Reliable™ RA6424SS200 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 200°F (93°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 is constructed with a stainless steel frame and stainless steel deflector. The finish is Stainless Steel.
This is a standard response, standard coverage upright sprinkler with a maximum working pressure of 175 PSI. The sprinkler operates via a glass bulb rated to open at 200°F.
The RA6424 sprinkler is intended for upright installation only. Installation must follow the instructions provided in the manufacturer’s technical bulletin.
Reliable™ Upright Fire Sprinkler (RA6424) Listings and Approvals
Each RA6424 sprinkler head is manufactured by Reliable™ and, when installed according to specifications, maintains the following approvals:
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UL Listed
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cULus Listed
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FM Approved
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CE Marked
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VdS Approved
RA6424 Upright Sprinkler – Design Specifications
The RA6424SS200 is listed for use in fire protection systems designed in accordance with NFPA 13. It is compatible with wet pipe systems and operates at a maximum working water pressure of 175 PSI (12.1 BAR). Refer to the Reliable™ technical bulletin for system design details, spacing, and minimum water supply requirements.
RA6424 Installation and Accessories
Do not overtighten during installation as it can damage the 1/2 in. NPT threads or the sprinkler assembly. Use the manufacturer-approved installation wrench. For specific torque limits and handling procedures, consult the RA6424 technical bulletin.
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 – available in type 316 stainless steel)
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C-3 Guard & Shield (cULus, FM)
Note: The guard and shield accessories for this sprinkler are not corrosion-resistant unless specified.
Available RA6424 Sprinkler Heads
This upright sprinkler is also available in a Stainless Steel finish at the following temperature ratings:
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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)
