PVC schedule 40 pipe CLEAR in stock, available in 10’ lengths plain end pipe, 20’ lengths special order, typically used for water distribution lines, NSF certified, FDA compliant for water treatment, waste water treatment, process water and high concentrated chemical applications. PVC schedule 40 CLEAR piping is manufactured with Type 1, Grade 1 PVC (Cell Classification 12454-B) conforming to ASTM 1784. Maximum service temperature for PVC is 140°F. PVC schedule 40 pipe has the highest long-term hydrostatic strength (at 73°F) of any other major thermoplastic material used for piping.