Approved for horizontal or vertical "flow up" installation
Description
This 6 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of non-potable water into the potable water system. Ideal for continuous pressure service and non-health hazard cross-connections, it features a durable 300 Series stainless steel body for corrosion resistance and reduced installation weight. Its compact, modular design with cam-check valves provides low head loss and easy maintenance without special tools. The assembly has a maximum working pressure of 175 psi and is approved for both horizontal and vertical installations. Item number 0692770.
This 6 inch lead free double check valve backflow preventer assembly is designed to prevent the reverse flow of non-potable water from entering the potable water supply due to backsiphonage and/or backpressure in non-health hazard installations.
Key Features
The Cam-Check Assembly provides low head loss.
Short lay length is ideal 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 a two-bolt grooved style coupling for ease of maintenance.
No special tools are required for servicing.
Compact construction allows for smaller vaults and enclosures.
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.
Specifications
Size: 6 inch
Main Valve Body Material: 300 Series Stainless Steel
All Internal Metal Parts: 300 Series Stainless Steel
Check Assembly Material: Noryl®
Maximum Working Pressure: 175 psi (12.06 bar)
Temperature Range: 33°F - 110°F (5°C - 43°C)
Wetted Surface Lead Content: Less than 0.25% by weight
Dimensions
A (Length overall): 48 1/2 in (1232 mm)
C (OSY) (Height with OSY valves): 30 1/8 in (765 mm)
D (Main body diameter): 5 1/2 in (140 mm)
L (Lay length): 27 1/2 in (699 mm)
S (Valve stem center to center): 11 in (279 mm)
Weight
With Gates: 380 lb (172 kg)
Certificates & Approvals
AWWA C510-92
CSA B64.5
ASSE 1015
cULus
FM Approved (OSY ONLY)
UL Classified (OSY model)
FAQs
What is the primary purpose of this 6 inch double check valve assembly?
This assembly is designed to prevent the reverse flow of polluted or non-potable water from entering the potable water supply system, especially in non-health hazard installations where backsiphonage or backpressure may occur.
Is this backflow preventer assembly lead free?
Yes, the wetted surface of this product that contacts consumable water contains less than 0.25% of lead by weight, qualifying it as lead free.
What is the maximum operating pressure and temperature range for this device?
The maximum working pressure for this assembly is 175 psi (12.06 bar). It is designed to operate within a temperature range of 33°F to 110°F (5°C to 43°C).
Can this backflow preventer be installed vertically?
Yes, this Series 2000SS Double Check Valve Assembly is approved for installation in either a horizontal or a vertical "flow up" position, in accordance with ASSE standards.
What materials are used in the construction of this backflow preventer?
The main valve body and all internal metal parts are constructed from 300 Series stainless steel for superior corrosion resistance and strength. The check assembly utilizes Noryl® material.
