Upright sprinkler Ultra K17

storagedrystandard response

Overview
The Ultra K17 is a UL Listed and FM Approved fire sprinkler engineered for ceiling-only protection in cold storage facilities. It provides control-mode, standard-response operation suitable for protecting a wide range of stored commodities while avoiding in-rack sprinkler damage and associated repair downtime.

Designed for Ceiling-only Protection
The Ultra K17 is a control mode, specific application sprinkler with standard response. It is intended for use in dry or preaction Quell / VanQuish performance-based design systems for cold storage environments.

Benefits

• Maximize storage volume by enabling ceiling-only coverage in cold storage layouts.
• Reduce maintenance and damage risk by eliminating in-rack sprinklers and simplifying storage reconfiguration without fire protection redesign.
• Proven performance based on data from 15 full-scale fire tests across commodity types, storage arrangements, and ceiling/storage heights.

Technical specifications

• Approvals: UL Listed, FM Approved
• Hazard: Storage — Class I through Cartoned Group A Plastics
• Orientation: Upright (vertical)
• K‑Factor: 16.8
• Temperature ratings: 155°F (68°C) and 200°F (93°C)
• Response: Standard
• Thread: 3/4-inch
• SIN Number: TY7153
• Note: Installation by a licensed Quell / VanQuish contractor in accordance with the applicable technical data sheet
• Application: Ceiling-only protection for cold storage; designed for dry or preaction Quell / VanQuish performance-based systems