NASCO’s Guide to Fire Protection Valves
High-Performance Fire Protection: A Guide to Our Most Advanced Valves (And Why They're Worth It)
When it comes to fire protection, there is no room for compromise. At NASCO Supply, we understand that the valves you choose can mean the difference between containment and catastrophe. Whether you’re outfitting a data center, a parking structure, or an industrial facility, premium valves are essential for performance, reliability, and compliance.
In this guide, we’re showcasing our most expensive—and most advanced—valves, explaining what they do, who needs them, and why they’re worth the investment.
The Valves That Go the Distance
✪ Pre-Action Valve – From $2,065.76
Best For: Data centers, museums, archives, commercial kitchens
Why It’s Worth It: Dual-activation (heat + manual) avoids false discharges—ideal where water damage is as dangerous as fire.
- Delays water discharge to avoid false alarms
- Protects sensitive electronics and documents
- UL/FM approved
✪ Dry Pipe Valve – From $1,188.67
Best For: Freezing environments like unheated warehouses and garages
Why It’s Worth It: Prevents freezing and bursting by using pressurized air until activation.
- NFPA 13 compliant
- Designed for cold climates
- Essential for fire readiness in exposed spaces
✪ Dry Pipe Valve Accelerator – From $711.68
Best For: Enhancing large dry pipe systems
Why It’s Worth It: Reduces delay in water delivery, critical for long or slow-response systems.
- Faster water delivery
- Improves system efficiency
- Compatible with most dry systems
✪ OS&Y Gate Valve – From $208.40
Best For: Main fire lines where visible valve status is required
Why It’s Worth It: Outside Screw & Yoke design makes it easy to confirm open/closed status during inspections.
- Easy status verification
- Durable flange x flange construction
- UL/FM certified
✪ Butterfly Valve with Tamper Switch – From $176.40
Best For: Shut-off control with alarm integration
Why It’s Worth It: Tamper switch sends alerts if valve is closed improperly—ideal for monitored systems.
- Tamper-proof design
- Compact size for tight installations
- UL/FM certified
Choosing the Right Valve for the Job
- Wet vs. Dry System: Use dry valves in freezing climates
- Tamper Protection: Prevent accidental shut-offs
- UL/FM Certification: Required for compliance and insurance
- System Integration: Match to system specs (threaded, flanged, grooved, NPT)
Why Contractors Trust NASCO Supply
- Only UL/FM certified valves in stock
- Fast shipping and competitive prices
- Expert team to assist with selection
- Full range of sizes and connection types
Whether you need valves for a new system or retrofit, our premium options are up for the task. Contact us for a custom recommendation or explore our entire valve collection.