Conbraco Ince

3" Double Check N Pat With OSY LF8 Backflow Valve

Name: 3" Double Check N Pat With OSY LF8 Backflow Valve
Brand: Conbraco Ince
Price: 13777.63 USD
Availability: InStock

3" Double Check N Pat With OSY LF8 Backflow Valve

Product code: 4ANLF-10E-03

$13,777.63

~~$47,557.29~~ $13,777.63

71% OFF

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Description

Technical Specifications (Material Focus)
The 3" Double Check N Pat With OS&Y LF8 Backflow Valve is constructed for longevity and reliability in fire protection systems. The main valve body is crafted from ASTM A536 ductile iron enhanced with a corrosion-resistant fusion-bonded epoxy coating, optimized for both subterranean and mechanical room installations. Internal components include precision-engineered 300-series stainless steel springs and fasteners that resist corrosion and maintain consistent performance over extended service periods. The check modules use a reinforced Noryl™ thermoplastic for structural integrity, while the seating incorporates replaceable EPDM elastomer discs that ensure a tight, reversible seal to prevent backflow effectively.

Regulatory Compliance
This backflow valve assembly conforms to essential industry standards critical for fire safety and potable water protection:

UL Listed to UL 1469 specifically for fire service water control valves, confirming adherence to fire safety operational requirements.
FM Approved by Factory Mutual, validating its suitability and reliability within active fire protection systems.
Compliant with ASSE 1015, meeting American Society of Sanitary Engineering mandates for double check valve backflow preventers.
Manufactured in accordance with AWWA C510 standards for double check valve assemblies to ensure reliability in water supply systems.

Operational Compatibility
Designed to integrate seamlessly into existing fire protection networks, this valve assembly supports operational ranges as follows:

Maximum Working Pressure: 175 PSI (12.1 bar), suitable for typical municipal water supply pressures.
Temperature Range: 33°F to 140°F (0.5°C to 60°C), accommodating standard environmental and system conditions.
Connection Types: Features Outside Stem & Yoke (OS&Y) LF8 gate valves with standard 3" NRS (National-Raised-Standard) flanged ends, ensuring compatibility with common fire system piping.
Installation Orientation: Engineered for use in both horizontal and vertical upward flow positions, easing installation flexibility.

The inclusion of an OS&Y LF8 gate valve enables precise control of system flow and simplifies maintenance procedures, allowing system operators to isolate the backflow preventer with minimal downtime. This functionality is especially beneficial in fire protection environments where rapid response and reliability are critical.

Use Cases and Value
This 3" Double Check N Pat With OS&Y LF8 Backflow Valve is ideally suited for fire protection systems requiring reliable prevention of water supply contamination caused by backflow under non-health hazard conditions. It protects potable water lines in commercial buildings, municipal fire mains, and industrial facilities where regulatory compliance and system integrity are non-negotiable. The durable materials and precise engineering reduce maintenance frequency and extend service life, lower total cost of ownership, and meet stringent inspection requirements as per NFPA 13 and NFPA 25. The pre-equipped OS&Y valves also facilitate compliance with mandated testing protocols by providing clear visual indication of valve status during routine inspection and testing.

Compared to basic double check valves without OS&Y gate integration, this assembly provides enhanced operational transparency and control, improving ease of service and system reliability. Its robust construction is designed to withstand fluctuating pressures and environmental challenges common in fire service water systems, effectively preventing costly system failures or contamination events.

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Product Details

Technical Specifications (Material Focus)
The 3" Double Check N Pat With OS&Y LF8 Backflow Valve is constructed for longevity and reliability in fire protection systems. The main valve body is crafted from ASTM A536 ductile iron enhanced with a corrosion-resistant fusion-bonded epoxy coating, optimized for both subterranean and mechanical room installations. Internal components...

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Frequently Asked Questions

The Fire Protection Parts Difference: Your Specialized Partner for Critical Components. Call us (866) 906-1526.

At Fire Protection Parts, we understand that maintaining effective fire suppression systems requires readily available, high-quality components. We are not a general supplier; our exclusive focus is on fire protection parts, which allows us to offer unparalleled expertise and a comprehensive inventory in this vital niche.

Why Choose Fire Protection Parts?
Unwavering Product Specialization: Our deep focus on fire sprinkler system components, and specific types of suppression system valves ensures our knowledge and resources are entirely dedicated to your systems' intricate needs.

Exceptional Customer Experience: Customers consistently praise our great communication, excellent service, and helpful support. We prioritize clear and timely interactions to meet your needs efficiently.

