1" Watts LF600 Soft Seated Check - IPS

Item Number: 0555177
1 1
$266.25
Limited Stock (5)
Estimated transit time: 2 to 5 Business Days Eligible for Express Shipping

Brand - Watts
  • Size: 1 inch
  • Weight: 40.8 lb
  • Connection Type: Female NPT Threaded
  • Body Material: Lead Free Cast Copper Silicon Alloy
  • Seat Material: PTFE
  • Maximum Operating Pressure (WOG Non-Shock): 400 PSI
  • Silent Operation: Yes
  • Installation: Horizontal or Vertical
  • Lead Content: Less than 0.25% by weight

Description

The 1 inch Watts Series LF600 Lead Free silent check valve prevents water hammer in plumbing and industrial systems. Featuring a Lead Free cast copper silicon alloy body and a PTFE seat, this valve offers reliable, silent operation with a low pressure drop. It is rated for 400 PSI WOG non-shock pressure between -20°F and 100°F and can be installed horizontally or vertically. This valve complies with Lead Free standards, certified to NSF/ANSI 372. Item number 0555177.

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Connections

  • This valve features 1 inch female NPT threaded connections. It is designed to connect to male NPT threaded piping of the same size.
  • The valve can be installed in either a horizontal or vertical position, but must be installed with upward flow.
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Additional Details

This 1 inch Watts Series LF600 Lead Free silent check valve is designed for use in general industrial and plumbing applications to prevent the effects of water hammer in piping systems.

This valve provides silent operation with low pressure drop and can be installed in either a horizontal or vertical position with upward flow. It features a conical Lead Free check for full fluid flow and a durable PTFE seat.

Features

  • Conical Lead Free* check for full fluid flow
  • PTFE seat for reliable sealing
  • Designed for silent operation, preventing water hammer
  • Low pressure drop, equivalent to a swing check
  • Can be installed in horizontal or vertical positions with upward flow
  • Threaded ends for easy installation
  • Lead Free* construction, meeting reduced lead content requirements

This is a non-stock, special order item and could take up to 2 weeks or more to deliver. All non-stock items are non-refundable. Please be sure you order carefully. If you have ANY questions, please contact us before ordering.

NOTICE: These valves are not suggested for installation in sewage ejector piping. Do not use for reciprocating air compressor service. Inquire with governing authorities for local installation requirements.

Specifications

  • Size: 1 inch
  • Connection Type: Female NPT
  • Body Material: Lead Free Cast Copper Silicon Alloy
  • Check Material: Lead Free Copper Silicon Alloy
  • Adapter Material: Lead Free Brass
  • Guide Bushing: Stainless Steel
  • Spring Material: Stainless Steel
  • Seat Material: PTFE
  • Operation: Silent
  • Maximum Operating Pressure (WOG Non-Shock): 400 PSI (27.6 bar) at -20°F to 100°F (-29°C to 38°C)
  • Maximum Operating Pressure (WSP): 15 PSI (1 bar) at 250°F (121°C)

Certificates & Approvals

  • NSF Certified to NSF/ANSI 372

FAQs

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

The primary function of this valve is to prevent the effects of water hammer in piping systems, ensuring silent operation and protecting plumbing components.

What materials are used in the construction of this check valve?

This valve features a Lead Free cast copper silicon alloy body, a Lead Free copper silicon alloy check, stainless steel guide bushing and spring, and a PTFE seat. The adapter is made of Lead Free brass.

How should this check valve be installed?

The valve can be installed in either a horizontal or vertical position. For vertical installations, ensure the flow is upward. It uses 1 inch female NPT threaded end connections.

What are the pressure ratings for this valve?

This valve has a maximum operating pressure of 400 PSI (WOG non-shock) for temperatures between -20°F and 100°F, and 15 PSI (WSP) at 250°F.

Is the Watts LF600 check valve Lead Free?

Yes, this valve is Lead Free, meaning the wetted surface contains less than 0.25% of lead by weight. It is certified to NSF/ANSI 372, complying with relevant reduced lead content standards.