Reliable™ RA6424SS500 Product Description
Reliable™ Model F1-56SS Upright Fire Sprinkler Head
Sprinkler Identification Number (SIN): RA6424
This Upright sprinkler features a Stainless Steel finish and a 500°F (260°C) temperature rating.
The Reliable™ Model F1-56SS Upright Fire Sprinkler is a standard response, standard coverage sprinkler with a 5.6 K-Factor. It includes a 3 mm heat-sensitive glass bulb, 1/2 in. NPT thread connection, and a corrosion-resistant stainless steel frame with stainless steel deflector. This variant is finished in Stainless Steel.
This sprinkler is designed to operate at a maximum working water pressure of 175 PSI and responds thermally at 500°F.
Installation must comply with the technical specifications in the official Reliable™ data sheet.
Reliable™ Upright Fire Sprinkler (RA6424) Listings and Approvals
Each RA6424 sprinkler is produced by Reliable™ and holds the following listings for this temperature variant:
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UL Listed
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cULus Listed
RA6424 Upright Sprinkler – Design Specifications
The sprinkler is suitable for use in fire suppression systems designed to NFPA 13 standards. It operates with a maximum working pressure of 175 PSI and should be installed using the guidelines in the manufacturer’s data sheet.
RA6424 Installation and Accessories
Use the designated Model W2 installation wrench. Avoid over-tightening, and follow torque guidance provided by Reliable™.
Approved Accessories:
Sprinkler Wrench:
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Model W2
Guards and Shields:
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D-1 Guard (cULus)
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D-3 Guard & Shield (cULus)
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C-1 Guard (FM – type 316 stainless steel available)
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C-3 Guard & Shield (cULus, FM)
Note: Guards and shields listed are not corrosion-resistant unless specified.
Available RA6424 Sprinkler Heads
This sprinkler head is also available in Stainless Steel finish with the following temperature options:
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135°F (57°C)
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155°F (68°C)
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175°F (79°C)
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200°F (93°C)
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286°F (141°C)
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360°F (182°C)
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500°F (260°C)
