27
BÜCHI
Vac
V-511/512/513
9 Appendix
9.2
Materials used
Description
Materials
Material code
Pump heads
Glass
3.3 borosilicate
Condenser
Glass
3.3 borosilicate
Collecting tank
Glass
3.3 borosilicate
Woulff-bottle
Glass
3.3 borosilicate
System housing
PUR
Pump housing
Aluminum
Al
Pump cover
PBT
Diaphragms
PTFE/Rubber
Valve plates
PEEK
Valve head
PEEK
Housing
Grillamid
PA
Pressure sensor
Ceramic
Foil
Polyester
PES
Printed board
Fiberglass reinforced epoxy resin
Cable
Polyvinyl chloride
PVC
Vacuum hoses
PTFE/Rubber
Cooling water hose
Silicon
Sl
Exhaust hose
Silicon
Sl
Gasket rings, valves
ETFE
Diaphragms, valve unit
Perfluorelastomer
Gasket additional condenser/valve unit
PTFE/Viton
Table 9: Materials