Suitable for horizontal or vertical "flow up" installation
Approved by ASSE 1048, AWWA C510-92, CSA B64.5, UL, FM, UL Classified
Description
This 8 inch AMES Series 3000SS Double Check Detector Backflow Preventer Assembly is engineered to prevent the reverse flow of non-potable water and fire protection system substances into the potable water supply. It features a durable 300 Series stainless steel body for corrosion resistance and reduced weight, making installation easier. The unit includes domestic OSY shutoffs, Cam-Check valves for low head loss, and a gallons per minute metered bypass for leak detection. It is approved for non-health hazard applications and offers easy maintenance with single top access. Item number 0692738.
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Connections
The 8 inch assembly features flanged inlet and outlet gate connections for secure attachment within your fire protection system.
Installation
This double check detector assembly can be installed in either a horizontal or vertical "flow up" position, offering flexibility for various site conditions (ASSE approval required for vertical installation).
The compact design and short lay length are ideal for retrofit installations and for use in smaller vaults or enclosures.
This 8 inch 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 against non-health hazards at cross-connections, such as on fire protection systems.
Features
Features a Cam-Check Assembly valve for low head loss and a compact design, ideal for smaller vaults and enclosures.
Constructed with a lightweight 300 Series stainless steel body, offering long-term corrosion protection and maximum strength, reducing installation and shipping costs.
Designed for easy maintenance with a single top access cover, a two-bolt grooved style coupling, and requiring no special tools for servicing.
Includes a gallons per minute (GPM) metered bypass to detect underground leaks and unauthorized water use.
Can be installed in horizontal or vertical "flow up" positions (ASSE Only).
OS&Y models include an option for an integrated supervisory switch on each gate valve.
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
Nominal Size: 8 inch
Body Material: 300 Series Stainless Steel
Internal Metal Parts: 300 Series Stainless Steel
Check Assembly Material: Noryl® Flange
Maximum Working Pressure: 175 psi
Temperature Range: 33°F – 110°F (0.5°C – 43°C)
Valve Type: Double Check Detector Assembly
Bypass Meter: 5/8" x 3/4" Bronze (GPM/CFM)
Gate Valves: Domestic OSY Resilient Seated
Inlet Connection: Flanged
Outlet Connection: Flanged
Dimensions (Approximate)
A (Length): 52 1/2 inches (1334 mm)
C (Height with OSY): 37 3/4 inches (959 mm)
D: 6 3/4 inches (171 mm)
G: 15 inches (381 mm)
L: 29 1/2 inches (749 mm)
P: 18 1/2 inches (464 mm)
Weight (Approximate)
Net Weight With Gates: 577 lbs (261 kg)
Net Weight Without Gates: 180 lbs (82 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 purpose of this backflow preventer?
The primary purpose is to prevent the reverse flow of non-potable water and fire protection system substances from being pumped or siphoned into the potable water supply, protecting against non-health hazards.
Can this backflow preventer be used for drinking water systems?
No, a warning states 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. Always consult local authorities.
What materials are used in the construction of this assembly?
The main valve body and internal metal parts are constructed from 300 Series stainless steel, offering long-term corrosion protection and maximum strength. The check assembly is Noryl.
What is the maximum operating pressure and temperature range for this device?
This backflow preventer has a maximum working pressure of 175 psi (12 bar) and an operating temperature range of 33°F to 110°F (0.5°C to 43°C).
Does this assembly include a meter for detecting leaks?
Yes, it is furnished with a 5/8" x 3/4" bronze meter (GPM or CFM) bypass designed to detect underground leaks and unauthorized water use.
