What is the crust strength of DWV cast iron soil pipe?

The crust strength of DWV (Drainage, Waste, and Vent) cast iron soil pipe, typically recognized within industry standards, is 18 kN (4000 lb). This value represents the minimum load that the pipe can withstand without failure, which is critical for ensuring that the pipe maintains its integrity under various service conditions such as soil load and pressure from other fixtures.

Understanding this value is important in plumbing design and installation, as it guides engineers and plumbers in selecting appropriate materials for different applications. Knowledge of the crust strength helps to prevent structural failures, ensuring the longevity and reliability of plumbing systems. The standardized strength indications provide a benchmark for comparing various pipe materials and ensuring they are suitable for certain load-bearing applications in infrastructure.