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