All of ECT's PVC pipe products are fabricated from Type 1, Grade 1 PVC manufactured to applicable ASTM and NSF standards. Threading is performed to ASTM F480 specifications unless otherwise specified. The PVC flush threaded casing pipe and screen are manufactured to ASTM D1785. Available sizes range from 1/2" PVC up to 12" PVC. Sched 40 and sched 80 pipe are available.