3" Cast Iron Soil Service Weight P-Trap

Charlotte Pipe 1605 – 3" Cast Iron Service Weight P-Trap, Hub x Spigot

The Charlotte Pipe 1605 is a 3-inch service weight cast iron P-trap designed for drainage, waste, and vent (DWV) systems. Manufactured in compliance with ASTM A74, this component is built for use in gravity flow sanitary systems where corrosion resistance, fire safety, and sound attenuation are essential. The trap is commonly specified in commercial, industrial, and multi-story residential applications.

Key Product Features

• Material: Cast iron produced with post-consumer recycled content
• End Configuration: Hub x Spigot for integration with lead/oakum or no-hub couplings
• Function: Maintains a trap seal to block sewer gases from entering occupied space
• Application: Suitable for above- and below-grade installation in non-pressure DWV systems
• Sound Performance: Naturally provides noise control for drainage flow

Technical Specifications

• Nominal Size: 3 inches
• Connection Type: Hub x Spigot
• Standard Compliance: ASTM A74, CISPI standards
• Operating Temperature Range: 32°F to 212°F
• Product Type: Cast Iron P-Trap, Service Weight

Installation Requirements

The 1605 P-trap must be installed in accordance with local plumbing codes. It may be connected using lead and oakum joints or mechanical couplings approved for cast iron DWV pipe. Due to the weight and rigidity of cast iron fittings, proper support and alignment are critical. Installation should be performed by qualified personnel familiar with cast iron assembly and handling procedures.

Common Use Cases

• Commercial and institutional drainage systems
• Vertical stack and branch line trap assemblies
• Remodeling or repair of systems using cast iron infrastructure

Product Compliance and Durability

Charlotte Pipe cast iron fittings are known for their strength, longevity, and fire-resistance. The service weight construction of the 1605 P-trap ensures durability in concealed or exposed piping configurations, delivering long-term performance in critical drainage applications.