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LF601S-075 Watts Lead Free Silent Spring Check Valve 3/4 Inch
   Model: LF601S-075
LF601S-075 Watts Lead Free Silent Spring Check Valve 3/4 Inch
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    invensys valveLead Free* Silent Check Valve

    Model LF601S-075
     3/4" solder end connections

    LF601S Lead Free* Silent Check Valves efficiently perform all of the functions of a swing check or vertical lift check valve and at the same time operate silently to prevent the effects of water hammer. The Series LF601S silent check valves feature Lead Free* construction to comply with Lead Free* installation requirements.

    Valve Features:

    • Viton® disc

    • Cast copper silicon alloy body for durability

    • Integral Lead Free* copper silicon alloy seat

    • Install in horizontal or vertical position with upward flow

    • Low pressure drop equivalent to a swing check

    • Silent operation

    Valve Warranty:

    • 1 Year Manufacturer Warranty 

    Valve Specifications

    A Lead Free* silent check valve shall be installed as indicated on the plans. The valve shall have a Viton® disc, integral Lead Free* copper silicon alloy seat and silent operation. Pressure rating no less than 400psi (27.6 bar) WOG non-shock. The silent check valve shall be constructed using Lead Free* cast copper silicon alloy body and check with Lead Free* brass adapter. Lead Free* silent check valves shall comply with state codes and standards, where applicable, requiring reduced lead content. Valve shall be a Watts Series LF601 (threaded) or LF601S (solder).

    NOTICE These valves are not suggested for installation in sewage ejector piping. Do not use for reciprocating air compressor service.

    * The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight.

    download pdf Specifications


    A typical solar domestic water heating system components and layout is shown below.


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