1 1/4" Watts LF600 Soft Seated Check

Item Number: 0555178
Skip to product information
1 of 1
Regular price $379.87
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Watts

  • Size: 1 1/4 inch
  • Weight: 24.6 lb
  • Body Material: Lead Free Cast Copper Silicon Alloy
  • Seat Material: PTFE
  • Silent Operation: Prevents water hammer
  • Maximum Operating Pressure: 400 PSI WOG non-shock
  • Installation: Horizontal or vertical with upward flow
  • End Connections: Threaded
  • Lead Free: Less than 0.25% lead content

Description

The Watts LF600 1 1/4 inch Lead Free Silent Check Valve is designed for reliable protection against water hammer in residential, commercial, industrial, and solar applications. Featuring a durable Lead Free cast copper silicon alloy body and a PTFE seat, this valve ensures silent operation and low pressure drop. It is suitable for both horizontal and vertical installations with upward flow and has threaded end connections. The valve is rated for a maximum working pressure of 400 PSI WOG non-shock. Item number 0555178.
View full details

Collapsible content

Additional Details

The Watts Series LF600 Lead Free Silent Check Valve is designed for general industrial and plumbing applications to prevent water hammer effects in piping systems. This valve operates silently with a low pressure drop and can be installed in either a horizontal or vertical position with upward flow.

Features

  • Features a conical Lead Free check for full fluid flow.
  • Equipped with a durable PTFE seat.
  • Offers silent operation to prevent water hammer.
  • Designed for low pressure drop, equivalent to a swing check.
  • Constructed with a Lead Free copper silicon alloy body and check.
  • Can be installed in horizontal or vertical position (with upward flow).
  • Utilizes threaded ends for connection.

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

Specifications

  • Body Material: Lead Free Cast Copper Silicon Alloy
  • Check Material: Lead Free Copper Silicon Alloy
  • Seat Material: PTFE
  • Guide Bushing: Stainless Steel
  • Spring Material: Stainless Steel
  • O-ring Material: Nitrile (for 1 1/4" - 2" models only)
  • Adapter Material: Lead Free Brass (1 1/4" - 2" Lead Free Brass)
  • Connection Type: Threaded Ends
  • Sizes Available: 1/4" - 2"
  • Maximum Operating Pressure (WOG Non-Shock): 400 PSI (27.6 bar) @ -20°F to 100°F (-29°C to 38°C)
  • Maximum Operating Pressure (WSP): 15 PSI (1 bar) @ 250°F (121°C)
  • Lead Content: Wetted surface contacted by consumable water contains less than 0.25% lead
  • Certifications: NSF Certified to NSF/ANSI 372

FAQs

What is the primary function of the Watts LF600 silent check valve?

The primary function of the Watts LF600 silent check valve is to prevent the effects of water hammer in piping systems and ensure silent operation. It performs the functions of both swing and vertical lift check valves.

Can this check valve be installed in any position?

This check valve can be installed in either a horizontal or vertical position. For vertical installations, ensure the flow is upward.

What materials are used in the construction of the Watts LF600 valve?

The Watts LF600 valve features a Lead Free cast copper silicon alloy body and check, a PTFE seat, stainless steel guide bushing and spring, and a Lead Free brass adapter. The O-ring is Nitrile for this size.

What is the maximum pressure rating for this 1 1/4 inch check valve?

This 1 1/4 inch check valve has a maximum operating pressure of 400 PSI (27.6 bar) WOG non-shock at temperatures from -20°F to 100°F, and 15 PSI (1 bar) WSP at 250°F.

Is this valve suitable for use with potable water?

Yes, this valve is Lead Free compliant, meaning the wetted surface of the product contacted by consumable water contains less than 0.25% of lead by weight, making it suitable for potable water applications.