The Model C305 Rigid Coupling is ideal for joining copper tubing (CTS) in sizes 2” - 6”. The C305 provides a fast, easy, economical and durable method of joining copper tubing without the use of heat or lead. The C305 features an angle pad design for a rigid joint and easy swing-over installation. The C305 features a pressure responsive EPDM GapSeal gasket which seals both the outside of the tubing and the gap between the tubing ends isolating the fluid from coupling housings. The C305 is rated up to 300 psi (20 bar), depending on the type and size of copper tubing used.

Applicable copper tubing:

• 1)ASTM B-88 Type K, Type L, and Type M Seamless copper water tube.
• 2)ASTM B306 Copper Drainage Tuber (DWV).
• 3)BS EN 1057 copper tubing.
• 4)AS1432 Type A, Type B and Type D Copper tubing.