Fluidyn engineers is the only manufacturer in the country manufacturing bellows for variegated need of the industry exclusive specialties include welded diaphragm bellows, elliptical, round and square bellows, and mechanical seals. Pressure rating range from ultra high vacuum to high pressure 80 bar [internal] 225 bars [external]. Sizes from 6 mm to 3000 mm, has approval from every sophisticated user like department of atomic energy, defence establishments, research organizations, ntpc, npcil, railways, engineering project consultants, technical development committee and inspection agencies. In house facilities include computerised design as per ejma, helium leak testing, cyclic life testing, spring rate testing and hydro testing. Also, the company`s speciality includes welding, of thin walled ss and non-ferrous metals, fabrication of vessels and components in exotic metals, and cryo vessels for critical applications.