Hayward's Series TB True Union two-way ball valves in sizes of 1/4 to 2 inch are full port design and carry the industries highest pressure rating. Valves are available in PVC and CPVC material. PTFE reversible seats provide drop tight shut-off to 250 psi at 70 deg F. Elastomeric stem and body seals of EPDM or FPM provide wide chemical compatibility. Valves in sizes through 2 inch include socket and threaded end connectors. Valves also available with ASME Class 150 bolt pattern flanged end connections.