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Cut-Down Pressure Valve

  • Aquawin Water
  • Products > RO Accessories / Parts / Bracket > Cut-Down Pressure Valve
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    The purpose of the booster pump is to increase water pressure going into the R.O. System. The working pressure of RO Membrane is about 5-6 kg/cm2 (70-80 psi), so we have to use booster pump to increase pressure. Every 10 meters of height can produce 1kg / cm2 (14.22 psi) of water pressure.

    If your water pressure is 6 kg/cm2 (80psi), it's enough to run R.O. System nicely and do not need a booster pump. Conversely, if the inlet pressure is higher than the above values, you need to install the Cut-Down Pressure Valve, in order to avoid over pressure, causing filter housing or pipe burst.
    Pressure Regulator Valve, Plastic Cut-Down Pressure Valve

    C-291-14

    Cut-Down Pressure Valve / Plastic

    Pressure Limiting Filter Protection Valve Single Check Z-LV-FPV-0104

    1/4” NPT (Outlet Pressure: 40 / 50 / 70 / 80 / 125 PSI ±10% at 150PSI.)

    Cut-Down Pressure Valve / Plastic

    Filter Protecting Valve, Pressure Regulator Valve

    C-291-15

    Filter Protecting & Pressure Regulator Valve / Plastic

    Pressure Limiting Filter Protecting Valve Single Check Z-LV-FPV-0308

    3/8” NPT (Outlet Pressure: 40 / 50 / 70 / 80 / 125 PSI ±10% at 150PSI.)

    Cut-Down Pressure Valve / Plastic

    Limiting Valve, Plastic Double Check Valve

    C-291-18

    Limiting Valve / Plastic / Double Check Valve

    Pressure Limiting Filter Protection Valve (Dual Check Valve Included) Z-LCV-FPV-0104-50

    1/4” NPT (Outlet Pressure: 40 / 50 / 70 / 80 / 125 PSI ±10% at 150PSI.)

    Cut-Down Pressure Valve / Plastic / Double Check Valve

    Pressure Reducing Valve (40PSI)

    C-291-21

    Pressure Reducing Valve (40PSI)

    In-Out Size: 3/4" NPT

    Plastic Cut-Down Pressure Valve(70PSI)

    C-291-22

    Plastic Cut-Down Pressure Valve(70PSI)

    In-Out Size: 3/4" NPT

    Plastic Cut-Down Pressure Valve

    C-291-9

    Cut-Down Pressure Valve / Plastic

    1/4” NPT

    Cut-Down Pressure Valve / Copper

    C-291-4

    Cut-Down Pressure Valve / Copper

    1/4” NPT

    Copper Cut-Down Pressure Valve

    C-291-10

    Cut-Down Pressure Valve / Copper

    1/2” NPT

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