The Figure 770 Rigid Coupling provides a rigid joint by firmly gripping along the circumference of the pipe grooves. This coupling offers a dependable method for joining pipe and is an economical alternative to welding, threading, or using flanges. It is capable of pressures up to 1000 psi (68.9 bar) depending on pipe size and wall thickness. Additional Features: Full 360° gripping of the groove circumference provides a strong rigid connection. Tongue-and-groove design simplifies installation.