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GRINNELL, FIRE SPRNKLER COUPLING CLAMP, 772, 2-1/2" / 73 MM, 750 PSI : IRONTIME SALES INC.
File:GRINNELL Couplings.jpg - Wikipedia
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Quick-install Grooved Coupling | 2013-02-13 | Plumbing and Mechanical | Plumbing & Mechanical
GRINNELL Figure 780 Grooved Snap Couplings 1-1/4 thru 8 Inch (DN32 thru DN200) Ordering Procedure Technical Data General Descrip
Grinnell Fire 70530ES Flexible Coupling With Grade "E" EPDM Gasket, 3 in, Ductile Iron - Discontinued | First Supply
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3" Grinnell 774 Rigid Std Grooved Coupling 34.5 Bar EPDM
Grinnell 2-1/2" 772 77225E3S Grooved Rigid Coupling - Painted - Walmart.com
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Grinnell 2-1/2" 772 77225E3S Grooved Rigid Coupling - Painted - Walmart.com
CENTRAL, GRINNELL, FIRE SPRNKLER COUPLING, 772, 2"/60.33 MM, W/ END CAP : IRONTIME SALES INC.
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Grinnell Couplings | Outlet fittings | Grooved fittings | Gaskets
