Style 441 | Cast Coupling
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
Style 441 Smith Blair Spec Sheet
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.