Product Specifications
Cast Iron Soil Pipe Institute (CISPI) Standard Specifications
CISPI 301-21
Hubless Cast Iron Soil Pipe and Fittings for Sanitary and Storm Drain, Waste and Vent Piping Applications.
CISPI 310-20
Couplings for use in connection with Hubless Cast Iron Soil Pipe and Fittings for Sanitary and Storm Drain, Waste, and Vent Piping Applications.
American Society for Testing and Materials (ASTM) Standard Specifications
ASTM C 564-20a
Standard Specifications for Rubber Gaskets for Cast Iron Soil Pipe and Fittings.
For More Information
The CISPI Cast Iron Soil Pipe & Fitting Handbook offers detailed information on the manufacture and use of cast iron.
Download the HandbookFor More Information
The CISPI Cast Iron Soil Pipe & Fitting Handbook offers detailed information on the manufacture and use of cast iron.
Download the Handbook