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CMB Industries - Febco

3" Febco 850 Double Check OSY Valve for Fire Protection

3" Febco 850 Double Check OSY Valve for Fire Protection

Product code: 850OS&Y-0300

Precio habitual $16,083.75
Precio habitual $19,300.49 Precio de oferta $16,083.75
16% OFF

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Description

Technical Specifications (Material Focus)

  • Main Body: Constructed from ductile iron (ASTM A536) with a corrosion-resistant fusion-bonded epoxy coating to withstand demanding fire protection environments.
  • Internal Components: Utilize 300-series stainless steel for springs and fasteners, ensuring durability and resistance to corrosion under varying conditions.
  • Valve Design: Features an Outside Screw & Yoke (OS&Y) configuration for visual valve status confirmation and ease of maintenance.
  • Seats and Sealing: Equipped with precision-cut, replaceable elastomeric seals designed to maintain a positive shutoff and prevent backflow contamination.

Regulatory Compliance

  • UL Listed: Certified per UL 1469 specifically for fire service water control valves, guaranteeing compliance with fire protection system requirements.
  • FM Approved: Tested and approved by Factory Mutual to assure reliability in fire protection applications.
  • ASSE 1015: Meets American Society of Sanitary Engineering standards for double check backflow prevention assemblies.
  • AWWA C510: Conforms to American Water Works Association specifications, verifying standards for fire protection valve assemblies.

Operational Compatibility

  • Working Pressure Rating: Designed to operate reliably at pressures up to 175 PSI (12.1 bar), accommodating a broad range of fire system demands.
  • Temperature Range: Functional within temperatures from 33°F to 140°F (0.5°C to 60°C), suitable for typical indoor and outdoor fire protection environments.
  • Connection Types: Available with flanged ends conforming to ANSI B16.1, compatible with standard fire protection piping systems.
  • Installation Orientation: Supports both horizontal and vertical (upward flow) installations, providing flexibility across various system layouts.

The 3" Febco 850 Double Check OS&Y Valve is engineered specifically to prevent backflow contamination in commercial and residential fire protection systems where non-health hazard water must be shielded from pollutants. Its OS&Y design allows operators and inspectors to visually confirm valve position, enhancing maintenance efficiency and compliance verification.

Unlike generic backflow preventers, the Febco 850 balances robust construction with operational convenience, providing long-term reliability even under fluctuating water pressures common in fire sprinkler lines. Its fusion-bonded epoxy coating and stainless steel internal parts ensure sustained durability despite exposure to moisture and temperature variations.

This valve is appropriate for fire protection professionals and facility managers who require a dependable, code-compliant solution that supports NFPA 13 and NFPA 25 standards. Integrated test ports facilitate routine inspection and differential pressure testing required by local fire codes, simplifying maintenance procedures and ensuring ongoing system integrity.

By incorporating the Febco 850, engineers can mitigate the risk of backflow-induced water contamination that compromises fire system readiness, while maintaining system pressure and flow rates essential to effective fire suppression. Its compatibility with standard flanged piping and installation flexibility ensures seamless integration into existing fire protection infrastructures.

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Product Details


Technical Specifications (Material Focus)

Main Body: Constructed from ductile iron (ASTM A536) with a corrosion-resistant fusion-bonded epoxy coating to withstand demanding fire protection environments.
Internal Components: Utilize 300-series stainless steel for springs and fasteners, ensuring durability and resistance to corrosion under varying conditions.
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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

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.

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