The DDX PrePaK N2-Blast® System

FM Approved as a factory-assembled system

Available with Reliable® Preaction and Dry-Pipe Systems

  • 2” (50 mm), 2½” (65 mm), 3” (80 mm) and 4” (100 mm) valve sizes
  • DDX Type D preaction, DDX Type F preaction, or DDX-LP dry-pipe configurations

South-Tek N2-Blast® Model FPS-900-RS Nitrogen Generator

  • FM Approved nitrogen generator
  • Pressure Swing Adsorption (PSA) technology
  • System capacity up to 900 gallons
  • Includes AutoPurge System® vent

For more information click HERE.

The Model PRV Pressure Regulating Valve

  • 400 psi (27.6 bar) rated pressure
  • Compact trim
  • No trim connections to valve cover
  • Pressure relief valve included with trim

 Available in 2-1/2” (65mm), 76mm, 3” (80mm), 4” (100mm), 6” (150mm), and 165mm sizes.

For more information click HERE.


The Reliable Model DDV Diaphragm Deluge Valve

  • Trim Options Available
    • Remote Resetting (on/off) [300 psi (20.7 bar)]
    • Remote Resetting (on/off) Pressure Regulating [400 psi (27.6 bar)]
    • Electric Actuation [175 psi (12.0 bar) or 300 psi (20.7 bar)]
    • Wet Pilot [400 psi (27.6 bar) – depends on pilot line detectors]
    • Dry Pilot [400 psi (27.6 bar)
    • Dry Pilot Pressure Regulating [400 psi (27.6 bar)
  • Industry-leading compact footprint.
  • No trim connections to valve cover.
  • Single internal moving part.
  • Vertical or horizontal installation orientation.

For more information see Bulletins 550 & 551.

Wrench-able Caps for Flat Plate Concealed Sprinklers

  • Provided with Model RFCG5, and LT56C sprinklers.
  • Using the Model W3 wrench, sprinklers are installed without removing the protective cap.
  • Cap color indicates sprinkler temperature rating.
  • Cap can be removed with a standard 1/2" NPT or BSPT threaded adapter on pipe
  • Adhesive backed silicone disk available to create a cover plate installation tool.


Model AAV Automatic Air Vent

  • Reduce Corrosion in Wet Pipe Sprinkler Systems
  • Meets the requirement of NFPA 13 for a high point air vent on wet pipe sprinkler systems
  • Designed, built, and tested by Reliable
  • UL Listed & FM Approved for use on wet pipe fire protection systems
  • Stainless steel body construction and strainer limit corrosion within the vent
  • 175 psi & 300 psi pressure ratings

For more information please see Bulletin 620.

Model FCA Floor Control Assembly

    • Factory-assembled by Reliable and ready for installation
    • Uses standard, modular components
    • Includes riser check valve, water flow switch, control valve, test and drain valve, pressure relief valve, and system pressure gauge
    • Each segment can be rotated independently to fit in tight spaces
    • 2”, 2-1/2”, 3”, & 4” sizes

    For more information please see Bulletin 619.


    Model GL112 and Model GXLO Sprinklers

    • Now available with factory-installed water shields.
    • K factor is K11.2.

    For more information please see bulletin 129 (GXLO) and bulletin 132 (GL112).


    Model AH42 and AH56 Attic Sprinklers

    • Industry leading attic sprinkler coverage, now for hip roofs
    • cULus Listed for protection of hip roofs
    • Coverage area of 10ft by 15ft

    For more information please see Bulletin 056

    Model G Check & Riser Check Valves

    • 1.5”, 2” and 10” (40, 50 and 250mm)
    • cULus Listed & FM Approved
    • 300 psi (20.7 bar) pressure rated
    • Grooved end connections
    • Lightweight & Low friction loss

    For more information please see Bulletins 806 and 807.

    RFC76 Residential Sprinkler

    • Offering design flexibility in working with available water supplies, installing few sprinklers and providing increased spacing options.
    • cULus Listed
    • Flat cover plate concealed pendent with K7.6 (109 metric)
    • ¾” threads, ¾” (19mm) cover plate adjustment
    • 165°F (74°C) or 212°F (100°C) temperature rating

    For more information please see Bulletin 006 

    Model G5-80F Sprinkler

    • Standard coverage, standard response flat cover plate concealed sprinkler
    • K8.0 (115 metric)
    • FM Approved
    • Features a heat-treated stainless steel deflector

    For more information please see Bulletin 034 

    F1-SS and F1FR-SS Series Stainless Steel Sprinklers

    • cULus Listed and FM Approved as Corrosion Resistant Sprinklers
    • Type 316 stainless steel alloy frame, deflector, cap, and load screw
    • Available as Upright, Pendent, or Recessed Pendent sprinklers
    • K5.6 (80 metric) and K8.0 (115 metric)

    For more information please see Bulletin 064 for more details on the F1-SS Series Stainless Steel Sprinklers and Bulletin 065 for more details on the F1FR-SS Series Stainless Steel Sprinklers.  

