF Adjustable High Pressure Switch

EPA/EPF Adjustable High Pressure Switch

Adjustment range: 1.5~6000PSI

Maximum overpressure: 9000PSI

Protection: IP00 (exposed terminal), IP69 (flying leads, Deutsch integral)

Diaphragm: Buna-N (optional EPDM, KAPTON ®, VITON ® or low temperature nitrile)

Housing: galvanized steel (optional electroless nickel plated steel or 316 stainless steel)

Mechanical life: 1,000,000 cycles


Applications

Industrial and mobile hydraulic field as well as pneumatic, water process, refrigerant, air conditioning, beverage and other associated industries.


factory set creep action adjustable high pressure switch, Buna-N ±3% repeatability mechanical pressure switch


EPA China factory made adjustable mechanical high pressure switch is creep action type of ±3% repeatability with flying lead, Deutsch, spade connector of IP69. The diaphragm material is Buna-N, EPDM, KAPTON, VITON, applicable to hydraulic, pneumatic, water process, refrigerant, air conditioning, etc

Product Parameters

Performance Parameters

Model

Adjustment Range

Avg. Differential

Model

Adjustment Range

Avg. Differential

PSI           Bar


PSI           Bar


1

1.5-30

0.10-2.0

Less than 10% of
  Actuation Point

3

300-2500

20-170

Less than 10% of
  Actuation Point

1A

14.5-200

1.0-14

4

3000-6000

207-414

2

125-600

8-40

5

500-3500

35-240


ELECTRICAL:

100VA/42VDC

Gold contacts may be required for   less than 12 VDC and 20 milliamp

WETTED MATERIAL:

Diaphragm:   Buna-N (standard)

(optional   EPDM, KAPTON®, VITON®
  Low Temperature Nitrile)

Housing:   Zinc-Nickel Plated Steel
  (optional Steel - Electroless Nickel Plated, 316 Stainless Steel)

PROTECTION:

Exposed   Terminals - IP00

Flying   Leads & Deutsch Integral - IP69

 

REPEATABILITY:

± 3% of full set   point range at 21°C
  Ambient Temperature

SWITCH TYPE:

Creep   Action

MECHANICAL LIFE:

1,000,000   cycles

TEMPERATURE RANGE:

BUNA-N:   -26~110
  EPDM: -23
~121
  KAPTON®: -40
~110
 
VITON®:   -18~150

(® Registered   Trademark of DuPont)

Low   Temp Nitrile: -40~110

MAXIMUM OVERPRESSURE:

9000 PSI (620 Bar)

WEIGHT:

0.07   kg


Production process

EPA/EPF Adjustable High Pressure Switch

Certificate

EPA/EPF Adjustable High Pressure Switch

Company profile

PCM580 Digital Pressure Gauge (Φ80mm)

Nanjing Wotian Technology Co., Ltd. was established in 2005. It is an outstanding top sensor mkanufacturing enterprise in Jiangning District. The company was rated as Nanjing Engineering Technology Research Center and Nanjing. Municipal Engineering Research Center, Nanjing Enterprise Technology Center, Nanjing Postdoctoral Innovation Demonstration Base; is the unit that formulated the national standards for "Silicon Piezoresistive Pressure Sensitive Chips" and "Silicone Pressure Sensors". It is the leading domestic manufacturer of pressure sensors, with core technology of diffused silicon pressure sensor pressure transmitter, level sensor and temperature sensor and existing staff 305. The annual production of pressure sensors is more than 2 million. The products have been exported to more than 70 countries and regions. Nanjing Wotian was awarded the honorary title of "Sensor Application Program Demonstration Enterprise" by the Ministry of Industry and Information Technology in 2019. "Creating value for customers" is the goal that enterprises always pursue. As leading manufacturer in the domestic pressure sensor industry, the company will revitalize China's pressure sensor business as its own responsibility, work diligently, step by step, strive to make pressure sensors better, and provide customers with cost-effective sensors.  Nanjing Wotian Technology Co., Ltd. has passed ISO9001-2015 quality management system certification and TS16949 certification for the automotive industry.


Company advantage

Mass production

We have one production center in Nanjing and one production center in Anshan with 20,000㎡plant and 170 units of production equipments. The main annual capacity of sensors is about 2,000,000 pieces.

Imported equipments

We imported 20 sets of pressure controller and 150 units of testing ovens to our production line.

Informatization management

We have the information management system of CRM, PLM, ERP, MES and DINGDING etc.

Comprehensive testing

We have our own lab and testing equipment such as lightning stroke, surging, static electricity, vibration, high-low temperature impact test and helium mass-spectrum leak detection.