part testing summary (api 6a)
DESCRIPTION
SummaryTRANSCRIPT
ParameterSubclause Reference
PSL 1 PSL 2 PSL 3 PSL 3GTraceability Not Required Not Required Required RequiredSerialization Not Required Required Required Required
Drift testFull bore Valve Tested after valve been assy;operated & pressure testX-mas Tree Pass through main bore of Xmas tree
Hydrostatic test
Xmas Tree
seat
Bidirectional Valve
Unidirectional Valve
Gas test
body
seatBidirectional Valve
Unidirectional Valveback seat
NOTES:- 1 Equipment with end or outlet connection have diff W.P use low W.P except fr X-over connector & Chokes2 Split gate valve may have both seats tested simultaneously
body1
Single Equipment Unit
Primary pressure Holding (3 min) (1.5*W.P) Reduction pressure to Zero Secondary pressure holding (3 min) (1.5*W.P)
Primary pressure Holding (3 min) (1.5*W.P) Reduction pressure to Zero Secondary pressure holding (15 min) (1.5*W.P)
Pressure applied to each side of gate/plug & other side open to atmosphere Holding Period (3 min) Reduction pressure to zero between holding period Test min 2 times each side of gate/plug
Pressure applied to each side of gate/plug & other side open to atmosphere Holding Period (3 min) Open valve under full differential pressure except fr check valve (Repeat 2 times) Holding Period (3 min
Pressure applied to each side of gate/plug & other side open to atmosphere Holding Period (3 min) Open valve under full differential pressure except fr check valve Holding Period (15 min) Open valve under full differential pressure Holding Period (15 min)
Pressure applied to direction indicated on the body except check valve test on down stream Holding Period (3 min) Reduction pressure to zero between holding period Test min 2 times each side of gate/plug
Pressure applied to direction indicated on the body except check valve test on down stream Holding Period (3 min) Reduction pressure to zero between holding period Test min 2 times each side of gate/plug
Pressure applied to direction indicated on the body except check valve test on down stream Holding Period (3 min) Holding Period (15 min) Holding Period (15 min)
Test perform at ambient temp using nitrogen as test medium. Equipment completely submerged in the water Holding period (15 min) (W.P)
Pressure applied to each side of gate/plug & other side open to atmosphere Holding Period (15 min) (W.P) Holding period (15 min) (300 psi)2