PRESSURE
TESTING STEEL GATE, GLOBE, CHECK AND
BALL VALVES
Hydrostatic
and/or air)-having flanged, screwed, socket weld ends, butt weld
ends and valves with extended pipe end pups. Providing Hydrostatic
to 750BAR.
Adanac
procedure HPT/01/93 covers valves having- temperature rating designated
by
ANSI
Class and by PN. Typically NPS 1/2"-2", class ratings y requirements
including those of
BS
6755 Part 1 & API 598
ANSI
B16.34- pressure testing requirements
Extended
duration pressure testing both hydrostatic and high pressure gas
(nitrogen and /or helium).


|