Style 441 | Cast Coupling | SS316

Typically ships in 7-10 business days

Product Features:

Cast Couplings Application To join plain end pipes with the same or different O.D.s by changing followers and gaskets.
Heavy cast Ductile Iron parts for long life
Meets applicable AWWA C219 Standards
Flanges and gaskets can be mixed and matched on the same size nominal sleeve
Most couplings are stab fit making installation easy. No disassembly is required
Up to 2.4 of range with a single coupling reducing the need for large coupling inventories
One sleeve per nominal pipe size takes the guesswork out of deciding which sleeve size to choose
Flanges are color-coded by pipe type Red for iron pipe size O.D. Blue for Ductile O.D. and gray for Asbestos-Cement O.D.
Gaskets and flanges are permanently marked with a part number and range to facilitate proper selection
Sleeves are available in a variety of lengths and custom length Steel sleeves are available for special applications

Materials:

SLEEVE Ductile Iron ASTM A536. Ends have smooth inside taper for uniform gasket seating
GASKET Nitrile (Buna N) certified to NSF/ANSI 61G. Compounded to produce superior storage and performance characteristics while resisting water acids alkalies most (aliphatic) hydrocarbon fluids and other chemicals
FOLLOWER FLANGES Ductile Iron ASTM A536. Designed for high strength to weight ratio
BOLTS & NUTS High strength low alloy Steel bolts with heavy semi-finished hexagon nuts to WWA C219 (ANSI A21.11) Optional Stainless Steel
FINISH Flexi-Coat Fusion-Bonded Epoxy Finish
Working Pressure Up to 250 PSI
Pipe Applications Steel Cast Iron Asbestos Cement PVC and other. For other pipe materials please contact Smith-Blair Engineering.