Senju® SS2521 Pendent Sprinkler | QR | 5.6K | White | 162F | 002-0211

SKU:
SS2521WH162
Manufacturer Part Number:
002-0211

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$22.49

Senju® SS2521 Pendent Sprinkler | QR | 5.6K | White | 162F | 002-0211

Senju® SS2521 Pendent Sprinkler | QR | 5.6K | White | 162F | 002-0211
Senju® SS2521 Pendent Sprinkler | QR | 5.6K | White | 162F | 002-0211
Senju® SS2521 Pendent Sprinkler | QR | 5.6K | White | 162F | 002-0211
Senju® SS2521 Pendent Sprinkler | QR | 5.6K | White | 162F | 002-0211
Senju® SS2521 Pendent Sprinkler | QR | 5.6K | White | 162F | 002-0211
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Senju® SS2521 Pendent Sprinkler | QR | 5.6K | White | 162F | 002-0211
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Overview

Senju ZN-QR (SS2521) Pendent Sprinkler Head

This Senju Model ZN-QR Quick Response White Flush Pendent Fire Sprinkler features a fusible link activating at 162F (72C) with a 5.6 K-Factor, and 1/2 in. NPT threads. Each quick response head features a bronze frame and copper alloy deflector. The manufacturer part number is 002-0211 and the Sprinkler Identification Number (SIN) is SS2521.

The Model ZN-QR Flush Pendent Sprinklers delivers decorative, affordable defense against fire in ordinary-temperature applications. Using a heat-activated fusible metal assembly, this automatic fire sprinkler opens when ambient temperatures reach 162F (72C), drenching the area surrounding a fire to keep it in its place of origin.

Senju ZN-QR (SS2521) Pendent Sprinkler Listings and Approvals

Each ZN-QR sprinkler is made by Senju, Japan's largest manufacturer of fire-suppression products. This flush pendent fire sprinkler head maintains UL Listing.

The SS2521 is a 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 Flush Pendent sprinkler head has a maximum working pressure of 175 PSI (12.1 BAR) FM and UL Listed and connects to wet pipe sprinkler systems.

Senju ZN-QR (SS2521) Pendent 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 flush pendent sprinkler features a white finish and a 162F (72C) temperature. Available finishes include Chrome, White, and Black. Temperature options include 162F (72C) and 205F (96C). Finish and temperature combinations available in the “Options” section at the top of this product page.

SS2521 listed accessories include the VC-H socket wrench, manufacturer part number (90000-003-0300), the ZN Model Escutcheon, manufacturer part number (90000-004-0110). 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:
SS2521WH162
Manufacturer Part Number:
002-0211
Manufacturer:
Senju
SIN:
SS2521
Model:
ZN-QR
Head Type:
Pendent
Finish:
White
Finish Detail:
White Painted
Size:
1/2 in.
Size Detail:
1/2 in. NPT Sprinkler
K Factor:
5.6K
Response Type:
Quick Response (QR)
Temperature:
162F
Heat Element:
Fusible Link
Coverage:
Standard Coverage
Material:
Bronze Frame, Copper Alloy Deflector and Body
Corrosion Resistant:
No
May Contain Lead:
Yes
UL Listed:
Yes
FM Approved:
No
Maximum Working Water Pressure:
175 PSI
Escutcheon Type:
Flush
Length:
1.38 in. (35.05 mm)
Width:
1.38 in. (35.05 mm)
Height:
2.25 in. (57.15 mm)
Weight:
0.18 lb. (0.08 kg)
Box/Pack Quantity:
100
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