Krah pipe refers to a high-density polyethylene (HDPE) wound structural wall pipe formed using a hot-wound process. The pipe is made primarily from HDPE resin and utilizes a hot-winding process with a polypropylene (PP) single-wall corrugated pipe as the supporting structure, resulting in a pipe with high external pressure resistance. Krah pipe products are available in four series: PR, OP, SQ, and VW.
