Technical data

The accessory components are connected to the ALPHA 1-4 LSC
/ ALPHA 2-4 LSC freeze dryer according to the connection
diagram. Please observe the following:
Centering rings and clamping rings with wing nuts are used as
connecting elements (small flange connections in accordance with
ISO 28403 and DIN 2861, see also the following instructions).
Information concerning the connection with centering rings
and clamping rings
Small flange connections between aggregates or hose
connections that are not mounted properly are often the reason for
serious vacuum problems.
Please loosen the connection and replace the centering ring (with
sealing ring inside) centrically between the flange connections.
Seal the connection with the clamping ring by fastening the wing
nut.
Please take care that the centering ring does not slip out of place
and that is does not get tilted.
Small flange and centering ring Small flange with centering ring
and small flange
Fastening of the clamping ring Mounting of the clamping ring
30 • Installation and Commissioning of the Unit Operating Manual Freeze Dryer ALPHA 1-4 LSC / ALPHA 2-4 LSC