Corrugated Perforated Drainage Polyethylene Plastic Pipe With High Density

Corrugated Perforated Drainage Polyethylene Plastic Pipe With High Density Specification: specification and dimension of high density polyethylene double-wall bellows GB/T19472.1-2004 items dn/ID 225 300 400 500 600 800 mean inside diameter 225 300 400 500 600 800 nominal outside diameter 260 348 480 605 725 970 depth of bellmouth 152 190 255 240 250 260 inside diameter of bellmouth 264 351 473 575 691 963 Application scope 1. Municipal engineering 2. Chemaical engineering 3.