Project Description

Low Pressure Switch

RO system is a pressure-driven process, small household RO units will theoretically operate in a very low pressure (down to 35 psi, according to some membrane manufacturers, but the reality is, you won’t get a lot of water and the product water quality will be compromised if the RO unit runs below 45 psi.) Low inlet pressure makes the unit produce more rejected water, produce less drinking water, fill the storage tank more slowly, and produce lower quality water. Ro units run well on typical municipal water pressure of 60 psi, but they run even better with a small pump to boost the pressure up to 80 psi or higher.

P/NTube ODTube OD
LPS041/41/4

Features

  • Fast, easy installation.
  • No soldering, gluing, or crimping.
  • Removable, and reusable.
  • Food grade.
  • Lead free and non toxic.
  • Push to connect technology

Benefits

  • For plumbing, heating and irrigation.
  • Quick and convenient assembly, saving time and expense.
  • Push to connect for the perfect connection every time.
  • OEM/ODM are both available.

Application

  • RO water purifier
  • Water dispenser
  • Coffee machine
  • Vending machine
  • Other fluid systems


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The low pressure switch is typically for protecting the pump from a low pressure situation such as loss of feed water. It would be located between the pump and the tap or water pipe. It will turn off the pump in case of water stops coming from main supply system of if the pressure is very low for functioning of the RO. Generally, the low pressure switch is set at 0.25 Mpa to turn on the booster pump and at 0.1 Mpa turn off the pump.

low pressure switch for purifier
low pressure switch