Viking

Swing Check Valve Model D-1 G-1 for Fire Protection

Name: Swing Check Valve Model D-1 G-1 for Fire Protection
Brand: Viking
Price: 433.33 USD
Availability: InStock

Swing Check Valve Model D-1 G-1 for Fire Protection

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$433.33

~~$519.99~~ $433.33

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Description

Technical Specifications (Material Focus)
The Viking Swing Check Valve Model D-1 G-1 features a body constructed from ASTM A536 ductile iron, providing high tensile strength and enhanced durability required for fire protection systems. Internal components include stainless steel hinges and shafts designed to withstand mechanical stress and prevent corrosion. The valve disc is engineered to swing freely, facilitating minimal pressure drop and rapid closure to prevent reverse flow.

Regulatory Compliance
This swing check valve is UL Listed under UL 312 for check valves used in fire protection. It is FM Approved according to Factory Mutual standards specific to fire safety equipment. Additionally, the valve conforms to the protocols outlined in NFPA 13 for the installation of sprinkler systems and NFPA 25 concerning inspection and maintenance of water-based fire protection systems.

Operational Compatibility
Rated for system pressures up to 175 PSI (12.1 bar), the Model D-1 G-1 supports seamless operation within wet, dry, and deluge sprinkler system configurations. Connection options include NRS (nominal raised seat) or grooved ends, enabling versatile integration with standard piping layouts. The valve’s swing check mechanism is suitable for both horizontal and vertical pipeline orientations (with upward flow), ensuring consistent performance in diverse installation environments.

The Viking Model D-1 G-1 Swing Check Valve addresses key challenges in fire protection systems by reliably preventing backflow that could compromise potable water supplies and system integrity. Its robust ductile iron body resists the elevated mechanical and environmental stresses common in fire suppression scenarios, reducing the risk of in-service failures and maintenance downtime. By enabling unobstructed forward flow while rapidly closing upon pressure reversal, it ensures system readiness and operational reliability during fire events.

This valve fits the needs of fire protection professionals requiring dependable backflow prevention for commercial, industrial, and institutional applications. It is engineered to integrate effortlessly within existing fire sprinkler layouts, providing flexibility for retrofits or new installations without frequent custom modifications. The straightforward swing check design reduces potential clogging or jamming risks often encountered in more complex mechanisms, thus lowering inspection and servicing efforts.

Installation tips include verifying proper valve orientation to prevent water hammer effects and ensuring compatibility with upstream and downstream fittings rated for the declared pressure limits. Routine testing in accordance with NFPA 25 protocols, utilizing pre-installed test ports or external gauges, facilitates consistent verification of valve function and system integrity.

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Product Details

Technical Specifications (Material Focus)
The Viking Swing Check Valve Model D-1 G-1 features a body constructed from ASTM A536 ductile iron, providing high tensile strength and enhanced durability required for fire protection systems. Internal components include stainless steel hinges and shafts designed to withstand mechanical stress and prevent corrosion. The valve disc is engin...

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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.