4 in. PVC Coupling (SDR35) - NORMANDY PRODUCTS

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Professional-grade 4-inch PVC coupling designed for joining two sections of SDR35 drainage pipe in straight-line connections. Manufactured by Normandy Products to SDR35 specifications for residential, commercial, and municipal sewer, drain, and storm water applications requiring reliable, watertight pipe joints.

Internal Stop Design: Center ridge inside coupling provides positive alignment and prevents pipe over-insertion

Dual Hub Construction: Socket-style connections on both ends accept 4-inch SDR35 pipe for secure solvent-weld joints

Straight-Line Connection: Maintains pipe alignment without directional changes or offsets

Standard Length: Provides adequate overlap on both pipe ends for maximum joint strength

SDR35 Standard: Built to industry specifications for non-pressure gravity drainage systems with proper wall thickness

Corrosion Resistant: Durable PVC construction withstands wastewater chemicals, soil acids, and harsh underground environments

Joining cut pipe sections in new drainage installations

Extending existing drain lines and sewer laterals

Repairing broken or damaged pipe sections

Connecting pipe runs in foundation drainage systems

Storm drainage pipe extensions

Building drain and sewer line installations

Commercial and residential DWV system construction

Municipal sewer lateral connections

Underground drainage system assembly

Schedule SDR35

Meets ASTM D2729 and ASTM F679 for PVC DWV fittings