Pусский 
PMA/PMF Adjustable Low Pressure Switch
Adjustment range: 2~150PSI
Maximum overpressure: 350PSI
Protection: IP00 (exposed terminal), IP69 (flying leads, Deutsch integral)
Diaphragm: Buna-N (optional EPDM, KAPTON ® or VITON ®)
Housing: brass (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.
China factory set adjustable low pressure switch, creep action KAPTON diaphragm brass housing pressure switch
PMA mechanical adjustable low pressure switch is creep action type of ±3% repeatability. Adjustment range is 0.14-10bar. Average differential less than 10% of actuation point. It is applicable to hydraulic field, pneumatic, water process, refrigerant, air conditioning and beverage industries, etc.
Product Parameters
Performance Parameters |
Model | Adjustment Range | Avg. Differential | Model | Adjustment Range | Avg. Differential | |||||
PSI Bar | PSI Bar | |||||||||
1 | 2 - 20 | 0.14 - 1.4 | Less than 10% of | 3 | 50 - 150 | 3.5 - 10 | Less than 10% of | |||
2 | 15 - 100 | 1.03 – 6.9 | ||||||||
ELECTRICAL: 100VA/42VDC Gold contacts may be required for less than 12 VDC and 20 milliamp WETTED MATERIAL: Diaphragm: KAPTON® (optional EPDM, VITON®, Buna-N) Housing: Brass (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 SWITCH TYPE: Creep Action MECHANICAL LIFE: 1,000,000 cycles | TEMPERATURE RANGE: BUNA-N: -26℃~110℃ (® Registered Trademark of DuPont) MAXIMUM OVERPRESSURE: 350 PSI (24 Bar) WEIGHT: 0.07 kg | ||||||||
Production process
Testing Equipment
Certificate
Company profile
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.
