Nanjing Wotian Technology Co., Ltd.

Pressure sensor manufacturing for 15 years.

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

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

  • PMA/PMF Adjustable Low Pressure Switch

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
  Actuation Point

3

50 - 150

3.5 - 10

Less than 10% of
  Actuation Point

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
  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)

MAXIMUM OVERPRESSURE:

350 PSI (24 Bar)

WEIGHT:

0.07   kg


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.