6 M300-OSY-GPM

Item Number: 0191041
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$13,373.25
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Ames
  • Type: Double Check Detector Backflow Preventer Assembly
  • Weight: 513.0 lb
  • Series: Maxim™
  • Nominal Size: 6 inch
  • Maximum Working Pressure: 175 psi
  • Body Material: Stainless Steel
  • Shutoff Valves: Outside Stem and Yoke (OSY) Gate
  • Check Valves: Tri-Link, Replaceable Disc Rubber
  • Includes: Gallon per Minute (GPM) Meter
  • Installation: Horizontal or Vertical

Description

This 6-inch Maxim™ Double Check Detector Backflow Preventer Assembly prevents reverse flow of non-potable water and fire protection substances into potable water supplies. Its stainless steel construction ensures long-term corrosion protection and maximum strength, while tri-link check valves provide the lowest pressure loss. Featuring outside stem and yoke (OSY) gate valves and an integrated gallon per minute meter for leak detection, this compact unit is ideal for non-health hazard cross-connections like fire sprinkler systems. It is approved for both horizontal and vertical installation. Item number 0191041.

Help Me Connect

This 6 inch double check detector backflow preventer assembly is designed for installation in fire sprinkler systems and other non-health hazard cross-connections. It features outside stem and yoke (OSY) gate valves for connection to your piping system.

Installation Guidelines

  • Approved for horizontal or vertical installation. Ensure proper alignment with the direction of the flow arrow on the assembly.
  • Adequate clearance is required around the valve for inspection, testing, and servicing.
  • A minimum 12 inch clearance is required between the lower portion of the assembly and the floor or grade.
  • The valve assembly should be protected from freezing.
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Additional Details

This Maxim™ 6 inch double check detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and water of non-potable quality from being pumped or siphoned into the potable water supply. It is ideal for protection at non-health hazard cross-connections such as on fire sprinkler systems and from other contaminants found at the service line entrance.

Features

  • Prevents reverse flow due to backsiphonage and/or backpressure
  • Compact modular design allows for smaller vaults and enclosures
  • Tri-link check valve assembly provides the lowest pressure loss
  • Stainless steel construction offers long-term corrosion protection and maximum strength
  • Single access sleeve for easy maintenance
  • Furnished with a gallon per minute (GPM) meter to detect underground leaks and unauthorized water use
  • Approved for horizontal or vertical installation in accordance with the direction of the flow arrow on the assembly

Construction

  • Body Material: Stainless steel single housing with access sleeve
  • Check Valves: Tri-link check valves with replaceable check disc rubber
  • Shutoff Valves: Outside stem and yoke (OSY) resilient seated gate valves
  • Components: Four test cocks, GPM meter

Specifications

  • Type: Double Check Detector Backflow Preventer Assembly
  • Series: Maxim™
  • Nominal Size: 6 inch
  • Body Material: Stainless Steel
  • Maximum Working Pressure: 175 psi (12.06 bar)
  • Check Valves: Tri-Link Check Valves, Replaceable Disc Rubber
  • Shutoff Valves: Outside Stem and Yoke (OSY) Resilient Seated Gate Valves
  • Meter: Gallon per Minute (GPM) Meter
  • Installation Orientation: Horizontal or Vertical
  • Main Components: Stainless steel body, tri-link check valves, OSY resilient seated gate valves, four test cocks, GPM meter

FAQs

What is the primary function of this backflow preventer?

This backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and non-potable water into the potable water supply due to backsiphonage or backpressure.

What size system is this backflow preventer designed for?

This specific assembly is a 6-inch unit, designed for corresponding system pipe sizes.

What type of shutoff valves are included with this assembly?

The assembly comes with outside stem and yoke (OSY) resilient seated gate valves for reliable shutoff.

What material is the body of the backflow preventer constructed from?

The body features stainless steel single housing, providing long-term corrosion protection and maximum strength.

Can this backflow preventer assembly be installed in any orientation?

Yes, this compact modular design is approved for both horizontal or vertical installation, in accordance with the direction of the flow arrow on the assembly.

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