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Quick Details

  • Place of Origin: Jiangsu, China (Mainland)
  • Brand Name: EGRET
  • Model Number: BLPS-YKHL
  • Max. Current: 6A
  • Max. Voltage: 240V
  • Max. Working Pressure: 4.5Mpa
  • Working Pressure:: 0.02MPA-4.5MPA
  • Temperature range:: -35℃ ~+120℃
  • Thread size:: 1/2,1/4,1/8,7/16-20 In BSP or NPT
  • Flame retardant rating:: UL-94V-0
  • Service life:: 100,000 times
  • Machine connection:: thread or Copper tube welding
  • thread or Copper tube welding: AC 240V 3A, AC 120V 6A.
  • Contact Resistance:: ≤20 MΩ plus lead resistance

Packaging & Delivery

Delivery Time AS SOON AS POSSIBLE

Specifications

Pressure switch,
1. Easy to use and install
2. Security and reliability
3. The authetication of VDE, UL, CE

 

Products Description

The BLPS pressure controller has three categories of series in term of BLPS-YKHL series, BLPS-YKM series and BLPS-YKH2X3 series. The BLPS-YKHL is called BaiLu automatic reset pressure switch with range of high and low pressure. The BLPS-YKM is called BaiLu manual reset pressure switch. The BLPS-YKH2X3 is called Automatic reset (triangle inserts) pressure switch.

 

There are many different type/size of pressure switches which can be determined by customers in use of different machines. The series are external whorl pressure switch, internal whorl pressure switch and pressure switch with determined cables, etc.(See figure1).

Figure 1:

Code/Title

Type1

Type2

Type3

BLPS-YKHL

External/Internal whorl

Brass straight Tube

With determined cable

BLPS-YKM

External/Internal whorl

Brass straight tube

With determined cable

BLPS-YKH2X3

External/Internal whorl

Brass straight tube

With determined cable

Application

BLPS-YK series pressure controller functions to control pressure transmission power switch on/off based on the principle of instability jumping when the dish metal diaphragm is under uniform pressure load.

 

It is mainly used for high or low pressure protection and controls on household, commercial and automotive air conditioning refrigerating systems, and can also be used to protect and control high or low pressure on air compressor, hydraulic machines, various equipment and tools.

Operation/working principles

when the medium (liquid or gas) pressure within the pressure system is above or below the rated security pressure, the dish metal diaphragm within the system jumps instantaneously, thus to push the switch contact to be connected or disconnected through a connecting rod; when the pressure drops to the rated recovery value, the dish metal diaphragm is instantaneously reset and the switch is automatically reset.

 

Specialist/ Features:

1, With screw quick coupling or copper tube welded structure, it is flexibly installed and easily used with no special installation and fixing mode.

 

2, Insert and wire-type electrical connectors can be selected by users.

 

3,Unipolar single-throw or unipolar double-throw, normally open or normally closed switch contact structure options can be selected by users, while the sealed stainless steel sensor is safe and reliable.

 

4, It can be manufactured according to any pressure value selected by users within the pressure range of 3-667PSI (0.02-4.6Mpa).

 

5, Fitting structure: Copper tube welding, Copper flare fitting

 

6, connection: terminal and wiring

 

Technical features/standard

 

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

4

Contact capacity

AC240V,3A,AC120V,6A

5

Contact resistance

≤ 50 MΩ

6

Insulation resistance

≥100 MΩ(between terminal and housing)

7

Dielectric strength

No breakdown and flashing in 1min at AC1500V

8

Maximum burst pressure

No burst phenomenon in 1min at ≤5000PSI(34.5MPA) blast 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

 

            

 

 

 

 

 

 

 

 

 

Common used pressure value reference

 

Code

Series

Opening pressure value

Closing pressure value

Pressure category

Contact form

1

BLPS-YKH

2.5±0.06

2.0±0.05

High pressure

Normal close

2

BLPS-YKH

2.6±0.06

2.2±0.06

High pressure

Normal close

3

BLPS-YKH

2.8±0.06

2.2±0.06

High pressure

Normal close

4

BLPS-YKH

3.0±0.06

2.4±0.06

High pressure

Normal close

5

BLPS-YKL

0.05±0.03

0.15±0.04

Low pressure

Normal open

6

BLPS-YKL

0.15±0.04

0.3±0.05

Low pressure

Normal open

7

BLPS-YKL

0.3±0.05

0.45±0.05

Low pressure

Normal open

8

BLPS-YKL

0.02±0.01

0.15±0.04

Low pressure

Normal open

(Remark: The pressure value can be manufactured according to the requirement of customer)

 

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