SARTORIUS 50 mm Glass Holder with Protective PTFE Ring (Model 16316)


SARTORIUS 50 mm Glass Holder with Protective PTFE Ring (Model 16316)

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403.00
Price plus VAT, plus delivery


Features: • This filter holder is available in two versions differing from each other only in the type of the filter support. The filter with glass frit ensures uniform distribution of retained particles and is therefore recommended, when the residue on the filter surface is of interest. • The device with PTFE-coated screen support, on the other hand, is due to its ease of clean more preferable, when the filtrate is required or when liquids difficult to remove from glass frits have to be examined. • The PTFE ring which holds the glass frit and the screen support allows autoclaving the devices with a filter in position, and protects the edge of the glass frit from breakage and potential leakage. • It has a rim around the upper edge to simplify the positioning of the membrane filter when inserted and a silicone O-ring in the underside for leak-proof seal on the filtrate side. Specifications: • Outlet spouts 15 mm outside diameter • Parts and materials Borosilicate glass funnel and base. • Anodised aluminium clamp. Silicone caoutchouc lid. • PTFE/stainless steel filter support, coated with Teflon (type 16316). • Silicone O-ring 45 + 3 mm • Chemical compatibility As for glass, PTFE and silicone (see page 110). • If required, the silicone O-ring can be replaced by a Viton O-ring (order no. 00124). • Flow rate For water at 90% vacuum: 200 ml/min with 0.2 μm; 600 ml/min with 0.45 μm; 2.2 l/min with 0.8 μm membrane filter. • Funnel capacity 250 ml • Filtration area 12.5 cm2 • Max. operating pressure Only for vacuum • Suitable membrane filter diameter 50 mm (or 47 mm) • Sterilization By autoclaving (121°C or 134°C) or by dry heat (max. 180°C). Delivery Contents: 1x Lid (16307 and 16316 only) 1x Glass funnel 1x Clamp 1x Filter support with PTFE-coated support screen and PTFE underdrain screen 1 Silicone O-ring 1x Glass base

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