Skærstyrke
Up to DN1500, Viking Johnson dedicated couplings can withstand a shear force corresponding to the weight (W) of a 10...
Rørledningsstøtter og spændvidder
Vinkelafbøjning
Viking Johnson couplings and flange adaptors will allow for a setting angularity (Ø) as shown in Table “Angular Deflection for...
Bevægelse og justering
Indstilling af spalte
Når Viking Johnson-koblinger anvendes til at sikre fleksibilitet i rørledninger, muliggør de bevægelse af rør eller undergrund under...
Installation og praksis på byggepladsen
Rørstøtte
Pipes laid above ground, usually with supports at specified locations, must transfer all the weight of pipe and contents, plus...
Rørledningsstøtter og spændvidder
Koblingens bevægelse under tryk
Internal pressure may cause pipe movement if there is inadequate restraint. However, it can also cause coupling movement. A Viking...
Tryk og endebelastning
Hældende rørledninger
Where Viking Johnson dedicated couplings are to be installed in pipelines laid on significant slopes, it is important to consider...
Rørledningsstøtter og spændvidder
Lokalisering af propper
Couplings installed above ground may tend to creep along the pipe with repeated pipe movement, temperature variation or vibration. This...
Rørledningsstøtter og spændvidder
Udvidelse og sammentrækning
Viking Johnson couplings and flange adaptors are also capable of absorbing significant regular expansion and contraction, which occurs in pipelines...
Bevægelse og justering
Pakninger
Gasket Technology The quality and performance of the gaskets is a crucial factor in the efficiency of any compression fit...
Tætning, temperatur og beskyttelse
Chemical Resistance Chart
The various gasket grades mentioned in this section, in addition to having different operating temperatures, are resistant to different chemicals. ...
Tætning, temperatur og beskyttelse
Korrosionsbeskyttelse
Produktbelægning – Rilsan Nylon 11 De fleste Viking Johnson-produkter leveres med Rilsan Nylon 11 for at sikre fuld beskyttelse...
Tætning, temperatur og beskyttelse