Bevel-helical gear boxes B2 J in kgm are relative to the high speed shaft HS B2-HH-17-D

Flender/Flender Gear Units/Bevel-helical gear boxes B2

mpressed air flow at the requisite ressure. The vessel shall be constructed of IS 2 Gr. shell and IS 2 Gr. II dished ends. The compressed air shall flow to nitrogen generation vessels th rough grid of pneumatically actuated valves. The valves shall be provided with single vane type pneumatic ac tuators. Other type of pneumatic actuators are also acceptable. Automatic pneu matic valves shall operate through PLC.Open and Close positions of the valve is to be reflected in PLC. The actuators shall be capable of opening or closing the valves at minimum pressure of 5 barg. Nitrogen system shall comprise of 2 columns that are filled wit molecular sieves and activated alumina beds. Activated alumina shall be rovided to remove moisture and carbon molecular sieves shall be provided remove Oxygen from air to produce high purity and dry nitrogen. At ime, one stream shall remain in production while other stream remains un der regeneration. The status of streams, whether under operation or regeneration, shall be reflected in PLC. Nitrogen surge vessel of suitable capacity shall be provided fo smooth functioning of the system. 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 Nitrogen facilit ies Chapter-0.1 2, MECON Limited, All Right Reserved Page 4 of 5 nitrogen storage tank of suitable capacity shall be provided th st of nitrogen generators and shall have suitable instruments for measuring th flow, pressure, temperature and oxygen content for proper operation and monitoring. Suitable oxygen measurement system (through analyser) shall be provided to ensure that purity of nitrogen is at least 9.9%. Instrumentation and