Smith-Blair OMNI™ Straight/Transition Coupling, Series: 441, Fitting/Connector Type: Coupling, 4 in Nominal, Up to 250 psi, Method of Manufacture: Cast, Ductile Iron, Flexi-Coat® Fusion Bonded Epoxy, 4.8 to 5.1 in OD End 1/End 2
Smith-Blair cast couplings include a versatile system of interchangeable coupling components designed to be lighter, with fewer parts, to reduce required inventories, minimize handling problems and improve installation time.
ASTM A536 Sleeve/Follower Flange|AWWA C219/ANSI A21.11 Bolts and Nut|AWWA C219|ASTM D2000 NSF/ANSI 61G Gasket|NSF/ANSI 61|NSF/ANSI 372|UL Listed
Dimensions
4.8 to 5.1 in OD End 1/End 2
Finish
Flexi-Coat® Fusion Bonded Epoxy
Fitting/Connector Type
Coupling
Material
Ductile Iron
Method of Manufacture
Cast
Nominal Size
4 in
Pressure Rating
Up to 250 psi
Series
441
Brand
Smith-Blair
Warranty
1 Year Limited
Heavy cast ductile Iron parts for long lifeFlanges and gaskets can be mixed and matched on the same size nominal sleeveMost couplings are stab fit, making installation a breeze, no disassembly is requiredOne sleeve per nominal pipe size takes the guess work out of deciding which sleeve size to chooseFlanges are color coded by pipe type: Red for iron pipe size OD, blue for ductile OD and gray for asbestos cement ODGaskets and flanges are permanently marked with a part number and range to facilitate proper selection