Full description as follow:
Extended length work tube: Ø50 ID Ø60 OD x 1250 mm RCA
Radiation shields
Work tube end seal with NW16 vacuum flange + 10 mm thermocouple gland
Work tube end seal with NW25 vacuum flange (compatible with low vacuum pump package)
End seal plate with NW40 vacuum flange for 60 mm OD work tube
or ISO-K 63 vacuum flange for OD > 60 mm + work tube (compatible with high vacuum pump package)
10 mm thermocouple gland to suit optional ceramic sheathed probe thermocouple assembly
Guards and horizontal tube supports for extended length work tubes