OverviewThe Grinnell G-Fire Figure 579A is a one-bolt, grooved rigid coupling designed for fast push-on installation. It ships pre-assembled and pre-lubricated, featuring a three-piece housing, a center-stop gasket and single-bolt tightening. Gasket type varies by size: powder-lubricated for 1-1/4" (DN32) and 1-1/2" (DN40); self-lubricating for 2" (DN50) through 8" (DN200).
Product DetailsProduct Type: Rigid Coupling
Listings and Approvals: UL and C-UL Listed; FM, VdS, and LPCB Approved
Sizes: 1 1/4" to 8" (DN32 to DN200)
Ready for Easy InstallationThe coupling is supplied pre-assembled and pre-lubricated for immediate push-on installation. The center-stop gasket is matched to each coupling size to ensure consistent positioning. Low-profile spine design permits installation in confined spaces.
Features- One-bolt design eliminates alternate tightening steps
- Center-stop gasket sized to each coupling ensures proper positioning
- Low-profile spine for installation in tighter spaces
- Full range of metric and imperial sizes available
- Pre-assembled for fast push-on installation
- 360-degree pipe contact provides a truly rigid joint
- UL and C-UL Listed; FM, VdS, and LPCB Approved
- 6–8" sizes available only in North America
Benefits- Reduces installation time by removing alternate tightening steps
- Ships ready for install with pre-lubricated gasket
- Part of the Grinnell G-Fire portfolio of fittings and couplings
Specifications- Finish: Orange non-lead paint; RAL red non-lead paint; hot-dipped galvanized to ASTM A153
- Gasket: Pre-lubricated Grade “A” EPDM, -30°F to 150°F (-34°C to 66°C); color code varies
- Product Type: Rigid Coupling
- Listings and Approvals: UL and C-UL Listed; FM, VdS, and LPCB Approved
- Sizes: 1 1/4" to 8" (DN32 to DN200)
- Design: Three-piece housing with center-stop gasket; single-bolt tightening; low-profile spine for tight spaces
- Gasket lubrication: Powder-lubricated for 1-1/4" and 1-1/2"; self-lubricating for 2" through 8"