Reliable™ RA6424SS135 Product Description
Reliable™ Model RA6424 Upright Fire Sprinkler Head
Sprinkler Identification Number (SIN): RA6424
This Upright sprinkler features a Stainless Steel finish and a 135°F (57°C) temperature rating.
The Reliable™ Model RA6424 Upright Fire Sprinkler is a standard response, standard coverage sprinkler, activating at 135°F with a 5.6 K-Factor. Each upright head features a heat-sensitive glass bulb, standard 1/2 in. NPT threads, and a stainless steel frame and deflector for corrosion-resistant performance.
This is a standard response, standard coverage, upright sprinkler with a maximum working water pressure of 175 PSI. Using a heat-activated glass bulb, this automatic fire sprinkler opens when ambient temperatures reach 135°F, effectively containing the spread of fire.
The RA6424 is installed in the upright orientation using the Reliable™-approved Model W2 Sprinkler Wrench. Refer to the manufacturer data sheet for installation instructions, approved accessories, and installation-specific listings.
Reliable™ Upright Fire Sprinkler (RA6424) Head Listings and Approvals
Each sprinkler head is made by Reliable™ Automatic Sprinkler Co., a leading manufacturer of fire protection products. When installed properly, this RA6424 maintains the following listings and approvals: UL, cULus, FM, CE, VdS.
The Reliable™ Upright Sprinkler RA6424 is designed for NFPA 13-compliant fire sprinkler systems. Apply the listed areas of coverage and minimum water supply requirements as shown in the manufacturer’s data sheet. This upright sprinkler head has a maximum working pressure of 175 PSI and connects to wet pipe fire protection systems using 1/2 in. NPT threads.
Reliable™ RA6424 Automatic Fire Sprinkler Installation and Accessories
During installation, over-tightening can cause permanent damage to the 1/2 in. NPT threads and/or the fire sprinkler itself. Use the manufacturer-approved Model W2 installation wrench. Refer to the data sheet for additional installation torque, handling, and storage information.
Listed RA6424 Accessories include:
Sprinkler Wrenches:
• Model W2 Sprinkler Wrench
Guards and Shields (not corrosion resistant):
• D-1 Guard (cULus)
• D-3 Guard & Shield (cULus)
• C-1 Guard (FM – also available in 316 stainless steel)
• C-3 Guard & Shield (cULus, FM)
Available Sprinklers
This upright sprinkler head is also available in 155°F, 175°F, 200°F, 286°F, 360°F, and 500°F temperature options.
