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Auto Reset Pressure Switch

Name: Auto Reset Pressure Switch
Brand: Changzhou Egret Manufacturing Co., Ltd.

Egret BLPS-YKH & BLPS-YKL auto reset pressure switch is very popular among HVAC&R industries. We not only have high pressure switch, open on pressure drop, closes on pressure rise. But also have low pressure switch, open on pressure rise, closes on pressure drop. On the other hand, pressure switch can divide to SPST(Single pole single throw), and SPDT(Single pole double throw). Moreover, it is a type of cartridge mini pressure switches or controls. In terms of pressure connection ports, it has BSP 1/4, BSP 1/8, 3/8, 1/2, G 1/8, G 1/4, NPT 1/8, SAE 1/4 female flare with deflator 7/16-20UNF. Last but not least, The available pressure setting values can be from 0.02-4.6 mpa.

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Specifications Features Process FAQ

Auto Reset Pressure Switch Specifications

NO.	Name	Features/setting value
1	Setting range of pressure range	3-667PSI/0.02-4.6mpa
2	Tolerance range of pressure switch	1.45-14.5PSI/0.01-0.1mpa
3	Contact form	Normal open, close
3	Contact form	Normal open, close
4	Contact capacity	AC240V,3A,AC120V,6A
5	Contact resistance	≤ 50 MΩ
6	Insulation resistance	between terminal and housing ≥100 MΩ
6	Insulation resistance	between terminal and housing ≥100 MΩ
7	Dielectric strength	No breakdown and flashing in 1min at AC1500V
8		No burst phenomenon in 1min at ≤5000PSI(34.5MPA) blast pressure
8	Maximum burst pressure
9	Gas tightness	No leakage (4.8mpa/1min)
10	Adaptive temperature	-30-80 degree
11	Life cycle	≥100000 times
12	Over pressure Test	Increase to 10mpa.No burst and leakage in 10mins
12	Over pressure Test	Increase to 10mpa.No burst and leakage in 10mins

Features of Auto Reset Pressure Switch

Egret BLPS-YKH and BLPS-YKL series pressure switches are normally open & normally closed pressure switches, SPST or SPDT, quick mounting, snap-action, On/Off pressure switches, available in a wide variety of factory-setting, non-adjustable pressure setting values. Moreover, it is a basic snap disc design pressure switch mainly used in machine control applications. Plus, it is widely used in air conditioning and refrigeration systems, heat pump, water purifiers, etc. Important to realize, the pressure data can be set customized from 3-667 psi. And it has many types of pressure mounting ports, such as male thread, female thread, copper tube, etc. In terms of electrical connection, it can be flying leads, spade terminal, etc.

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Process of Auto Reset Pressure Switch Production

NO.1

First, we use turning lathe and CNC milling machine, to cutting and machining different size of male and female thread, there are BSP 1/4 inch, NPT 1/8 inch etc. On the other hand, we can also use different size of straight or bending copper tube instead of thread connections.

NO.2

Second, punching the metal pressure sensing diaphragms.

NO.3

Third, silver soldering and laser welding, and then assembling the connection port to the disc-shaped metal diaphragm and valve core depressor.

NO.4

Forth, encapsulate the whole parts with black plastic shell housing.

NO.5

Fifth, factory calibrating the different customized pressure setting. Finally, wiring, acid pickling, epoxy, and inspection.