Lead Free* Silent Spring Check Valve

Model LF601S-050
1/2" 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.

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

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