Question: what is sdr 26 pipe?
Answer: PVC SDR Pressure Pipe and Fitting System, SDR 21 and SDR 26 Scope: This specification covers (PVC) pipe made in standard thermoplastic pipe dimension ratios (SDR Series) and pressure rated for water. PVC PR-160, PR-200 and PR-315 are for pressure systems where temperatures will not exceed 140° F.