Page 92 - Fire Suppression General Products Catalog, Automatic Sprinklers, System Valves and Devices, Piping and Electrical Products
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 Fire Suppression General Products Catalog
 Grooved Piping Products
Figure 579
One-Bolt Rigid Coupling
     Sizes
DN50 thru DN200 (2" thru 8")
     For use in fire protection systems, the GRINNELL G-Fire Figure 579 Grooved Rigid Coupling is designed to make joining pipe faster and easier than ever before. • Arriving pre-assembled and pre-lubricated, this One-Bolt Coupling is ready to install right out of the box. • The unique design consists of a three-piece housing, a center-stop gasket, and just one bolt to tighten. • The center-stop gasket ensures proper positioning on the pipe and enables easy push-on installation in both horizontal and vertical applications across wet, dry and freezer systems. • The unique, one-bolt design eliminates alternate tightening for a faster, more efficient installation. • It is capable of pressures up to 25,2 bar (365 psi) depending on pipe size and wall thickness when used in fire protection services.
     Figure 577
Rigid Coupling
Approvals
UL, ULC Listed & FM Approved
   Maximum Working Pressure
Up to 25,2 bar (365 psi)
   Grade “A” EPDM Pre-Lubricate Gasket Temperature
-34°C to 66°C (-30°F to 150°F)
  Tech Data Sheet
TFP1856
      Sizes
DN25 thru DN300 (1" thru 12")
   Approvals
Always refer to the product’s Technical Data Sheet for a complete description of all Listing and Approval criteria, design parameters, installation instructions, care and maintenance guidelines, and our limited warranty.
92
UL, ULC Listed & FM, VdS, & LPCB Approved
   Maximum Working Pressure
24, 1 bar (350 psi)
   Grade “A” EPDM Pre-Lubricate Gasket Temperature
-34°C to 66°C (-30°F to 150°F)
  Tech Data Sheet
TFP1854
   For use in fire protection systems, the GRINNELL G-FIRE Figure 577 Grooved Rigid Coupling provides a rigid joint by firmly gripping along the full circumference of the pipe grooves. Figure 577 Grooved Rigid Couplings are a proven dependable method of joining pipe and are an economical alternative to welding, threading, or using flanges. • It is capable of pressures up to 24, 1 bar (350 psi) depending on pipe size and wall thickness when used in fire protection services • Also available with tri-seal Grade “E” EPDM gasket for dry pipe fire protection systems, vacuum systems, and freezer applications
  




































































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