ES-123LP For Residential and Point of Use Applications Job Name –––––––––––––––––––––––––––––––––––––––––––– Contractor ––––––––––––––––––––––––––––––––––––––––––––– Job Location –––––––––––––––––––––––––––––––––––––––––– Approval – ––––––––––––––––––––––––––––––––––––––––––––– Engineer –––––––––––––––––––––––––––––––––––––––––––––– Contractor’s P.O. No. ––––––––––––––––––––––––––––––––––– Approval – –––––––––––––––––––––––––––––––––––––––––––– – Representative ––––––––––––––––––––––––––––––––––––––––– Series 123LP Water Pressure Reducing Valves Size: 1⁄2" – 3⁄4" (15 – 20mm) Series 123LP Water Pressure Reducing Valves are designed to reduce incoming water pressure to a sensible level to protect plumbing system components and reduce water consumption. This series is suitable for water supply pressures up to 200psi (13.8 bar) and may be adjusted from 10 – 30psi (69 – 207 kPa). The standard setting is 30psi (207 kPa). All parts are quickly and easily serviceable without removing the valve from the line. Features •  High performance •  High flow capacity •  Integral stainless steel valve seat •  Integral stainless steel strainer •  Bronze body construction •  Serviceable in-line Pressure – Temperature Temperature Range: 33˚F – 180˚F (0.5˚C – 82˚C) Maximum Working Pressure: 200psi (13.8 bar) Adjustable Reduced Pressure Range: 10 – 30psi (69 – 207 kPa) Standard Reduced Pressure Setting: 30psi (207 kPa) Dimensions – Weights Specifications A Water Pressure Reducing Valve and strainer shall be installed to reduce pressures of 35psi (241 kPa) or less. The valve shall have a stainless steel seat with EPDM seat disc and diaphragm. Valve shall be a Watts Regulator Company Series 123LP. Body: Seat: Integral Strainer: Diaphragm: Valve Disc: Capacity A Size (DN) dimensions 41 69 14 D 0 14 10 Bronze Stainless steel Stainless steel Reinforced EPDM EPDM Inlet – 83psi (572 kPa) Reduced – 18psi (124 kPa) psi kPa 6 C B Materials 0 2 Valve Features a Modular Seat & Disc Assembly 96 in. mm ⁄ 3⁄4 12 18 124 0 0 2 7.6 4 15.2 6 22.8 8 30.4 10 38 12 45.6 A in. B Weight C mm in. mm 15 31⁄16 78 20 31⁄16 78 5 5 127 33⁄8 127 33⁄8 in. D mm in. mm lbs. 86 86 15⁄8 15⁄8 41 41 1.6 .73 1.6 .73 kgs. 14 gpm 53.2 lpm Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Watts Technical Service. Watts reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold. USA: 815 Chestnut St., No. Andover, MA 01845-6098; www.watts.com Canada: 5435 North Service Rd., Burlington, ONT. L7L 5H7; www.wattscanada.ca ES-123LP 0936 A Watts Water Technologies Company © 2009 Watts