• Used to connect pipes of different outside diameters when the maximum O.D. variation does not exceed the listed coupling O.D. range. 
• Application Joining plain end pipe of different diameters within the same nominal pipe size.  
• Meets applicable AWWA C219 Standards
• Allows for limited expansion and contraction
• Will dampen vibration to reduce pipe fatigue 
• Easy to install no special pipe end preparation required 
• Available in a wide variety of pipe O.D. sizes and sleeve lengths 
• Most sizes will accommodate anchor studs to restrain the joints 
• Can be custom made to fit odd O.D.s or other unusual applications 
• Provided with or without pipe stops to accommodate customer needs 
• Has good deflection capabilities allows change in piping direction without the need of elbows bends etc 

Style 413 Smith Blair Spec Sheet

• SLEEVE ASTM A53 ASTM A513 or Carbon Steel having a minimum yield of 30000 PSI 
• FOLLOWERS Ductile Iron ASTM A536 or Steel AISI C 1020. Designed for a high strength to weight ratio Follower thickness determined by coupling size 
• BOLTS & NUTS High strength low alloy Steel with heavy semi-finished hexagon nuts. Optional Stainless Steel 
• GASKET Nitrile (Buna N) NSF 61 compounded to produce superior storage and performance characteristics while resisting water acids alkalies most (aliphatic) hydrocarbon fluids and other chemicals 
• Temperature Range -20F to 180F 
• FINISH Flexi-Coat Fusion Bonded Epoxy Finish 
• Working Pressure Up to 150 PSI Pipe Applications PVC Steel Ductile Iron AC and others.