H3SH-27-C arpex Helical gear Reduction Box H3

Flender/Flender Gear Units/Helical gear Reduction Box H3

carried out. 3.2 The extent of inspection by shall be as under. However the exact extent with hold 9 of 1 points shall be decided during review of the inspection plan to be submitted to Company as part of the post-order documentation. 3.3 Valves under NACE should follow the requirements of MR-0-7 FORGED VALVES - Visual and dimensional inspection - Review of material test certificates - Any mandatory or supplementary test - Hydrostatic test of all valves - Strip check on 1% of total ordered quantity of valves at random to verify compliance with specification requirements. CAST STEEL VALVES - Visual and dimensional inspection - Review of material test certificates - Review of radiographs / radiographic reports and reports of any other NDT tests, wherever applicable as per data sheets - Any mandatory or supplementary tests - Hydrostatic test 1% for body - Strip check on 1% of total ordered quantity of valves at random to verify compliance with specification requirements. 3.4 For motor /actuator operated valves, functional / operational checks as per the requirements of the specifications shall be made on each valve. 4.0 RADIOGRAPHY OF CAST VALVES 4.1 When specifically not mentioned in individual data sheets, valves castings shall undergo radiographic examination as specified hereunder: MATERIAL RATING SIZE RANGE RADIOGRAPHY All 1# 2 and below Nil 1# 2 and above 1% 3# 1 and below Nil 3# 1 and above 1% 6# and above All sizes 1% 4.2 Radiography procedure areas of casting to be radiographed shall be as per ANSI 1.3 and acceptance criteria shall be as per ANSI 1.3 Annexure . However for areas of casting to be radiographed for types of valve not covered in ANSI 1.3, Contractor shall enclose details of areas to be radiographed in line with ANSI 1.3. 5.0 IBR VALVES 5.1 All valves described as IBR Valves sh all be in accordance with the latest IBR (Indian Boiler Regulations) as well as th other