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API598 Inspection and Testing
Inspection Range: This standard covers the inspection, test, complementary inspection and pressure test of Gate, Globe, Check, Ball, Butterfly and Plug valves.
Testing Types:
A shell test
B backseat test
C low pressure seal test
D high pressure seal test
E appearance inspection of casting
F high pressure gas shell test.
Specification Standard:
ASME
B L20.1 general pipe thread
B 16.11 forged pipes of socket welding and threaded connection
B 16.34 valves of flange,threaded and welded connection
SP--55 quality standard of casting steel valves,flange,pipe and other pipe fittings
SP--91 operating rules of manual valves
API
Std 594 wafer, lug and double flange check valve
Std 599 steel and ductile iron plug valve
Std 600 steel gate valve of bolt connection, flange and butt welding
Std 602 steel gate valve of flange, threaded and welding and extended body.
Std 603 150 LB corrosion flange connection gate (casting)
Std 608 flange, threaded and welding connection of metal ball valves
For more API598 details, kindly stay with our Sedelon.