Steam Trap & Piston Valve Qap PDF
Steam Trap & Piston Valve Qap PDF
Steam Trap & Piston Valve Qap PDF
2 Body & cap Dimensions Major Dimensional As per Approved Drawing Approved Drawing SIR - R -
Machining (TD3) WI/MFG/509
3 Base & Bonnet forgings Material Critical Chemical/ One sample ASTM A 105 ASTM A 105 Foundry P R R
(Piston Vlave) Physical per heat Certificate
4 Body & Bonnet Machining Dimensions Major Dimensional As per Drawing Drawing SIR - P -
(Piston Valve) WI/MFG/509
5 Steam Functioning of Critical Tested on 100% PTS PTS PTS - P W 10% Max. Witness by TPI
functional test trap & leak steam line
tightness at 10 kg/sq.cm
6 All other items Material, Critical Chemical/Physical One/batch Approved Drawing/ Approved Drawing Material T.C. P R R
Pipe** Spec Spec
Dimensions Major Dimensional As per Approved Drawing Approved Drawing SIR - P R
WI/MFG/509
7 T / W Set up Dimensions Major Dimensional 100% Approved Drawing ApprovedDrawing SIR P - -
8 Hydro Porosity & Leakage Visual Dimensional Approved Drawing Approved Drawing - P W 10% Max. Witness by TPI