1 4000B M2

Item Number: 0436096
1 1
$1,065.74
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Ames
  • Size: 1 inch
  • Weight: 11.45 lb
  • Body Material: Bronze
  • Maximum Operating Pressure: 175 PSI
  • Maximum Operating Temperature: 180°F
  • End Connections: NPT
  • Easy Maintenance: Single access cover
  • Compact, Space Saving Design
  • Approvals: ASSE 1013, AWWA C511-92, CSA B64.4

Description

The AMES 1 inch Series 4000B Reduced Pressure Zone Backflow Preventer Assembly protects potable water supplies from contamination due to backsiphonage or backpressure. Constructed from durable bronze with NPT end connections and quarter-turn ball valve shutoffs, this unit is ideal for non-potable applications like irrigation or industrial processing. Its compact, modular design features a single access cover and replaceable internal components for easy, in-line maintenance without special tools. Approved to AWWA C511-92, ASSE 1013, and CSA B64.4 standards, it operates up to 175 PSI and 180°F.

Help Me Connect

The 1 inch AMES Series 4000B M2 Reduced Pressure Zone Assembly comes standard with NPT (National Pipe Taper) end connections for direct threading into your piping system. This allows for straightforward installation into existing infrastructure.

  • The inlet and outlet connections are designed to accept 1 inch male NPT threaded pipes.
  • The assembly includes quarter turn ball valve shutoffs with tee handles for isolation.
  • It features four resilient seated test cocks for easy testing and maintenance.

For systems requiring union connections, optional bronze union inlet and outlet connections are available (specify prefix U, 1/2" - 2").

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Additional Details

This 1 inch Reduced Pressure Zone (RPZ) backflow preventer assembly is designed to protect drinking water supplies from dangerous cross-connections, preventing the flow of polluted water from entering the potable water supply due to backsiphonage and/or backpressure.

It is suitable for health-hazard non-potable service applications such as irrigation, fire lines, or industrial processing, meeting national plumbing codes and water authority requirements.

Features

  • Bronze body construction for durability.
  • Compact modular design facilitates easy maintenance and assembly access.
  • Single access cover and modular check construction for ease of maintenance and in-line repairs.
  • Top entry allows all internals to be immediately accessible.
  • Captured springs for safe maintenance.
  • Internal relief valve provides reduced installation clearances.
  • Replaceable seats for economical repair.
  • Large body passages provide low pressure drop.
  • Compact, space saving design.
  • No special tools required for servicing.
  • Screwdriver slotted ball valve test cocks.
  • Quarter turn ball valve shutoffs with tee handles.
  • Standardly furnished with NPT body connections.

WARNING: It is illegal to use this product in any plumbing system providing water for human consumption, such as drinking or dishwashing, in the United States. Before installing standard material product, consult your local water authority, building and plumbing codes.

Specifications

  • Assembly Type: Reduced Pressure Zone Backflow Preventer
  • Nominal Pipe Size: 1 inch (25mm)
  • Body Material: Bronze
  • Disc Material: Silicone Rubber
  • Check Seat Material: Polymer (Replaceable)
  • Relief Valve Seat Material: Stainless Steel (Removable)
  • Cover Bolt Material: Stainless Steel
  • End Connections: NPT (Female)
  • Shutoffs: Quarter Turn Ball Valves with Tee Handles
  • Test Cocks: Screwdriver Slotted Ball Valve
  • Maximum Operating Pressure: 175 PSI (12.06 bar)
  • Maximum Operating Temperature: 180°F (75°C) continuous

Certificates & Approvals

  • AWWA Standard: C511-92
  • USC Manual: 8th Edition
  • IAPMO File No.: 1563
  • ASSE Standard: 1013
  • CSA Standard: CSA B64.4
  • Approved by: Foundation for Cross-Connection Control and Hydraulic Research at USC

FAQs

What is a Reduced Pressure Zone (RPZ) assembly used for?

An RPZ assembly like the AMES Series 4000B is designed to protect drinking water supplies from contamination by preventing backflow due to backsiphonage or backpressure from non-potable sources.

What are the primary applications for this 1 inch backflow preventer?

This assembly is ideal for health-hazard non-potable service applications such as irrigation systems, fire lines, and various industrial processing setups, where protection against cross-connection contamination is required.

What materials is the AMES Series 4000B M2 constructed from?

The assembly features a bronze body, silicone rubber discs in the check valves and relief valve, replaceable polymer check seats, and stainless steel relief valve seat and cover bolts for durability and long service life.

Is this backflow preventer easy to maintain?

Yes, its compact modular design with a single access cover allows for easy in-line maintenance and repair. All internal components are immediately accessible from the top, and no special tools are required for servicing.

What are the maximum operating pressure and temperature for this device?

The AMES 4000B M2 can operate continuously with supply pressures up to 175 PSI (12.06 bar) and water temperatures up to 180°F (75°C).

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