WATTS®

WATTS® 0009471 LFN45B-M1 Standard Capacity Pressure Reducing Valve, 1/2 in, NPT Union Inlet x FNPT Outlet, 400 psi Working, Copper Silicon Alloy Body

1146193 MFG #: 0009471
$286.50 / ea
WATTS® 0009471 LFN45B-M1 Standard Capacity Pressure Reducing Valve, 1/2 in, NPT Union Inlet x FNPT Outlet, 400 psi Working, Copper Silicon Alloy Body
  • Body Material: Copper Silicon Alloy
  • Domestic/Import: Domestic
  • End Style: NPT Union Inlet x FNPT Outlet
  • Media: Water
  • Nominal Size: 1/2
  • Pressure Range: 25 to 75
  • Series: LFN45B
  • Softgoods Material: Thermoplastic Seat/Reinforced EPDM Diaphragm
  • Temperature Rating: 33 to 180
  • Top to Inlet Center: 4-9/16
  • Type: Standard Capacity

WATTS® Pressure Reducing Valve, Standard Capacity, Series: LFN45B-M1, 1/2 in Nominal Size, NPT Union Inlet x FNPT Outlet, 400 psi Working, 33 to 180 deg F, Media: Water, 4-9/16 in Top to Inlet Center, Cast Copper Silicon Alloy Body, Reinforced EPDM Diaphragm

This 1/2 in water pressure reducing valve is designed to reduce incoming water pressure to protect plumbing systems and reduce water consumption for commercial, industrial and residential applications. The easy maintenance assembly consists of a lead free cast copper silicon alloy construction, NPT threaded union inlet and FNPT outlet connection, stainless steel integral strainer, thermoplastic seat module, thermal expansion bypass and a sealed spring cage for waterworks pit installations. The temperature range is 33 to 180 deg F. Suitable for up to 400 psi, the pressure range can be adjusted from 25 to 75 psi with the standard setting at 50 psi.

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  • Features
  • Integral stainless steel strainer removable for cleaning
  • Thermoplastic seat and cage
  • Serviceable in-line
  • Sealed spring cage on all models for accessible outdoor or pit installations
  • Bypass feature controls thermal expansion pressure
  • The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight
  • A water saving test program concluded that reducing the supply pressure from 80 to 50 psi resulted in a water savings of 30%
  • The bypass feature will not prevent the pressure relief valve from opening on the hot water supply system with pressure above 150 psi
  • 25 to 75 psi adjustable reduced pressure range
  • Elastomer disc
  • 50 psi standard reduced pressure setting
  • Standard/Approvals: ASSE 1003, ANSI A112.26.2, CSA B356, IAPMO Listed, NSF/ANSI 61-G, UPC Listed