Streamlined Online Platform: Our website, Fireparts.com, is well-organized and easy-to-navigate, simplifying procurement. Find the exact parts you need quickly with detailed information and an efficient ordering process.

Reliability and Speed: Timely delivery is critical. We are committed to prompt and reliable shipping, ensuring you receive necessary parts quickly for scheduled maintenance or urgent repairs.

Dedicated Technical Support: Our team offers knowledgeable technical support to assist with part identification, troubleshooting, and informed decision-making.

Choose Fire Protection Parts as your partner. We deliver specialized products with exceptional service, technical expertise, and reliable speed, dedicated to being your trusted source for all your fire protection needs.

Ordering and Shipping Information

We strive to make your ordering process seamless and ensure your critical fire protection components are delivered promptly.

How to order

Order efficiently via our user-friendly website, Fireparts.com. Simply add products to your cart and proceed to our secure checkout. Our knowledgeable support team is available if you need assistance.

Shipping & Transit
Carriers: We primarily use reliable carriers like UPS and FedEx. For larger, heavier items, we utilize LTL freight carriers (e.g., FedEx Freight, R & L).

Origin & Handling: Most orders ship from our manufacturer's warehouse in Chicago, IL or warehouse near you. Orders are typically processed within 1-2 business days (M-F), with a 3:00 PM CST cut-off.

Transit Times (US): Standard transit is generally 2-3 business days to all US destinations, resulting in an estimated total delivery time of 2-4 business days from placement.

Free Shipping: We offer free standard ground shipping on orders in stock totaling $1,100.00 or more within the contiguous United States via FedEx Ground.

Expedited Options: Next-day and two-day air services are available for urgent needs. Contact us for quotes and availability.

International: We ship to the US, Canada, Mexico, and most international destinations. Allow 3-5+ additional business days for processing. Customers are responsible for all duties and taxes.

HAZMAT: Certain items (CPVC, fire extinguishers, etc.) cannot ship via USPS or air and may incur special fees.

Important Note for Freight (LTL)
Thoroughly inspect all LTL shipments for damage before accepting delivery. If damage is present, refuse the delivery and contact us immediately to arrange a replacement.

Once shipped, you will receive an email with a tracking number. All shipping times are estimates provided by the carriers and are not guaranteed.

Our Return Policy

Effective: April 30, 2025

Your satisfaction is important to Fire Protection Parts. Please review our policy for returns.

General Returns
We accept returns of most new, unused, and resalable items in original packaging within 30 days of receipt. A valid proof of purchase is required.

Initiation: Contact us at info@fireprotectionparts.net to start a return and obtain a Return Merchandise Authorization (RMA) number.

Shipping: The customer is responsible for all return shipping costs to: Fire Protection Parts Returns, 2135 City Gate Ln #3018, Naperville, IL, 60563.

Restocking Fee: A 25% restocking fee will be applied to all eligible returns.

Return and Refund Process
Request RMA: Email info@fireprotectionparts.net.

Package Securely: Include the RMA number clearly inside the package.

Refunds: Once inspected, refunds (less the 25% restocking fee and original shipping) will be credited to your original payment method within 14 business days.

Exceptions
Defective/Damaged Items: Contact us immediately upon receipt for instructions.

Exchanges: Place a new, separate order for the desired item and return the original for a refund (subject to terms).

Special Order Items: These are non-returnable and non-refundable unless the manufacturer accepts the return.

All products are subject to the manufacturer's warranty, not direct warranties from Fire Protection Parts. All sales are governed by our Standard Terms and Conditions of Sale.

Installation Assistance

While Fire Protection Parts specializes in providing high-quality fire protection components, we understand that proper installation is crucial for the effectiveness and safety of these systems.

For professional installation services across the United States, we recommend our trusted partner: Fire & Life Safety Consultants.

As a nationwide fire protection contractor, Fire & Life Safety Consultants offers comprehensive installation services for a wide range of fire protection systems.

To inquire about installation services, please:

Visit their website: www.fireandlifesafety.net to learn more about their services and coverage or call (800) 976-2489.

Email job information: Send the details of your installation needs to info@fireprotectionparts.net, and we will forward your inquiry to the team at Fire & Life Safety Consultants.

Please note that while we facilitate this connection, all installation services and agreements will be directly between you and Fire & Life Safety Consultants.

Technical Support

At Fire Protection Parts, we're committed to providing you with the expertise you need. If you require technical assistance with product selection, troubleshooting, or any other inquiries, our knowledgeable support team is ready to help.

Please call our experts directly at (866) 906-1526 for immediate assistance.