Description
The Grinnell G-Fire Figure 579A is ready to install right out of the box, arriving pre-assembled and pre-lubricated. The coupling features a unique, three-piece housing, a center-stop gasket, and just one bolt to tighten. Gaskets for the 579A are customized to specific coupling sizes intended for easy and consistent installation. The smallest sizes, including 1-1/4” (DN32) and 1-1/2” (DN40), utilize a powder-lubricated gasket; the mid-range and large sizes, including 2-inch (DN50) through 8-inch (DN200), utilize a self-lubricating gasket.
Features
- One-bolt design means no alternate tightening required
- Center-stop gasket customized to the coupling sizes helps ensure proper positioning
- Low-profile spine allows installation in tighter spaces
- A full range of metric and imperial sizes available
- Pre-assembled for fast and easy push-on installation
- 360-degree pipe contact ensures a truly rigid joint
- UL and C-UL Listed; FM, VdS, and LPCB Approved
- 6-8” sizes available only in North America
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