Complete unit (building kit) consisting of several parts for assembly in various ways (left- or right-hand corner arrangements or in a straight line side by side), with flange materials, consisting of:

N2 / vacuum interchangeable rack:
With 4 two-way stopcocks (hollow) joint 21.5 / 6 mm, with glass hose connections 12 mm. Connection to double cooling trap KF 25 mm. Connection to N2 with link KF 16 mm to hose connection 12 mm. Both connections are interchangeable on the right or left, with dummy cap always placed opposite.

Alternative N2 / vacuum interchangeable rack:
With 4 two-way valves (vacuum 0 to 12 mm, N2 0 to 6 mm), working connections: 2 x hose 13 mm, 1 x conical joint 14.5, 1 x conical joint 29 (removable with small flanges; other set-ups possible on request). Connection to double cooling trap KF 25 mm. Connection to N2 with link KF 16 mm to hose connection 12 mm.

Vacuum double cooling trap:
Directly connected, side connections KF 25 mm, lower parts approx. 500 ml capacity with KF 50 mm. Length of lower parts approx. 230 mm. Assembly height above work top: 32 cm (from bottom of cooling traps).

Connecting piece for straight set-ups:
Between interchangeable racks and the double cooling trap 2 x KF 25 mm, with KF 16 mm for Pirani sensor and blind cap.

Connecting piece for corner set-ups:
Between interchangeable racks and the double trap 2 x KF 25 mm, with KF 16 mm for Pirani sensor and blind cap.

Vacuum shut-off valve 0 to 15 mm:
Removable with KF 25 for connecting on the suctions side to the double cooling trap, with additional valve 0 to 6 mm and hose connection olive 10 mm for vacuum or venting, connection to vacuum line KF 25 mm (e. g. for metal hose), removable link KF 25 mm to hose connection 16 mm (clear width 9 mm).