4 Inch Shielded Below Ground Sewer Pipe Coupling For Cast Iron Plastic Or Steel To Cast Iron Plastic Or Steel Plumbing Waste Connections With Elastomeric PVC Wrapped In 300 Series Stainless Steel For Heavy Duty Loads And No Fuss Pipe Alignment

Shielded 4-Inch Below-Ground Sewer Pipe Coupling
✔️ Elastomeric PVC wrapped in 300 Series stainless steel for loads

The 4 inch shielded below-ground sewer pipe coupling is designed to join cast iron, plastic, or steel pipe below ground. It resists heavy earth loads and shear forces while improving pipe alignment, making it ideal for underground drainage, waste, and vent piping in outdoor or buried installations. The gasket is CSA B602 and ASTM C1173 compliant, and the assembly handles low-pressure sewer service with a 4.3 PSI test rating and up to 140°F ambient conditions.

✅ 4-inch nominal size; fits pipe OD 4.264-4.5 in on each end; ID 4.5 in
✅ 0.012" stainless steel shield with molded-in bushing for strength
✅ 316 stainless steel clamp bands for secure connections
✅ Max test pressure 4.3 PSI; max operating temperature 140°F; CSA B602, ASTM D5926, ASTM C1173

💡 What is a shielded below-ground sewer pipe coupling used for in underground drainage systems with cast iron, plastic, or steel?

Handy for durable connections in buried drainage systems. - Resists heavy earth loads and shear forces with a 0.012" stainless shield - Ensures proper pipe alignment with molded-in bushing and elastomeric core - CSA B602, ASTM D5926, ASTM C1173 compliant gasket and installation ✝️