Upright Sprinklers Model GS251 K-factor 5.6 Sprinklers Standard response

Model GS251, 5.6 K-factor Upright, Sprinklers Standard response

• GENERAL DESCRIPTION 
  • GS Upright/ Pendent sprinklers are designed for use in light and ordinary hazards. The temperature response is standard response (5mm glass bulb) and quick response (3mm glass bulb). The sprinklers come with compact design, glass bulb type, available in several different finishes and temperature ratings. The pendent sprinklers must be installed in pendent position, and upright sprinklers are to be installed in the upright position.
  • Pendent Recessed Sprinklers are installed with adjustable or non-adjustable Escutcheon plates. These are intended to be installed with finished ceilings. Escutcheon plate adjustment provides convenience in Pendent Sprinkler installation in case of areas with finished ceilings or walls
• NOTICE
  • The GS Model GS251 Sprinklers described herein must be installed and maintained in compliance with this document, as well as with the applica- ble standards of the National Fire Pro- tection Association (NFPA), in addition to the standards of any other authorities having jurisdiction. Failure to do so may impair the perfor- mance of these devices. The owner is responsible for main- taining their fire protection system and devices in proper operating con- dition. Contact the installing contrac- tor or product manufacturer with any questions.
  • In all cases, the appropriate NFPA installation standard, or other applicable standard, must be ref-erenced to ensure applicability and to obtain complete installation guidelines. The general guidelines in this technical data sheet are not intended to provide complete installation criteria.
• OPERATION
  • The glass bulb contains a fluid which expands when exposed to heat. When the rated temperature is reached, the fluid expands sufficiently to shatter the glass bulb, allowing the sprinkler to activate and water to flow

• TECHNICAL DATA
  • Sprinkler Identification : GS251
  • K-factor, gpm/psi½ (Lpm/bar½): 5.6 (80 L/min/bar^0.5)
  • Temperature Rating ºF (ºC): 57°C (135° F), 68°C (155° F), 79°C (175° F), 93°C (200° F), 141°C (286°F), 182°C (360°F).
  • Thread Size: 1/2 in. NPT
  • Sprinkler Orientation: Upright/ Pendent
  • Working Pressure, psi (bar): 175 psi (12 bar)
• INSTALLATION 
  • Upright Sprinklers (GS251): Install with the frame arms parallel to the branch line
  • Use the appropriate sprinkler wrenches to prevent damage during installation.
  • Maintain proper clearance from obstructions as per local fire codes and regulations.
• NOTE 
  • Step 1. With pipe thread sealant applied, hand-tighten the sprinkler into the sprinkler fitting.
  • Step 2. Wrench-tighten the Model GS251 Sprinkler using only the W-Type 34 Sprinkler Wrench as shown in Figure 2, and by fully engaging (seating) the wrench on the sprinkler wrench flats
  • Step 3. After installation, inspect the bulb of each Model GS251 Sprinkler for damage. In particular, verify that the bulb is not cracked. Replace damaged sprinklers.