Connection Type Connection Type | Show |
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 | Tube |
Connection Style Connection Style |
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| Quick Clamp |
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| Flanged |
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| Barbed |
System of Measurement System of Measurement |
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Maximum Pressure Maximum Pressure |
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Body Material Body Material |
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Maximum Temperature Maximum Temperature |
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Indicator Type Indicator Type |
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Mounting Orientation Mounting Orientation |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Minimum Temperature Minimum Temperature |
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Mounting Location Mounting Location |
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Direction of Flow Direction of Flow |
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Environment Environment |
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Window Material Window Material |
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Material Material |
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Specifications Met Specifications Met |
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High-Vacuum Flanged Sights
Add a window to your high-vacuum system. With a pane of 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.
For technical drawings and 3-D models, click on a part number.
Window | Bolt Holes | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High-Vacuum Flange Size | 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" | __ | CF | 1 × 10 -11 torr @ 72° F | 5/8" | Glass | 1 1/16" | 6 | 11/64" | 660° | 0000000 | 0000000 |
| 40 | 2 3/4" | __ | CF | 1 × 10 -11 torr @ 72° F | 1 1/2" | Glass | 2 5/16" | 6 | 17/64" | 660° | 0000000 | 000000 |
| 63 | 4 1/2" | __ | CF | 1 × 10 -11 torr @ 72° F | 2 9/16" | Glass | 3 5/8" | 8 | 21/64" | 660° | 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" | __ | CF | 1 × 10 -11 torr @ 72° F | 3 35/64" | Glass | 5 1/8" | 16 | 21/64" | 660° | 0000000 | 000000 |
High-Vacuum Sights for Quick-Clamp Fittings
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.
For technical drawings and 3-D models, click on a part number.
Window | ||||||||
|---|---|---|---|---|---|---|---|---|
| High-Vacuum Flange Size | For Flange OD | High Vacuum Connection Type | Max. Vacuum | Dia. | Material | Max. Temp., °F | Each | |
304 Stainless Steel | ||||||||
| 16 | 1.18" | ISO-KF | 1 × 10 -9 torr @ 72° F | 5/8" | Glass | 660° | 0000000 | 0000000 |
| 25 | 1.57" | ISO-KF | 1 × 10 -9 torr @ 72° F | 5/8" | Glass | 660° | 0000000 | 000000 |
| 40 | 2.16" | ISO-KF | 1 × 10 -9 torr @ 72° F | 1 1/4" | Glass | 660° | 0000000 | 000000 |
| 50 | 2.95" | ISO-KF | 1 × 10 -9 torr @ 72° F | 1 1/4" | Glass | 660° | 0000000 | 000000 |
| For High-Vacuum Flange Size | 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 |
| For High-Vacuum Flange Size | 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 |
Flow Sights with Barbed Fittings for Water, Oil, Air, and Inert Gas
Monitor liquid movement, color, and clarity in tube systems—these sights have barbed fittings that slide into soft plastic and rubber tubing. They have a clear body and an indicator that moves when flow is present, so you can visually confirm flow from a distance.
Indicator | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| For Tube ID | Temp. Range, °F | End-to-End Lg. | Ht. | Max. Pressure | Direction of Flow | Material | Color | For Use With | Each | |
Ball Indicator | ||||||||||
Polycarbonate Plastic Body | ||||||||||
| 1/4" to 3/8" | 32° to 180° | 3" | 2 1/4" | 10 psi @ 70° F | Bottom to Top, Left to Right, Right to Left, Top to Bottom | Nylon Plastic | White | Water, Oil, Air, Inert Gas | 0000000 | 000000 |
Rotor Indicator | ||||||||||
Polymethylpentene Plastic Body | ||||||||||
| 1/4" to 7/16" | 32° to 140° | 3 1/2" | 1 9/16" | 20 psi @ 70° F | Bottom to Top, Left to Right, Right to Left, Top to Bottom | Polypropylene Plastic | Blue | Water, Mineral Oil, Air, Inert Gas | 0000000 | 00000 |
Polystyrene Plastic Body | ||||||||||
| 3/16" to 1/4" | 0° to 190° | 2" | 1" | 10 psi @ 70° F | Bottom to Top, Left to Right, Right to Left, Top to Bottom | Polystyrene Plastic | Blue | Water, Oil, Air, Inert Gas | 0000000 | 00000 |
Flow Sights for Food and Beverage
Made of FDA-listed materials for use with food and beverage, these sights have sanitary quick-clamp connections and an electropolished 316 stainless steel body for easy disassembly and cleaning. They meet USP (United States Pharmacopeia) Class IV standard for food applications. Sights let you visually confirm flow and inspect liquid color and clarity. Backlight the back window to increase the visibility of dark liquids.
For technical drawings and 3-D models, click on a part number.
| For Tube OD | Temp. Range, °F | Window Lg. | End-to-End Lg. | Ht. | Max. Pressure | Direction of Flow | Specifications Met | Each | |
316 Stainless Steel Body | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1/2" | -20° to 300° | 3/4" | 3" | 1/2" | 150 psi @ 265° F | Any Direction | FDA Compliant 21 CFR 177.2600, USP Class IV | 0000000 | 0000000 |
| 3/4" | -20° to 300° | 1 1/8" | 3 3/8" | 3/4" | 150 psi @ 265° F | Any Direction | FDA Compliant 21 CFR 177.2600, USP Class IV | 0000000 | 000000 |
| 1" | -20° to 300° | 1 1/8" | 3 1/2" | 1" | 120 psi @ 265° F | Any Direction | FDA Compliant 21 CFR 177.2600, USP Class IV | 0000000 | 000000 |
| 1 1/2" | -20° to 300° | 1 1/2" | 4 1/8" | 1 1/2" | 115 psi @ 265° F | Any Direction | FDA Compliant 21 CFR 177.2600, USP Class IV | 0000000 | 000000 |
| 2" | -20° to 300° | 1 7/8" | 4 3/4" | 2" | 100 psi @ 265° F | Any Direction | FDA Compliant 21 CFR 177.2600, USP Class IV | 0000000 | 000000 |