产品概述 Product Overview

Some operations inside a vacuum system can cause harm or damage to a viewport.

For example, Evaporation of metals in the UHV system can cause the viewport surface to become quickly coated, resulting in a mirror reflective surface. then it is need to remove the viewport and clean it before re-using. To overcome the problems, we offer a range of viewport shutters.

Both Swing Type and Venetian Blind Type Shutters are offered, while Venetian Blind Type mostly on large viewports, which have the advantage of being low profile when 'open'.

规格说明 Specification

● UHV Rated to 10^-11 mbar

● CF Reducing flange

● Bakeable to 150℃

Flange OD		Shutter Type	Fitting Min. ID	A		B		Weight（Kg)	Part Number
mm	inch		mm	mm	inch	mm	inch
70	2.75	Swing Type	38	26	1.02	134	5.24	0.8	VPS35ST
114	4.5		59	45	1.77	156	6.14	1.4	VPS63ST
152	6		100	67	2.64	195	7.68	2.0	VPS100ST
152	6	Venetian Blind Type	97	67	2.64	195	7.68	2.2	VPS100VB

孔位图 Dimension Drawing

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