GEA Bock HGX56e/1155-4 - Pipe connections; Laying suction and pressure lines

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6.4 Pipes
 Pipesandsystemcomponentsmustbecleananddryinsideandfreeofscale,swarfandlayersof
rustandphosphate.Onlyuseair-tightparts.
 Lay pipes correctly.Suitable vibration compensators must beprovided to prevent pipesbeing
crackedandbrokenbyseverevibrations.
 Ensureaproperoilreturn.
 Keeppressurelossestoanabsoluteminimum.
The pipe connectionshavegraduatedinsidediameterssothatpipeswith
standartmillimetreandinchdimensionscanbeused.
Theconnectiondiametersoftheshut-offvalvesareratedformaximum
compressoroutput.Theactualrequiredpipecrosssectionmustbe
matchedtotheoutput.Thesameappliesfornon-returnvalves.
Fig.5:graduated
internaldiameter
6.3 Pipeconnections
ATTENTION Damagepossible.
Superheatingcandamagethevalve.
Removethepipesupportsfromthevalveforsoldering.
Onlysolderusinginertgastoinhibitoxidationproducts(scale).
6 | Compressor assembly
6.5 Layingsuctionandpressurelines
ATTENTION Improperlyinstalledpipescancausecracksandtears,theresult
beingalossofrefrigerant.
INFO Proper layout of the suction and discharge lines directly after
the compressor is integral to the system’s smooth running and
vibrationbehaviour.