International code compliance (HPGSL, PED, GOST, etc.)
Cryogenic performance testing
Spare cartridge with nozzle assembly
Description
“Zero Leakage” Inlet Guide Vanes
Adjustable inlet guide vanes provide optimum flow patterns as well as precise and continuous control across the machine’s full operational spectrum
Self-energizing back plate maintains zero sidewall clearance for maximum expander efficiency
Zero backlash variable guide vane configuration provides smooth turn-up capability to 125% of design flow
Rugged Rotor Design
Stiff rotor shaft and high capacity tilt pad bearings assure maximum stability at all operating loads and speeds
High capacity tilt pad thrust bearings provide the extra margin necessary to handle transients
Numerous bearing designs available to accommodate specific process applications, including hydrodynamic (journal and tilt pad) bearings, ball bearings, ceramic bearings, and air/foil bearings
Sealing design offers robust construction and reliable performance
Dual Independent Labyrinth Shaft Seal
Reliable teeth-on-shaft design is precision machined to ultra close clearances, minimizing seal gas consumption
Dual port, atmospheric center vent prevents process stream contamination
Self-Aligning Wheel Attachment
Tapered bore and stretch rod design automatically compensates for thermal and mechanical changes to maintain alignment under all operating conditions
Precision machined tapered bore/shaft attachment allows independent balancing of turbine wheel and shaft to facilitate field repair
Main features
Common lube oil system and controls support two expanders/compressors
“Zero leakage” inlet guide vanes
Components individually balanced for ease of field replacement
Tapered shaft wheel attachment for field interchangeability
Labyrinth shaft seal design minimizes seal gas consumption and prevents process stream contamination
Shaft-driven boost compressor reduces power consumption, increasing plant efficiency