Flender/Flender Gear Units/Bevel-helical gear box B2
ll be as per piping material specifications / job standards. 1 of 1 STANDARD TECHNICAL SPECIFICATION MECON LIMITED REGD. OFF:

RANCHI 8 OIL & GAS SBU, DELHI DOCUMENT NO. Page 1 of 6 TITLE MEC//0/2/0 REVISION : 0 PIPING FABRICATION

AND ERECTION EDITION : 1 5.8 Valves Valves shall be installed with spindle / actuator orientation / position as shown

in the layout drawings. In case of any difficulty in doing this or if the spi ndle orientation / position

is not shown in the drawings, the Engineer-in-Charge shall be consulte and work done as per his instructions. Care shall be exercised to ensure that globe valv es, check valves, and other uni- directional valves are installed with the "Flow direction arrow "on the valve body pointing in the correct direction. If the direction of the arrow is not marked on such valves, this shall be done in the presence of Engineer-in-Charge before installation. Fabrication of stem extensions, locking arrangements and interlocking arrangements of valves (if called for), shall be carried out as per drawings / instruc tions of Engineer-in-Charge. 5.9 Instruments Installation of in-line instruments such as restriction orifice , control valves, safety valves, relief valves, rotameters, orifice flange assembly, venturimeters, flo wmeters etc. shall form part of piping erection work. Fabrication and erection of piping upto first block valve / noz / offline Instruments for measurement of level, pressure, temperature, flow etc. shall also form part of piping construction work. The limits of piping and instrumentation work will be shown in drawings / standards / specifications. Orientations / locati ons of take-offs for temperature, pressure, flow, level connections etc. shown in drawings shall be maintained. Flushing and testing of piping systems which include instrument mentioned above and the precautions to be taken are covered in flushing, testing and in spection of piping. Care s