Smart Joint Large Diameter EF couplers up to 2250mm 

Smart Joint produce EF coupler size up to 2250mm& 63" in both metric and inch sizes, and sell to different countries by containers.
The coupler body is from extruded hollow bars, not by inejction moulding, no risk for flow paths and voids problem, especially when goes up to large size, injection with lateral finger gate is not safe for large parts.
The large size EF couplers featurs with two seperate fusion zones, each zones with two steps process.
Smart Joint produce EF machines and installation tools kits as well.
With accumulated installations on sites, we got acknowledgement from customers, you trust on Smart Joint welding parameter design and rich experience in installation.