Radleys Reactor-Ready Lab Reactor - Replacement Pistons and O-Rings

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• Drainage of vessel contents containing solids (crystals, heterogeneous catalysts, etc.) from the
stopcock – can cause small particles to be trapped between the stopcock and glass, causing etching
of the glass, piston and O-ring.
• Continued use under normal conditions – will cause wear and tear on the O-ring.
Important information
→ O-rings and pistons should be routinely checked and replaced to maintain the performance of the
system. Periodic replacement of the whole piston assembly may also be required.
→ The FEP O-rings may not suit all applications, therefore alternative O-ring seals are available.
Please email sales@radleys.co.uk for technical advice.
When operating at extreme low temperatures (below -50°C) it is recommended that:
• Piston O-ring seals are replaced between every run.
• Vacuum jacketed reaction vessels are used to minimise thermal strain on the piston and O-rings. The
pistons on these reaction vessels also feature double O-rings for improved sealing performance.
• A secondary stopcock, attached to the B19 outlet, is used to catch any fluid that may weep through
the stopcock (RR139098).
Replacement pistons and O-rings
Replacement pistons and O-rings for reaction vessels
V4 15mm piston for single jacketed reaction vessel
RR161100
V4 25mm piston for single jacketed reaction vessel
RR166070
V4 15mm piston for vacuum jacketed reaction vessel
RR166055
V4 25mm piston for vacuum jacketed reaction vessel
RR166075
V4 Replacement 15mm piston top O-ring
RR166100
V4 Replacement 25mm piston top O-ring
RR166104
V4 Replacement 15mm piston middle O-ring
RR166102
V4 Replacement 25mm piston middle O-ring
RR166106
Replacement pistons and O-rings for filter vessels
15mm piston for filter vessel
RR171062
Filter plate O-ring – silicone (-30°C to +180°C) DN150
RR171048
Replacement 15mm piston top O-ring
RR166100
Filter plate O-ring – Viton (-20°C to +180°C) DN150
RR171050
Replacement 15mm piston middle O-ring
RR166102
Filter plate Gasket – PTFE DN150
RR171040
23mm Viton O-rings for quick-release hose coupling
RR121071/1
Filter plate Gasket – PEEK DN150
RR171042
34mm Viton O-rings for quick-release hose coupling – NW20
RR210050/1