Senju® SS2552 Upright Sprinkler | QR | 5.6K | Chrome | 205F | 002-5522

SKU:
SS2552CH205
Manufacturer Part Number:
002-5522

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Overview

Senju FR-QR (SS2552) Upright Sprinkler Head Quick Response

This Senju Model FR-QR Quick Response Chrome Upright Fire Sprinkler features a fusible link activating at 205F (96C) with a 5.6 K-Factor, and 1/2 in. NPT threads. Each quick response head features a DZR brass frame. The manufacturer part number is 002-5522 and the Sprinkler Identification Number (SIN) is SS2552.

The Model FR-QR Upright Sprinkler delivers effective, affordable defense against fire in light or ordinary-temperature applications. Using a heat-activated fusible metal assembly, this automatic fire sprinkler opens when ambient temperatures reach 205F (96C), drenching the area surrounding a fire to keep it in its place of origin.

Senju FR-QR (SS2552) Upright Sprinkler Listings and Approvals

Each FR-QR sprinkler is made by Senju, Japan's largest manufacturer of fire-suppression products. This upright fire sprinkler head maintains UL Listing and is FM Approved.

The SS2552 is a quick response standard coverage sprinkler and is cULus listed and FM approved for use when installed in accordance with NFPA 13 requirements for wet pipe sprinkler systems and designed for use in Commercial occupancies. This upright sprinkler head has a maximum working pressure of 175 PSI (12.1 BAR) FM and UL Listed and connects to ceiling wet piping systems.

Senju FR-QR (SS2552) Upright Sprinkler Head 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 upright sprinkler features a chrome finish and a 205F (96C) temperature. Available finish options include Brass, White, Black, and Chrome. Temperature options include 162F (72C), 205F (96C), and 286F (141C). Finish and temperature combinations available in the “Options” section at the top of this product page.

SS2552 listed accessories include the FR open-end wrench, manufacturer part number (90000-003-0510), and is 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.

Specifications

QRFS SKU:
SS2552CH205
Manufacturer Part Number:
002-5522
Manufacturer:
Senju
SIN:
SS2552
Model:
FR-QR
Head Type:
Upright
Finish:
Chrome
Finish Detail:
Chrome Plated
Size:
1/2 in.
Size Detail:
1.2 in. NPT Sprinkler
K Factor:
5.6K
Response Type:
Quick Response (QR)
Temperature:
205F
Heat Element:
Fusible Link
Coverage:
Standard Coverage
Material:
DZR Brass Frame, Phosphor Bronze or Stainless Steel Deflector
Corrosion Resistant:
No
May Contain Lead:
Yes
UL Listed:
Yes
FM Approved:
Yes
Maximum Working Water Pressure:
175 PSI
Length:
1.47 in. (37.34 mm)
Width:
1.47 in. (37.34 mm)
Height:
2.2 in. (55.88 mm)
Weight:
0.18 lb. (0.08 kg)
Box/Pack Quantity:
100

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