009L7981 – Shut-off ball valve, GBC 79s Danfoss

The Danfoss GBC 79s (009L7981) is a massive 3 1/8″ industrial manual ball valve, engineered for extreme flow capacity and secure isolation in UAE’s largest HVAC infrastructures and commercial cooling plants.

Inlet connection type: Solder, ODF, Outlet connection type: Solder, ODF, Inlet size [in]: 3 1/8 in, Outlet size [in]: 3 1/8 in

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Product details

Danfoss GBC 79s Shut-off Ball Valve | 3 1/8 in (79 mm) ODF Solder | 009L7981

Product Description:

The Danfoss GBC 79s (009L7981) is designed for the most demanding high-flow applications across the UAE. Featuring 3 1/8 in (79 mm) ODF solder connections, it provides a permanent, high-integrity joint for the massive liquid and suction lines found in Dubai’s mega-malls and district cooling plants. Its full-bore construction ensures a completely unrestricted flow path, which is vital for minimizing energy loss and maintaining high COP in the intense UAE summer heat. Rated for 45 bar, it is compatible with all modern refrigerants and features a robust dual-sealing system and a blow-out proof spindle for maximum operator safety. This valve is the pinnacle of reliability for large-scale UAE infrastructure projects where downtime is not an option.

Key Features & Benefits:

  • Extreme Full-Bore Flow: Unrestricted flow path with an immense Kv value, optimized for the high-capacity needs of UAE cooling systems.
  • Heavy-Duty Solder Ports: 3 1/8 inch ODF connections ensure a secure, hermetic brazed joint for the largest UAE piping headers.
  • 45 Bar Industrial Rating: Built to handle the high pressures of HFC and HCFC refrigerants used throughout Dubai and Abu Dhabi.
  • Safety Lock Cap: Includes a robust seal cap to prevent accidental leaks or unauthorized operation in UAE plant rooms.
  • Bi-Directional Flexibility: Can be installed in any orientation, allowing for easy placement in complex UAE mechanical room layouts.

 

Technical Specifications :

Specifications Value
Manufacturer Danfoss
Product Model GBC 79s
Code Number 009L7981
Connection Size 3 1/8 in (79 mm) ODF Solder
Max. Working Pressure 45.0 bar (653 psig)
Kv Value 468.10 $m^3/h$
Temperature Range -40°C to +150°C
Operation 1/4 Turn (Manual)

 

FAQs:

  • Q: Is the GBC 79s (009L7981) suitable for R410A systems in the UAE?
  • A: Yes, its 45-bar rating is designed to handle the high-pressure demands of R410A in large UAE installations.
  • Q: Does this large model (009L7981) have a Schrader access port?
  • A: This specific model is the standard version without an access port.
  • Q: Can it be used for oil isolation in UAE industrial systems?
  • A: Yes, it is compatible with all common refrigeration oils used in the UAE, making it versatile for both refrigerant and oil lines.

 

Specifications

  • GrossWeightValue10.882
  • GrossWeightUnitKilogram
  • NetWeightValue9.1
  • NetWeightUnitKilogram
  • VolumeValue33.356
  • VolumeUnitLiter
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