Bevel-helical gear Reduction Box B4 opdirection of rotation Mounting of standard back B4FH-27-C

Flender/Flender Gear Units/Bevel-helical gear Reduction Box B4

x Housin /Hea IP5/Die cast Aluminum Sheathin of RTD SS 3 sheathed, compact gOp Accurac + /- 0.1% of span/0.6C Stability Zero & span drift ithin 0.1% of span for 6 month period. Accessories Extension nipples with thermowell connection/plug- in connectors. Compression fittings/unions Thermowell as per requirement. 6. Thermowells shall be of SS 3 and shall be drilled from bar st ock except for air and flue gas services. 7. Welded type thermowells with 3 mm . for welding & NPT mat erial threads shall be used for pressure above-1 kg/cm2. Socket wel type thermowell with 3 mm . for wel ding & NPT internal thread, shall be used for pressure between 4-1 kg/cm 2 and temperature up to 4C. Screwed type thermowells with NPT internal threads shall be used for pres 4 0 kg/cm2 and temperature below 4C . For pipes having probabilit of prolonged vibration, seal welding may be done all around after tightening the thermowell within the base. 8. Thermo well manufacturing drawin covering material specification, dimensional details, details of special treatment, finish etc. as well as est procedure shall be subject to Consultant/Owners approval. Material certificate sh all have to be furnished for each thermowell. 9. Wherever any approval is necessary from any recognized body/aut hority during manufacturing of high-pressure ells, the same shall have to be arranged by the Supplier. 1. The thermowell immersion depth () shall be sufficient to elimi nate conduction error. general rule, which may be followed, is to use an imme rsion length equaling minimum of 1 times the diameter of the protective ube or well. In general, immersion length of thermowells for different line siz follows: Line size Immersion Len gth () From 4 to 6 2 mm 1 of 1 INDRADHANUSH GAS GRID LIMITED TECHNICAL SPECIFICATION FOR NATURAL GAS COMPRESSOR STATION FOR NORTH EAST GAS GRID PIPELINE PROJECT TS NO.: MEC//2UU/0/2/0