Product Overview
Series LF600
Lead Free* Silent Check Valves
Sizes:
1
⁄4”– 2” (8-50mm)
Series LF600 Lead Free* silent check valves efficiently perform
all of the functions of a swing check or vertical lift check valves
and at the same time operate silently to prevent the effects
of water hammer. The Series LF600 check valves feature
Lead Free* construction to comply with Lead Free* installation
requirements.
Features:
• Conical Lead Free* check for full fluid flow
• PTFE seat
• Install in horizontal or vertical position with upward flow
(consult factory for proper use in vertical installations)
• Low pressure drop equivalent to a swing check
• Stainless steel guide, rod and spring (1
1
⁄4” to 2”)
• Silent operation
• Threaded ends
Specifications
A Lead Free* silent check valve shall be installed as indicated
on the plans. The valve shall have a conical Lead Free* check,
PTFE seat and silent operation. Pressure rating no less than
400psi (27.6 bar) WOG non-shock and 15psi (1 bar) WSP.
The silent check valve shall be constructed using Lead Free*
copper silicon alloy. Lead Free* silent check valves shall comply
with state codes and standards, where applicable, requiring
reduced lead content. Valve shall be a Watts Series LF600.
• These valves are not suggested for installation in sewage
ejector piping.
Body
Lead Free* cast copper silicon alloy
Stainless Steel
Stainless Steel
Lead Free* copper silicon alloy
PTFE
Nitrile (1
1
/4” – 2” only)
1
/4” – 1” (3-25mm) Lead Free* brass
1
1
/4” – 2” (32-50mm) Lead Free* brass
Materials
For Residential, Commercial, Industrial and Solar Applications
ES-LF600
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LF600
LEAD FREE
*
* The wetted surface of this product contacted by consumable
water contains less than 0.25% of lead by weight.
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 with-
out prior notice and without incurring any obligation to make such changes and modifications on Watts products previously or subsequently sold.
NOTICE