System of Measurement System of Measurement |
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Material Material |
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Type Type | Show |
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Type Type | Hide |
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Connection Style Connection Style |
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Flanged |
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Quick Clamp |
Window Material Window Material |
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Maximum Temperature Maximum Temperature |
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Shape Shape |
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Connection Type Connection Type |
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![]() | Tube |
Maximum Vacuum Maximum Vacuum |
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Vacuum Rating Vacuum Rating |
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For Use With For Use With |
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Minimum Temperature Minimum Temperature |
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Maximum Pressure Maximum Pressure |
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Bolts Included Bolts Included |
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Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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Add a window to your high-vacuum system. With a pane of borosilicate glass sealed inside a high-vacuum CF flange, these sights bolt onto vacuum chambers, tee fittings, and manifolds. Use a copper gasket (sold separately) to create a seal. Not for use with pressure. To illuminate dark interiors, attach an optional light to the flange with set screws.
Window | Bolt Holes | |||||||||||
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Trade Number | Flange OD | For Tube OD | High Vacuum Connection Type | Max. Vacuum | Dia. | Material | Bolt Circle Dia. | No. of | Dia. | Max. Temp., °F | Each | |
304 Stainless Steel | ||||||||||||
16 | 1 21/64" | 3/4" | CF | 1 × 10 -11 torr @ 72° F | 5/8" | Glass | 1 1/16" | 6 | 11/64" | 750° | 0000000 | 0000000 |
40 | 2 3/4" | 1 1/2" | CF | 1 × 10 -11 torr @ 72° F | 1 3/8" | Glass | 2 5/16" | 6 | 17/64" | 750° | 0000000 | 000000 |
63 | 4 1/2" | 2 1/2" | CF | 1 × 10 -11 torr @ 72° F | 2 5/8" | Glass | 3 5/8" | 8 | 21/64" | 750° | 0000000 | 000000 |
100 | 6" | 4" | CF | 1 × 10 -11 torr @ 72° F | 3 7/8" | Glass | 5 1/8" | 16 | 21/64" | 750° | 0000000 | 000000 |
Designed with quick-clamp (KF) connections, these sights connect to a port on a high-vacuum chamber, so you can monitor what's happening inside. A sleeve seals the glass window to the body of the sight to prevent leaks. To connect to your chamber, you'll need a clamp and a ring (sold separately). Not for use in pressure applications.
Window | |||||||||
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Trade Number | For Flange OD | For Tube OD | High Vacuum Connection Type | Max. Vacuum | Dia. | Material | Max. Temp., °F | Each | |
304 Stainless Steel | |||||||||
16 | 1.18" | 3/4" | ISO-KF | 1 × 10 -9 torr @ 72° F | 5/8" | Glass | 390° | 0000000 | 0000000 |
25 | 1.57" | 1" | ISO-KF | 1 × 10 -9 torr @ 72° F | 7/8" | Glass | 390° | 0000000 | 000000 |
40 | 2.16" | 1 1/2" | ISO-KF | 1 × 10 -9 torr @ 72° F | 7/8" | Glass | 390° | 0000000 | 000000 |
50 | 2.95" | 2" | ISO-KF | 1 × 10 -9 torr @ 72° F | 1 3/8" | Glass | 390° | 0000000 | 000000 |
Trade Number | For Flange OD | For Tube OD | Material | Max. Vacuum | High Vacuum Connection Type | Each | |
10, 16 | 1.18" | 1/2", 3/4" | Aluminum | 1 × 10^-7 torr @ 72° F | ISO-KF | 00000000 | 00000 |
25 | 1.57" | 1" | Aluminum | 1 × 10^-7 torr @ 72° F | ISO-KF | 0000000 | 00000 |
40 | 2.16" | 1 1/2" | Aluminum | 1 × 10^-7 torr @ 72° F | ISO-KF | 0000000 | 00000 |
50 | 2.95" | 2" | Aluminum | 1 × 10^-7 torr @ 72° F | ISO-KF | 0000000 | 00000 |
Trade Number | For Flange OD | For Tube OD | Inner Ring Material | Max. Vacuum | High Vacuum Connection Type | Each | |
16 | 1.18" | 3/4" | 304 Stainless Steel | 1 × 10^-7 torr @ 72° F | ISO-KF | 00000000 | 00000 |
25 | 1.57" | 1" | 304 Stainless Steel | 1 × 10^-7 torr @ 72° F | ISO-KF | 0000000 | 0000 |
40 | 2.16" | 1 1/2" | 304 Stainless Steel | 1 × 10^-7 torr @ 72° F | ISO-KF | 0000000 | 00000 |
50 | 2.95" | 2" | 304 Stainless Steel | 1 × 10^-7 torr @ 72° F | ISO-KF | 0000000 | 00000 |