Pressure Controller

Pressure Controller
Pressure Controller
Pressure Controller
Pressure Controller
Pressure Controller
Pressure Controller
Pressure Controller
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An electronic pressure controller is a flexible device geared to regulate the pressure of gas or liquid upstream or downstream of the device. Taking natural or corrosive gas/liquid as its medium, this pressure control device has a wide pressure adjustment range from 0.02 to 42MPa and fixed differential gap.

The pressure controls we provide include differential pressure controllers, explosion-proof pressure switches, and proof pressure switches, each of which have the following functions:

1. Equipped with protective devices for emergent water shortage, where the controller will automatically stop working and then start when filled with water, effectively protecting the pump.
2. Performs well in tough applications, like controlling low-pressure sections of the water pump, water pumps whose differential pressure is quite small, and submerged pumps.
3. A pressure snubber allows the controller to work well without the assistant of a pressure tank in household applications.
4. Detects pipe leakages and pump clogging.
5. Small and energy-efficient, this pressure control is designed to have a long service life.

This single pressure control is designed for a variety of applications involving high or low pressure in refrigeration. With a number of different designs, this industrial pressure controller can be applied to refrigerants of R22, R134A, R404A, and R410A and is reliable and precise.

Technical Specifications of Single Pressure Control

Part No.Range (bar)Differential (bar) Factory Setting (bar)Max. Working Pressure (bar)
Min. Max.Min. Max. Off On
LSP502-0.5 20.2 0.71 0.516.5
LSP503-0.5 30.35 1.52 116.5
LSP506-0.5 60.6 43 216.5
LSP506M-0.5 6≤ 13 Manual Reset16.5
LSP1101 101 36 516.5
LSP5165 162 510 833
LSP5205 202 516 1433
LSP530D5 303 1020 1533
LSP5308 30Fixed 3~520 15~1733
LSP530M8 30≤ 520 Manual Reset33

This dual pressure control, designed for refrigeration and air conditioning systems, protects against excessively low suction pressure or excessively high discharge pressure. At the same time, this dual control could be used for starting and stopping refrigeration compressors and fans on air-cooled condensers.

Technical Specifications of Dual Pressure Control

Part No.Range (bar) Differential (bar) reset PressureFactory Setting (bar) off On
min. Max. min. Max.
LDP830L. side-0.5 60.6 4Auto3 2
H. side8 30Fixed 3~5Auto20 15
LDP830HML. side-0.5 60.6 4Auto3 2
H. side8 30≤ 5Manual20 Maunal Reset
LDP830HLML. side-0.5 6≤ 1Manual3 Maunal Reset
H. side8 30≤ 5Manual20 Maunal Reset

The pressure differential control is designed to monitor and control the difference between two system pressures or vacuums and senses excessive flow deviation, or verifies that a filter is clogged.

Technical Specifications of Pressure Differential Control

Part No.Differential (bar) Factor Y Setting (bar) Max. Working Pressure (bar)
min. Max.
LLD5020.5 20.516.5
LLD5040.5 3.5116.5
LLD504H0.5 3.5133
LLD1061 6116.5
LLD106H1 6133
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