NOT RECOMMEND the use of imported ground
joint couplings and clamps for steam, critical, toxic, or combustible
fluids, nor in cyclic conditions involving temperature or pressure.
Imported ground joint couplings and clamps do not meet NAHAD material
guidelines for those applications.
RECOMMEND Campbell Viton Seal Ground Joint
Couplings and Interlocking U-bolt Clamps for use with steam and
in other critical applications.