UL Listed OS & Y Gate Valve

In fire protection, certification isn’t optional — it’s the difference between a compliant system and a liability. The FIFFCO UL Listed OS & Y Gate Valve (Model FC115) carries UL Listing and meets AWWA C515 valve standards, making it one of the most specified gate valves for fire sprinkler systems where third-party certified performance is required.

UL (Underwriters Laboratories) listing means this valve has been independently tested and verified to perform under fire protection conditions. For engineers, consultants, and contractors working on projects that demand verified, auditable safety components — the FC115 is the specification-ready choice.

Like all OS&Y gate valves, the FC115 operates on an outside screw and yoke mechanism: the stem rises when the valve is open, providing a clear, visual position indicator that satisfies inspection requirements under NFPA 25 and other fire safety standards.

Technical Excellence & Key Features

The FC115 is built to a higher specification than standard gate valves — because UL Listing demands it:

• Ductile Iron Body — Resilient, high-strength construction resistant to pressure surges and mechanical stress
• Sizes: 2″ to 12″ — A comprehensive range covering small branch lines through large main risers, so you can spec one manufacturer across an entire system
• Full Waterway Design — Zero internal obstruction when open, maintaining full flow capacity to sprinkler heads
• Working Pressure: 300 PSI (175 PSI, 200 PSI & 250 PSI available upon request) — suitable for both light hazard and high-demand suppression systems
• Valve Standard: AWWA C515 — the recognised American Water Works Association standard for resilient-seated gate valves
• Connection Ends: Flange to ASME B16.1 Class 125 — standardised flanged connections for straightforward integration
• Temperature Range: 0°C to 80°C — compatible with typical sprinkler system environments
• Fusion Bonded Epoxy Coating — factory-applied internal and external coating for maximum corrosion protection in wet-pipe systems

The AWWA C515 standard and UL Listing together provide a double layer of assurance that the FC115 will perform exactly as specified — every time.

Applications & Industries

The FC115 is the go-to gate valve for projects where third-party certification is a project specification requirement or a client mandate:

• Commercial High-Rise Buildings — where UL Listed components are often mandated by loss prevention consultants and insurers
• Healthcare Facilities — hospitals and clinics where fire suppression systems must meet the strictest standards with full traceability
• Data Centres & Critical Infrastructure — environments where unverified components are not acceptable
• Industrial Plants & Warehouses — large-scale facilities specifying AWWA C515 valves on fire mains and sprinkler risers
• Oil & Gas & Petrochemical Facilities — where certified fire protection components are part of mandatory HSSE (Health, Safety, Security & Environment) compliance
• International Projects with US-Influenced Specifications — particularly in the Middle East, Africa, and Asia where UL/FM standards are adopted alongside local codes

For projects where EN1092-2 / PN flanged valves are required instead of ASME B16.1, FIFFCO’s Standard OS&Y Gate Valve FS101 offers the same engineering quality to European specifications.

Frequently Asked Questions (FAQ)

Q1: What does UL Listed mean for a gate valve? UL Listed means the product has been independently tested by Underwriters Laboratories — a globally recognised safety science organisation — and confirmed to meet specific performance and safety requirements for fire protection applications. A UL Listed gate valve gives engineers, contractors, and building owners verified assurance that the valve performs to specification under real fire system conditions.

Q2: What standard does the FIFFCO FC115 comply with? The FC115 complies with AWWA C515 — the American Water Works Association standard for resilient-seated gate valves. This standard covers material, performance, and dimensional requirements for gate valves used in water and fire protection systems.

Q3: What sizes are available for the FC115? The FIFFCO FC115 UL Listed Gate Valve is available in sizes 2 inches through 12 inches, covering the full range from branch lines to large fire main applications within a single product family.

Q4: Can the FC115 handle pressures higher than 300 PSI? Yes. While the standard working pressure is 300 PSI, FIFFCO can supply the FC115 at 175 PSI, 200 PSI, or 250 PSI configurations upon request. Contact the FIFFCO technical team to confirm the right pressure rating for your system design.

Q5: How is the FC115 different from the FIFFCO FS101 Standard Gate Valve? The key difference is certification. The FC115 carries a UL Listing and meets AWWA C515, making it the required choice for projects specifying certified fire protection valves. The FS101 meets EN1092-2 and ANSI B16.1 flange standards and is suited for projects without a UL Listing requirement. Both share the same ductile iron body and full waterway design.

Conclusion & CTA:

When a project demands certified, specification-grade fire protection valves, the FIFFCO FC115 UL Listed OS & Y Gate Valve delivers exactly that — independent UL Listing, AWWA C515 compliance, a full size range from 2″ to 12″, and the engineering precision that fire protection systems depend on.

Don’t compromise on the components that stand between a fire and the people your system protects.

Ensure total safety with FIFFCO. Contact us today for a quote on our UL Listed OS & Y Gate Valve FC115 — our technical team is ready to support your specification, from valve selection to project delivery.