Leyon FM UL Series FL-QR Standard Coverage Quick Response Upright Pendent and Recessed Pendent Sprinklers K2.8 4.0 K4.2 6.1 K5.6 8.1 K8.0 11.5

The FL-QR Series features Standard Coverage, Quick Response fire sprinklers available in Upright, Pendent, and Recessed Pendent styles. Designed for rapid activation, they are ideal for commercial and residential applications. Available in K-factors of K2.8 (4.0), K4.2 (6.1), K5.6 (8.1), and K8.0 (11.5), these sprinklers provide flexible and reliable fire protection across a wide range of system requirements.

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Application Areas

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.

Why Choose Our Leyon

Engineered for Critical Environments

We deliver reliable firefighting valves with advanced manufacturing, strict testing, and global standards—backed by fast delivery and expert support.

Why Choose Our firdip

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.