PVC Schedule 40 Clear Fittings are produced in accordance with ASTM D1784, ASTM D2466 (Soc Fittings), ASTM D2466 are available with either socket or threaded connections. Schedule 40 fittings are available from ½ ” up to 12” inch IPS imperial pipe schedule 40 fittings come in many various types: 90 deg elbow, 45 deg elbow, 22.5 deg elbow, cross, wye, reducing wye, female adaptor, female banded adaptor, male adaptor, coupling, tee, cap, nipple, union, flanges, blind flange, Vanstone flange, solid flange, viton gasket, epdm gasket, bulkhead, street elbow, reducing bushing, saddle, no leak flange