4" x 4" Flexible Coupling & Shear Ring (Clay x CI/Plastic)

Joins two pieces of pipe

• STRONG BACK SERIES
• Coupling 4.50" x 5.25" (inside diameter)
• .12" Stainless Shear Ring
• Four Stainless steel spot welded clamps with 5/16" Nuts
• Tighten to 60 lbs. torque
• Drainage applications ONLY

Shear Ring

• .012" Thick, 300 Series Stainless Steel
• Width manufactured according to coupling width (1.50", 2.13", or 4")
• Length manufactured according to coupling diameter
• Clamps spot welded in place