Leyon FM UL Model K17 231 16.8 K factor Upright and Pendent Sprinklers Standard Response

The Model ESFR-17 Upright Sprinklers are Early Suppression, Fast Response (ESFR) sprinklers engineered with a nominal K-factor of 16.8 . Designed for rapid suppression of high-challenge fires, these high-performance suppression mode sprinklers offer significant operational advantages by eliminating the requirement for in-rack sprinkler systems in the protection of high-piled storage. They deliver efficient, ceiling-only fire protection solutions in demanding warehouse and industrial storage environments.

Category:

Description

Model TY7151,TY7251
Material Brass
Type Upright,Pendent
K-factor, gpm/psi% (Lpm/bar%) 16.8 gpm/psi1/2 (241,9 Lpm/bar1/2)
Temperature Rating °F (°C)1 155°F (68°C)1

200°F (93°C)

286°F (141°C)

Thread Coefficient 3/4 in. NPT
Maximum Working Pressure, psi (bar) 175 psi (12,1 bar)

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.