Cryo-Compact Circulators
23
Return flow safety device
For this reason, shut-off valves can be integrated in the loop circuit.
Order No. Description
8 970 456 Shut-off valve (suitable up to +90 °C)
8 970 457 Shut-off valve (suitable up to +200 °C)
Temperature application to external, closed systems
• Unscrew the M16x1 collar nuts on the pump
connectors with a 19 mm (3/4“) wrench and
remove the sealing disks. Using the collar nuts,
screw on the tubing connection fittings (for
tubing 8 mm or 12 mm in diameter) delivered
with the unit and tighten firmly. (Pressure
pump: 14, suction pump: 15)
• Push on the tubings, and secure with tube
clamps.
• Attach the tubing to the connectors of the
external closed system,
a pressure-resistant temperature jacket or a
temperature coil, and fasten with tube clamps
to prevent slipping.
Temperature application to external, open systems
S = Suction pump connection
D = Pressure pump connection
K = Float
The Cryo-Compact Circulator is equipped with both a pressure and
suction pump for external temperature application in open systems.
Differing flow rates of the pressure and suction pumps should be
compensated. To maintain a constant liquid level, the JULABO
„D+S“ Level Adapter is recommended for the external bath tank. The
flow rate of the pressure pump will be then regulated by a built-in
float device. The liquid level may be changed by a height adjustment
on the „D+S“ Level Adapter.
Accessory: „D+S“ Level Adapter Order No. 8 970 410
Important:
The liquid level should be equal in the internal and external baths
(absolute height).
If you take out samples (for example Erlenmeyer flasks) from the
external bath, turn the Cryo-Compact Circulator off with the
Start/Stop key.
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