Up to DN1500, Viking Johnson dedicated couplings can withstand a shear force corresponding to the weight (W) of a 10...

Viking Johnson couplings and flange adaptors will allow for a setting angularity (Ø) as shown in Table “Angular Deflection for...

When Viking Johnson couplings are used to provide flexibility in pipelines they allow for pipe or ground movement during the...

Pipes laid above ground, usually with supports at specified locations, must transfer all the weight of pipe and contents, plus...

Internal pressure may cause pipe movement if there is inadequate restraint.  However, it can also cause coupling movement.  A Viking...

Where Viking Johnson dedicated couplings are to be installed in pipelines laid on significant slopes, it is important to consider...

Couplings installed above ground may tend to creep along the pipe with repeated pipe movement, temperature variation or vibration.  This...

Viking Johnson couplings and flange adaptors are also capable of absorbing significant regular expansion and contraction, which occurs in pipelines...

Gasket Technology The quality and performance of the gaskets is a crucial factor in the efficiency of any compression fit...

The various gasket grades mentioned in this section, in addition to having different operating temperatures, are resistant to different chemicals. ...

Product Coating – Rilsan Nylon 11 Most Viking Johnson products are supplied with Rilsan Nylon 11 to ensure full protection...