Tyco® TY323 Pendent Sprinkler | QR | 5.6K | Chrome | 155F | 77-371-9-155

Tyco TY-FRB (TY323) Quick Response Pendent Sprinkler Head Overview

This Tyco TY-FRB Chrome Pendent Quick Response Fire Sprinkler features a glass bulb activating at 155F (68C) with a 5.6 K-Factor, and 1/2 in. NPT threads. Each pendent head features a bronze frame and bronze deflector. The manufacturer part number is 77-371-4-155 and the Sprinkler Identification Number (SIN) is TY323.

The TY-FRB Pendent Sprinkler delivers effective, affordable defense against fire in light or ordinary-temperature applications. Using a heat-activated glass bulb assembly, this automatic fire sprinkler opens when ambient temperatures reach 155F (68C), drenching the area surrounding a fire to keep it in its place of origin. For recessed pendent application, refer to data sheet for installation with the Style 15 or Style 20 Recessed Escutcheon.

Tyco TY-FRB (TY323) Quick Response Pendent Fire Sprinkler Listings and Approvals

Each TY-FRB sprinkler is made by Tyco, a global leader in fire-suppression products. This pendent fire sprinkler head maintains UL and C-UL Listing, FM Approval, MEA 354-01-E (NYC), along with VdS Approval and LPCB Ref. No. 094a/06 for non-recessed installation. For recessed installation approvals, please refer to datasheet.

The TY323 is a commercial sprinkler and is cULus listed for use when installed in accordance with NFPA 13 requirements for wet pipe sprinkler systems and designed for use in commercial occupancies. This quick response sprinkler head has a maximum working pressure of 175 PSI (12.1 BAR) FM, and is UL Listed for 250 PSI (17.2 bar) and connects to wet piping systems.

Tyco TY-FRB (TY323) Quick Response Pendent Commercial Fire Sprinkler Installation and Other Information

During installation be aware that over tightening will cause permanent damage to the 1/2 in. NPT threads and/or the fire sprinklers themselves. Use the manufacturer approved installation wrench and tighten to a maximum torque of 14 ft-lb (19 N-m). Refer to the data sheet for additional storage and installation information.

This pendent sprinkler features a chrome finish and a 155F (68C) temperature. Available finish options include Brass, White, Black, and Chrome. Signal White Polyester (White) and Jet Black Polyester (Black) are UL Listed as corrosion resistant. Temperature options include 135F (57C), 155F (68C), 175F (79C), 200F (93C), and 286F (141C). Finish and temperature combinations available in the “Options” section at the top of this product page.

TY323 listed accessories include the W-Type 6 (standard) and W-Type 7 (recessed) sprinkler wrenches, manufacturer part number(s) (56-000-6-387, 56-850-4-001), and the Style 15 and Style 20 Escutcheon(s), manufacturer part number(s) (56-715-9-010, 56-705-9-010). Commonly purchased with fire sprinkler head cabinets and sprinkler shut off tools. These products are available in the “Frequently bought together” products section at the top of this product page. Over the years, Tyco has acquired Central Sprinkler, Gem Sprinkler Company, Grinnell Corporation, and Star Sprinkler Incorporated, and while these brands are no longer available, Tyco has re-designated many of their sprinkler models. Quick-response sprinklers from Gem and Grinnell’s previous Model A line were incorporated into Series TY-FRB. Star’s SG-QR was also re-designated as TY-FRB.