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Nibco Inc.

8" Grooved Spring Loaded Check Valve for Fire Systems

8" Grooved Spring Loaded Check Valve for Fire Systems

Product code: KG900W-0800

Precio habitual $2,341.70
Precio habitual $4,516.33 Precio de oferta $2,341.70
48% OFF

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Description

Technical Specifications (Material Focus)
The 8" Grooved Spring Loaded Check Valve is engineered with a robust body constructed from ASTM A536 ductile iron, finished with a corrosion-resistant epoxy coating to withstand harsh fire system environments. Internal components include 300-series stainless steel springs and fasteners that resist corrosion and maintain consistent operation under high-cycle use. The sealing surfaces utilize EPDM elastomer for reliable sealing against backflow, optimized for water-based fire suppression systems. The spring-loaded design ensures valve closure responds promptly to flow changes, preventing reverse flow effectively without compromising system pressure.

Regulatory Compliance
This check valve adheres to critical standards vital for fire protection systems: it is UL Listed under UL 346, confirming its suitability for fire protection service applications. It carries FM Approval, verifying its performance reliability under stringent Factory Mutual testing criteria. Additionally, the valve meets ASME B16.11 grooved coupling dimensions, ensuring compatibility and compliance with fire industry installation practices. By aligning with NFPA 13 and NFPA 25 requirements, this valve supports system testing, inspection, and maintenance protocols essential for life safety.

Operational Compatibility
Rated for a maximum working pressure of 175 PSI (12.1 bar), the valve maintains a stable operation within typical fire protection system pressure ranges. It operates effectively within temperature limits from 33°F to 140°F (0.5°C to 60°C), suitable for indoor and sheltered outdoor installations. The 8" grooved end connections conform to AWWA C606 standards, facilitating fast installation and reliable leak-proof joints using standard grooved piping components and couplings. Its design supports single-directional flow aligned with fire suppression system demands and accommodates both horizontal and vertical pipe runs where upward flow is required.

Use Cases and Practical Insights
This spring loaded check valve is specifically designed for incorporation into fire sprinkler and suppression systems requiring a fail-safe backflow prevention component. Its quick-acting spring mechanism minimizes water hammer and surge events, reducing stress on piping networks and fittings. Ideal for fire protection contractors and maintenance professionals, the valve enhances system reliability by preventing reverse flow that can contaminate potable water supplies or compromise water availability in emergencies. The grooved connection design significantly reduces installation time and labor costs compared to welded or threaded alternatives, making it suitable for retrofit projects or new builds where system downtime must be minimized.

The valve’s corrosion-resistant construction and spring-loaded mechanism provide consistent performance across regular inspection cycles, ensuring compliance with NFPA 25 maintenance requirements. Given the critical nature of maintaining constant water availability and quality in fire suppression setups, this valve is integral to system integrity and safety assurance.

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Product Details


Technical Specifications (Material Focus)
The 8" Grooved Spring Loaded Check Valve is engineered with a robust body constructed from ASTM A536 ductile iron, finished with a corrosion-resistant epoxy coating to withstand harsh fire system environments. Internal components include 300-series stainless steel springs and fasteners that resist corrosion and maintain consistent operation...

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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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