UL Certified Fire Protection Valves
UL Listed Fire Valves for Dependable Fire Protection Systems
Wanlian Fluid manufactures UL listed gate, butterfly, check, deluge and pre-action valves for commercial and industrial fire protection systems. Every valve is produced on our own production lines near Quanzhou under an ISO 9001 quality system — factory-direct, with stable lead times and full certification documentation for your project.
Fire Valve Series
Resilient Seat Gate Valve (Z41X)
EPDM encapsulated wedge, bubble-tight shutoff, DN50–DN700
Signal Grooved Wafer Butterfly Valve
DN80 PN16 with integrated status monitoring switch
UL/FM OS&Y Gate Valve (Grooved)
UL/FM listed rising-stem gate valve, 2"–10", grooved ends
Sliding Ball Check Valve (HQ41X)
Low head loss, non-clogging rolling ball design
Deluge Alarm Valve Group (ZSFM)
Diaphragm-operated, DN50–DN300, fast opening
Pre-action Alarm System (ZSFY)
Dual-trigger failsafe for water-sensitive rooms
Key Specifications
| Specification | Details |
|---|---|
| Standards | UL / ULC Listed, FM Approved (per model and destination market) |
| Size range | DN40 – DN300 (1½" – 12") |
| Pressure rating | PN16 / PN25 (per model) |
| Body material | Ductile iron QT450 / WCB / CF8 · CF8M stainless steel |
| End connections | Flanged / Grooved / Threaded |
| Media | Water, foam solution |
Applications
Our UL fire valves are installed in commercial building sprinkler systems, industrial plants, warehousing and logistics centres, data centres and petrochemical fire mains — wherever certified, reliable flow control is a code requirement.
Why Choose Wanlian Fluid
- Certified quality — UL/ULC and FM certificates published on our certificates page, verifiable before you order.
- Factory direct — stable lead times, OEM/ODM support and engineering selection assistance.
- One order, one factory — valves shipped together with sprinkler heads, hydrants and accessories for the complete suppression loop.
New to Valve Standards?
Start with our buyer's guide: Fire Hydrant, Fire Hose & Valve Standards Explained.
Frequently Asked Questions
What does UL listed mean for fire valves? +
UL listing verifies that a valve meets UL/ULC fire protection standards for flow, pressure rating and durability, ensuring reliable performance in sprinkler and standpipe systems. It is a mandatory requirement for most North American and many international projects.
Which fire valves does Wanlian manufacture with UL listing? +
We manufacture gate, butterfly, check, deluge and pre-action valves in flanged, grooved and threaded connections from DN40 to DN300. Contact our sales team with your project specification to match the correct valve type and certification package.
Can you provide the UL certificate before ordering? +
Yes. Our UL/ULC and FM certificates are available on request — see our Certificates page for reference, and our engineers will confirm the exact certification that applies to your destination market before quoting.
What is your MOQ and lead time for fire valves? +
MOQ depends on valve type and size — typically 10–20 units per model for stock sizes, with production lead times of 15–30 days. Sample orders are available for pre-shipment testing and approval.
Do you support OEM/private label for fire valves? +
Yes, we support OEM/ODM with custom branding, packaging and specification adjustments per project requirements. Production runs on our own production lines under an ISO 9001 quality management system.
Need UL Fire Valves for Your Project?
Send us your valve type, DN/PN and target certification — our engineers reply with a full datasheet and quotation within 12 hours.