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The Leyon FL-QR/ST/ESFR Series features FM and UL-approved ESFR (Early Suppression, Fast Response) Pendent Sprinklers designed specifically for storage applications. With a high K-factor of K25.2 (36.8), these sprinklers deliver powerful water discharge for rapid fire suppression in high-challenge warehouse and storage environments, eliminating the need for in-rack sprinklers in many cases.
From soaring commercial towers and industrial plants to vital municipal projects and residential complexes, our firefighting valves provide unmatched reliability where safety matters most. Designed to perform under pressure, they safeguard lives and assets across diverse environments—ensuring your fire protection system is always ready when it counts.
We deliver reliable firefighting valves with advanced manufacturing, strict testing, and global standards—backed by fast delivery and expert support.
A1: Our products meet ISO, UL, FM, CE and other international certifications to satisfy different market and project requirements.
A2: Yes, we offer customization in size, pressure rating, connection type, and surface treatment to meet specific application needs.
A3: Standard models can usually be shipped within 7–15 days. Bulk or customized orders will require confirmation of the exact lead time.
A4: We implement strict raw material inspection, process control, and final product testing, backed by warranty and after-sales support.
