Leyon FM UL Series DS 1 5.6 K factor Dry type Sprinklers Pendent Upright and Horizontal Sidewall Standard Response Standard Coverage

The Tyco DS-1 5.6K is a standard response, standard coverage dry sprinkler (pendent, upright or horizontal sidewall) with a decorative 5mm glass bulb designed for ice prone areas such as unheated attics, freezers, loading docks and seasonal drain systems in mild hazardous locations.

Category:

Description

Model TY3255 – Pendent

TY3155 – Upright

TY3355 – Horizontal Sidewall

Material Bronze
Maximum Working Pressure 175 psi (12.1 bar)
Discharge Coefficient K=5.6 gpm/psi½ (80,6 Lpm/bar½)
Temperature Rating °F (°C)1 135°F (57°C)-360°F (182°C)
Thread Size 1 in. NPT or ISO 7-R 1
Sprinkler Orientation Pendent/Upright

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.