1 1/4 LF4000BM2-FP

Item Number: 88007301
1 1
$4,791.75
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When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Ames
  • Size: 1 1/4 inch
  • Weight: 18.5 lb
  • Body Material: Lead Free Bronze
  • Maximum Operating Pressure: 175 PSI
  • Maximum Operating Temperature: 180°F
  • Wetted Surface Lead Content: <0.25%
  • Shutoff Valves: Gear operated slow close isolation
  • Certifications: ASSE Std. 1013, CSA B64.4, NSF/ANSI 61-G
  • Maintenance: Single access cover, no special tools required

Description

This 1 1/4 inch Lead Free Reduced Pressure Zone Backflow Preventer Assembly by AMES (Series LF4000B-FP) is designed to protect potable water supplies from pollution due to backsiphonage and backpressure, meeting national plumbing codes. It features a durable lead-free bronze body, two independent check valves with captured springs, and an internal pressure differential relief valve. Gear operated slow close isolation valves and pre-wired tamper switches are included. Its compact, modular design with a single access cover allows for easy in-line maintenance without special tools. Ideal for health hazard cross-connections and service line containment, it handles up to 175 PSI at 180°F.

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Connections and Compatibility

This Reduced Pressure Zone Backflow Preventer Assembly is equipped with National Pipe Thread Taper ANSI/ASME B1.20.1 end connections. These threaded connections provide a secure and standard interface for installation into existing piping systems, ensuring broad compatibility with a variety of plumbing setups where health hazard cross-connection protection is required. The gear operated slow close isolation valves further ensure proper integration and control within the system.

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Additional Details

This 1 1/4 inch Reduced Pressure Zone Backflow Preventer Assembly is engineered to prevent the flow of polluted water from entering potable water supplies due to backsiphonage or backpressure, adhering to national plumbing codes.

It is suitable for a variety of installations, including health hazard cross-connections in piping systems and service line containment, offering a compact modular design that facilitates easy in-line maintenance.

Key Features

  • Lead free bronze body construction for enhanced durability.
  • Gear operated slow close isolation valves with National Pipe Thread Taper ANSI/ASME B1.20.1 connections.
  • Features two in-line, independent check valves with captured springs and replaceable check seats for reliable operation and economical repair.
  • An internal pressure differential relief valve is located between the check modules, designed for reduced installation clearances and space savings.
  • Single access cover and modular check construction for simplified maintenance, with all internals immediately accessible.
  • Includes four resilient seated test cocks with screwdriver slotted for sizes 1" to 2".
  • Equipped with two pre-wired tamper switches, one per shutoff.
  • Large body passages ensure low pressure drop.
  • No special tools required for servicing.

Specifications

  • Product Type: Reduced Pressure Zone Backflow Preventer Assembly
  • Series: LF4000B-FP
  • Size: 1 1/4 inch
  • Body Material: Lead Free Bronze
  • Check Valve Material: Silicone rubber disc
  • Check Seat Material: Replaceable Polymer
  • Maximum Operating Pressure: 175 PSI (12.06 bar)
  • Maximum Operating Temperature: 180°F (75°C)
  • Wetted Surface Lead Content: Less than 0.25%
  • Shutoff Valves: Gear operated, full port, resilient seated bronze ball valves
  • Test Cocks: Four resilient seated, screwdriver slotted
  • Isolation Valves: Two gear operated slow close
  • Relief Valve: Internal pressure differential, removable seat
  • Access: Single access cover with stainless steel bolts
  • Tamper Switch: 2 per shutoff (pre-wired)

Connections

  • End Connections: National Pipe Thread Taper ANSI/ASME B1.20.1

Dimensions (Approximate)

  • Overall Length (A): 17 in (432 mm)
  • Width (E): 11 1/8 in (283 mm)
  • Height (I): 17 7/8 in (454 mm)
  • Weight: 19.1 lbs (8.7 kg)

Certificates & Approvals

  • USC Manual 8th Edition
  • ASSE Std. 1013
  • AWWA Std. C511
  • CSA B64.4
  • AWWA C511-92
  • IAPMO File No. 1563
  • ULUS Classified
  • NSF Certified to NSF/ANSI 61-G
  • Approved by the Foundation for Cross-Connection Control and Hydraulic Research at the University of Southern California

FAQs

What is the primary function of this backflow preventer assembly?

This assembly is designed to prevent polluted water from entering potable water supplies due to backsiphonage or backpressure, ensuring compliance with national plumbing codes.

What is the maximum operating pressure and temperature this unit can handle?

It is suitable for supply pressures up to 175 PSI (12.06 bar) and water temperatures up to 180°F (75°C) continuously.

Is this backflow preventer assembly easy to maintain?

Yes, it features a compact modular design with a single access cover, allowing all internal components to be immediately accessible for easy in-line maintenance without the need for special tools.

What type of end connections does this assembly have?

This assembly is furnished with National Pipe Thread Taper ANSI/ASME B1.20.1 end connections, which are standard for threaded plumbing installations.

Is the product compliant with lead-free standards?

Yes, it features lead-free bronze body construction, and the wetted surface contacted by consumable water contains less than 0.25% of lead by weight, meeting relevant lead-free requirements.