    Model A Relief Valve

    • UL Listed and FM Approved
    • Available factory-set at these nominal operating pressures: 175 psi (12 bar), 185 psi (13 bar), 210 psi (14 bar), 260 psi (18 bar), and 310 psi (21 bar)

    For more information please see Bulletin 257

    Reliable Model TD Test and Drain Valve

    • cULus Listed, FM Approved
    • A single handle, tri-position ball valve allowing
      both testing of the waterflow alarm and draining of a wet-pipe fire protection system.

    For more information, please see Bulletin 618.


    Model QRM Riser Mount Air Compressors

    • These products provide compact and quiet compressed air sources
      for dry pipe and preaction fire protection systems.
    • These air compressors come in tank-mounted and tankless options, and
      are available in three sizes.

    For more information, please see Bulletin 256.

    RFC58, Flat Cover Plate, Concealed Pendent Residential Sprinkler, K5.8 (84 metric)

    • cULus Listed Residential Sprinkler
    • Low water flow requirements
    • Ordinary or Intermediate Temperature Classification
    • Push-On cover plate installation
    • Variety of cover plate finishes are available either solid or perforated

    For more information, please see Bulletin 006.

    LT56 Series Special Sprinklers, K5.6 (80 metric)

    • Flat Cover Plate, Concealed Pendent version now available
    • Designed specifically for corridors and hallways
    • 28' x 10' (8.5m x 3m) maximum coverage area
    • cULus Listed for Light Hazard Occupancies
    • Increased spacing and reduced water demand in corridors compared with traditional extended coverage sprinklers

    For more information, please see Bulletin 058.

    G5-56 Dry, K5.6 (80 metric)

    • Flat Cover Plate, Concealed, Dry Pendent Sprinkler
    • Dropdown deflector design allows sprinkler to be recessed into ceiling and concealed by a flat cover plate
    • G4 cover plate with 1/2" (13mm) adjustment
    • Available in Ordinary (165°F) or Intermediate (212°F) temperature rating
    • G4 cover plates (solid or perforated) available in a variety of finishes
    • Available lengths from 4¼” (108mm) to 48” (1219mm) in ¼” (6.35mm) increments

    For more information, please see Bulletin 051

    G4 XLO-QR ECLH/ECOH, K11.2 (160 metric)

    • Quick Response for Light and Ordinary Hazard occupancies
    • Spacing up to 20’ x 20’ (6.1m x 6.1m) 400 ft2 (37.2m2) per sprinkler
    • Threaded flat cover plate - solid or perforated
    • Smooth aesthetic ceiling profile
    • 1/2” (13mm) cover plate adjustment
    • 3/4” NPT (R3/4) Thread

    For more information, please see Bulletin 171

    G6-80 HSW QR EC, K8.0 (115 metric)

    • Quick Response
    • Light Hazard applications
    • Spacing up to 16' x 24' (4.9m x 7.3m)
    • 1/4" (6.3mm) adjustment

    For more information, please see Bulletin 047

    G6-56 HSW QR, K5.6 (80 metric)

    • Quick Response
    • Standard Spray HSW spacing
    • Light and Ordinary Hazard applications
    • 1/4” (6.3mm) adjustment

    For more information, please see Bulletin 050

    RFS42 HSW, K4.2 (60 metric)

    • New Residential Flat Plate Concealed, Horizontal Sidewall Sprinkler
    • cULus Listed for Sprinkler Coverage up to 16’ x 20’ (4.9m x 6.1m)
    • Flat cover plates (solid or perforated look) for a flush, concealed to wall look; available in a wide variety of colors and finishes
    • Sized to fit in a 3-1/2” or larger stud space when installed in most common 3/4” by 1/2” fittings, including the Spears TorqueSafe™ sprinkler head elbow and tee. See Bulletin 048 for fitting size and configuration requirements.
    • Push-on, pull-off cover plate with 1/8” (3.2mm) adjustment

    For more information, please see Bulletin 048

    EX Low Pressure Dry Pipe Valve

    • Lightweight, low friction loss
    • Low air pressure 8 to 28 psi (0.6 to 1.9 bar) reduces size of air compressor or quantity of nitrogen
    • Optional:  air pressure up to 40 psi (2.8 bar)
    • Convenient and safe external reset; no priming water required
    • Latching type valve is less susceptible to false trips caused by pressure surges
    • Grooved/Grooved, Grooved/Flange, Flange/Flange with pressure rating of 250 psi (17.2 bar) or 300 psi (20.7 bar) for 4", 6" and 165mm only
    • Available Sizes:  2" (50mm), 2-1/2" (65mm), 76mm, 3" (80mm), 4" (100mm), 165mm, 6" (160mm) & 8" (200mm)

    For more information, please see Bulletin 359

    KFR-CCS 56 Combustible Concealed Space Sprinkler, K5.6 (80 metric)

    • Combustible Concealed Space Sprinkler providing coverage up to 256 ft2.
    • UL listed, K-5.6 Special Application Sprinkler for combustible concealed spaces
    • 212°F solder element
    • 1,000 square foot design area for both Wet- and Dry-Pipe systems
    • Spacing: maximum of 14’ between sprinklers for:      
    • Open trusses from 12" to less than 18" in depth
    • Solid joists or composite wood joists
    • Spacing: maximum of 16' between sprinklers for:
    • Open trusses from 18" to 36"
    • Minimum distance between sprinklers:  6'

    For more information, please see Bulletin 044