4 3000SS-OSY-GPM

Item Number: 0690493
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$10,148.84
Special Order
When Will it Ship: Contact for Lead Time
Estimated transit time: 2 to 5 Business Days

Brand - Ames
  • Assembly Size: 4 inch
  • Weight: 344.0 lb
  • Maximum Working Pressure: 175 psi
  • Temperature Range: 33°F – 110°F
  • Body Material: 300 Series Stainless Steel
  • OSY Shutoffs and Cam-Check Valves
  • Integrated Gallons per Minute Meter
  • UL Classified and FM Approved
  • Can be installed horizontally or vertically (flow up)

Description

This 4 inch AMES Series 3000SS Double Check Detector Backflow Preventer Assembly with OSY shutoffs is designed for fire protection systems to prevent reverse flow of non-potable substances. Constructed from 300 Series stainless steel, it offers long-term corrosion protection, reduced weight, and compact design for easier installation in smaller spaces. Featuring Cam-Check valves for low head loss and an integrated gallon per minute meter for leak detection, it is approved by UL, FM, ASSE, AWWA, and CSA. It operates up to 175 psi and between 33°F – 110°F, ensuring reliable performance. Item number 0690493.

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Connections and Use

This 4 inch double check detector backflow preventer assembly features flanged inlet and outlet gate connections (FxF). It is designed to be installed in fire protection systems to prevent the reverse flow of non-potable water and fire protection substances into the potable water supply. This assembly is suitable for cross-connections identified as non-health hazards. It can be installed in either a horizontal or vertical "flow up" position, according to ASSE standards.

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Additional Details

This 4 inch double check detector backflow preventer assembly is designed to prevent the reverse flow of fire protection system substances and non-potable water from being pumped or siphoned into the potable water supply. It is ideal for protection at cross-connections identified as non-health hazards.

Features

  • The Cam-Check Assembly valve provides low head loss.
  • Short lay length is 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.
  • Features a single top access cover with two-bolt grooved style coupling for ease of maintenance.
  • No special tools are required for servicing.
  • Compact construction allows for smaller vaults and enclosures.
  • Furnished with a gallon per minute meter (5/8" x 3/4" bronze meter) to detect underground leaks and unauthorized water use.
  • May be installed in horizontal or vertical "flow up" position (ASSE Only).
  • Includes an integrated supervisory switch as an option on each gate valve of the OS&Y model.

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. Consult your local water authority, building, and plumbing codes before installation.

Specifications

  • Assembly Size: 4 inch
  • Maximum Working Pressure: 175 psi (12 bar)
  • Temperature Range: 33°F – 110°F (0.5°C – 43°C)
  • Main Valve Body Material: 300 Series stainless steel
  • Internal Metal Parts: 300 Series stainless steel
  • Check Assembly Material: Noryl® Flange
  • Connection Type: Flanged Inlet Gate Connection and Flanged Outlet Gate Connection (FxF)
  • Gate Valve Type: OSY (Outside Stem and Yoke) Resilient Seated Gate Valves
  • Meter Included: 5/8" x 3/4" Bronze Meter (gpm or cfm)
  • Lead Content: Less than 0.25% by weight (wetted surface)

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 function of the 4 inch 3000SS-OSY-GPM backflow preventer?

This backflow preventer is designed to prevent the reverse flow of non-potable water and fire protection system substances from contaminating the potable water supply, especially in non-health hazard containment applications.

What materials are used in the main construction of this assembly?

The main valve body and internal metal parts are constructed from 300 Series stainless steel, providing long-term corrosion protection and maximum strength. The check assembly uses Noryl® Flange material.

Can this backflow preventer be installed in any orientation?

It can be installed in either a horizontal or vertical "flow up" position, meeting ASSE installation requirements.

Does this backflow preventer include a feature for leak detection?

Yes, it is furnished with a 5/8" x 3/4" bronze meter, which is a gallon per minute meter (gpm or cfm), designed to detect underground leaks and unauthorized water use.

What are the key certifications and approvals for this product?

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

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