4 3000SS-OSY-TS-GPM

Item Number: 88003094
Skip to product information
1 of 1
Regular price $10,637.68
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Ames

  • 4 Inch (1016 mm) Double Check Detector Assembly
  • Weight: 344.0 lb
  • Main Body Material: 300 Series Stainless Steel
  • Maximum Working Pressure: 175 PSI
  • Integrated UL Certified Tamper Switch (Control No. 3L38)
  • Equipped with Gallon Per Minute Meter
  • Low Head Loss Cam-Check Valves
  • Approved for Horizontal or Vertical Flow-Up Installation
  • Certifications: ASSE 1048, AWWA C510-92, CSA B64.5, UL 1469

Description

The AMES 4 Inch 3000SS Double Check Detector Backflow Preventer Assembly is designed to protect potable water supplies from non-health hazard contaminants found in fire protection systems and other service line cross-connections. Featuring a lightweight 300 Series stainless steel body, this assembly provides long-term corrosion resistance and maximum strength. It includes OSY shutoffs, a UL Certified tamper switch, low head loss Cam-Check valves, and a gallon per minute meter to detect leaks and unauthorized water use. Approved for horizontal or vertical flow-up installation, it ensures reliable backflow prevention.

Help Me Connect

Connections

  • This backflow preventer features OSY (Outside Stem and Yoke) resilient seated gate valves with flanged connections for secure installation into fire protection systems.
  • The integrated supervisory switch ensures signaling when the valve position changes, enhancing system monitoring.
  • It can be installed in a horizontal or vertical "flow up" position (ASSE Only).
View full details

Collapsible content

Additional Details

This 4 inch AMES 3000SS Double Check Detector Backflow Preventer Assembly is designed to prevent the reverse flow of fire protection system substances and non-potable quality water from being pumped or siphoned into the potable water supply. It is ideal for protecting cross-connections identified as non-health hazards, such as fire protection systems and other service line contaminants.

This compact and modular assembly features OSY (Outside Stem and Yoke) shutoffs, a UL Certified Safety Signaling (Control No. 3L38) supervisory switch, captured spring Cam-Check valves, and a gallon per minute meter for leak detection.

Features

  • Cam-Check Assembly valve provides low head loss
  • Short lay length ideally suited for retrofit installations
  • Stainless steel body is half the weight of competitive designs, reducing installation and shipping cost
  • Stainless steel construction provides long term corrosion protection and maximum strength
  • Single top access cover with two-bolt grooved style coupling for ease of maintenance
  • No special tools required for servicing
  • Compact construction allows for smaller vaults and enclosures
  • Furnished with a gallon per minute meter to detect underground leaks and unauthorized water use
  • Can be installed in horizontal or vertical "flow up" position (ASSE Only)
  • Includes an integrated supervisory switch on each gate valve of the OS&Y model (UL Certified, Safety Signaling, Control No. 3L38)

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, consult your local water authority, building, and plumbing codes.

Specifications

  • Size: 4 inch
  • Main Valve Body Material: 300 Series stainless steel
  • Internal Metal Parts Material: 300 Series stainless steel
  • Check Assembly Material: Noryl® Flange
  • Check Valves: Independently operating, spring loaded Cam-Check
  • Meter: Gallon per minute (GPM)
  • Supervisory Switch: Integrated UL Certified, Safety Signaling (Control No. 3L38) on OS&Y gate valves
  • Maximum Working Pressure: 175 psi (12 bar)
  • Temperature Range: 33°F – 110°F (0.5°C – 43°C)
  • Installation: Horizontal or vertical "flow up" position (ASSE Only)
  • Overall Length (A): 40 inches (1016 mm)
  • Net Weight (With Gates): 245 lbs (111 kg)

Certificates & Approvals

  • ASSE 1048
  • AWWA C510-92
  • CSA B64.5
  • UL 1469
  • UL Classified (OSY only)
  • FM Approved (sizes 2 1/2" – 10", OSY only)
  • USC Foundation for Cross-Connection Control and Hydraulic Research

FAQs

What is the primary use of the AMES 4 Inch 3000SS Double Check Detector Backflow Preventer?

This assembly is primarily used to prevent the reverse flow of non-potable water and fire protection system substances into a potable water supply at non-health hazard cross-connections.

What type of meter is included with this backflow preventer?

The assembly comes furnished with a gallon per minute (GPM) meter, which is used to detect underground leaks and unauthorized water usage within the system.

Can this backflow preventer be installed in any orientation?

Yes, this model is approved for installation in both horizontal and vertical "flow up" positions, according to ASSE standards.

What certifications does this AMES 3000SS assembly hold?

It is certified by ASSE 1048, AWWA C510-92, CSA B64.5, UL 1469, UL Classified (OSY only), FM Approved (for sizes 2 1/2" – 10", OSY only), and the USC Foundation for Cross-Connection Control and Hydraulic Research.

What is the purpose of the integrated supervisory switch?

The integrated supervisory switch (UL Certified, Safety Signaling, Control No. 3L38) on the OS&Y gate valves is designed to send a tamper signal if the valve is closed or if the switch is removed, ensuring system integrity and monitoring.