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removing all but the frictional load during starting relieving intercoolers of high temperature buildups providing high starting torque in the drive motor seating valve plates during compressor shutdown
starting air bottles diesel engines boilers refrigeration compressors
Diffusers Compressors Steam boilers Soot blowers
in boiler drums in refrigerating plants in starting air pipes in air coolers
overhaul running blowing down All of the above are correct
the lubrication the cooling the moisture separation the valves
Differential Trunk Barrel Valve-in-head
the running-in period the running process gas exchange process the boiler firing
being run run to run running
High pressure compressors are more efficient than low pressure compressors Mechanical efficiency divided by compressor efficiency will equal the overallefficiency of the compressor unit Two stage compressors are generally more efficient than single stage compressors The volumetric efficiency is decreased in multistage compressors
rotary compressors reciprocating compressors centrifugal compressors screw compressors
overcooling poor cooling overloading unloading
filled with clean water before operation keep air cushion in oil collecting space during running check oil level during running clean inner separator with low pressure stream
While, catching When, catching As, to catch During, to catch
dust entering the high pressure stage lube oil carbonization discharge pulsations inter-stage vapor lock
crack knocking leaking seizure
the discharge temperature low the discharge temperature high the discharge pressure rise the inter-stage pressure low
horizontally mounted never fitted with intake filters fitted with intercoolers operated in an unloaded condition at all times
compressors forced fans ventilators generators
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