Flexible Coupling
This 4″ x 2″ flexible rubber coupling is used to connect cast iron, plastic, steel or lead pipe to cast iron, plastic, steel or leadpipe. Tighten bolts to 60 inch lbs. min. / max torque. Tested to maintain 4.3 p.s.i. maximum line pressure (10 head pressure). Non constanttemperature rating is 140 F. Meetsthe requirements of ASTM C564 and stainless steel clamps tightened with 5/16 Type 300 stainless steel hex head screws. MI-FLEX Series offlexible couplings are tested and certified to ASTM Standard C1173 and CSA Standard B602 and listed with IAPMO.
Size: 4″
Ends: Socket
Part Number:MI-FLEX-420
Cross Reference Fernco Part Number:1056-42
