Febco 2 1/2" LF850 Less Gates
Item Number: 0124520Brand - Febco
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- Lead Free Double Check Valve Assembly
- Size: 2 1/2 inches
- Valve Configuration: Less Shutoff Valves
- Body Material: Ductile Iron
- Coating: ArmorTek® Epoxy Coating for MIC and corrosion protection
- Maximum Working Pressure: 175 psi
- Temperature Range: 33°F - 140°F
- In-line serviceable with no special tools required
- Approved for non-health hazard applications
Description
Description
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Connections & Applications
- This 2 1/2 inch backflow preventer is designed for non-health hazard (pollutant) applications to prevent backflow into potable water systems.
- It features flanged end connections compliant to ASME B16.1 Class 125 and AWWA Class D Flange for installation into main water lines.
- The assembly is suitable for both horizontal and vertical-up flow orientations.
- Always consult with local water authorities for specific installation and application requirements for non-health hazard cross-connections.

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Additional Details
The Febco 2 1/2 inch MasterSeries LF850 Double Check Valve Assembly is an in-line backflow preventer designed to protect potable water supplies from backpressure and backsiphonage in non-health hazard (pollutant) applications. This assembly is ideal for containing objectionable, but non-toxic, pollutants at the service line entrance without shutoff valves.
The LF850 features Lead Free construction, meeting low lead installation requirements with less than 0.25% lead by weight. Its iron components are coated with ArmorTek®, a patented three-part advanced epoxy system engineered to reduce microbial-induced corrosion (MIC) and protect exposed metal surfaces, ensuring long-lasting performance.
This is a non-stock, special order item and could take up to 2 weeks or more to deliver. All non-stock items are non-refundable. Please be sure to order carefully, and contact us if you have any questions before ordering.
Features
- In-line serviceable assembly requires no special tools for servicing.
- Features two independently acting clapper-style check modules with replaceable seats and disc rubbers.
- Ductile iron valve body design with stainless steel internal components.
- Includes winterization feature with disc retainers and valve body drain ports.
- Approved for horizontal and vertical-up flow orientations.
Specifications
- Product Type: Double Check Valve Assembly
- Valve Size: 2 1/2 inches
- Valve Configuration: Less Shutoff Valves (Less Gates)
- Body Material: Ductile Iron Grade 65-45-12
- Coating: ArmorTek® powder coating (internal and external surfaces)
- Check Seats: Stainless Steel
- Disc Holder: Stainless Steel
- Elastomer Disc: Silicone
- Spring Material: Stainless Steel
- Maximum Working Pressure: 175 psi (12.1 bar)
- Minimum Working Pressure: 10 psi (0.7 bar)
- Temperature Range: 33°F - 140°F (0.5°C - 60°C)
- Lay Length (Dimension B): 25 1/2 inches (648 mm)
- Nominal Weight (NRS): 226 lbs (103 kg)
Certificates & Approvals
- Approved by the Foundation for Cross-Connection Control and Hydraulic Research at The University of Southern California (FCCCHR-USC)
- ASSE 1015 Listed
- UL Classified (U.S. & Canada)
- FM Approved
- IAPMO
- CSA Listed
- AWWA Standard C510 Compliant
- End Connections: Compliant to ASME B16.1 Class 125 & AWWA Class D Flange
- Certified to NSF/ANSI 61-G