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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Flow Measurement Scale Flow Measurement Scale |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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About Flowmeters and Totalizers
Flowmeters measure the rate of flow for a liquid or a gas. Totalizers measure the cumulative flow volume. Flowmeter/totalizers display both the flow rate and the cumulative flow volume.
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Flanged Totalizers for Drinking Water


Flanged ends provide secure connections in large pipelines with high flow rates. These flowmeters meet NSF/ANSI Standard 61 for use with drinking water. They measure the total flow volume in your system and cannot be reset.
Optional elliptical flange kit lets you convert elliptical flanges to NPT female connections.
Flange | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OD | Type | Pipe Size | End-to-End Lg. | Flow Range, gpm | Accuracy | Max. Total Volume, gallons | Max. Pressure | Temp. Range, °F | Seal Material | Mounting Orientation | Display Type | Bolt Hole Dia. | Bolt Circle Dia. | Number of Bolt Holes | Each | |
Bronze Body | ||||||||||||||||
Gallons | ||||||||||||||||
| 5 7/8" | Elliptical | 2 | 10" | 4 to 350 | ±1.5% | 99,999,000 | 175 psi @ 70° F | 33° to 150° | Buna-N Rubber | Horizontal | Analog | 5/8" | 4" | 2 | 0000000 | 000000000 |
| 7 1/2" | Round | 3 | 12" | 5 to 530 | ±1.5% | 99,999,000 | 175 psi @ 70° F | 33° to 150° | Buna-N Rubber | Horizontal | Analog | 3/4" | 6" | 4 | 0000000 | 00000000 |
| 8 7/8" | Round | 4 | 14" | 9 to 1,350 | ±1.5% | 99,999,000 | 175 psi @ 70° F | 33° to 150° | Buna-N Rubber | Horizontal | Analog | 3/4" | 7 1/2" | 8 | 0000000 | 00000000 |
| 11 1/8" | Round | 6 | 18" | 25 to 2,700 | ±1.5% | 99,999,000 | 175 psi @ 70° F | 33° to 150° | Buna-N Rubber | Horizontal | Analog | 7/8" | 9 1/2" | 8 | 0000000 | 00000000 |
| 13 5/8" | Round | 8 | 20" | 35 to 3,500 | ±1.5% | 99,999,000 | 175 psi @ 70° F | 33° to 150° | Buna-N Rubber | Horizontal | Analog | 7/8" | 11 3/4" | 8 | 0000000 | 00000000 |
| Optional Elliptical Flange Kit | 0000000 | Each | 0000000 |
Flanged Flowmeter/Totalizers for Water

For secure connections in large pipelines with high flow rates, these flowmeter/totalizers have flanged ends. They measure both the flow rate and the total flow volume. The batch total volume can be reset after each metering application. The total flow volume cannot be reset.
For technical drawings and 3-D models, click on a part number.
| Flange OD | For Flange ANSI Class | Pipe Size | End-to-End Lg. | Flow Range, gpm | Accuracy | Max. Total Volume, units | Max. Pressure | Temperature Range, °F | Seal Material | Mounting Orientation | Batteries Included | Battery Size | Each | |
PVC Plastic Body | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Gallons per Minute, Liters per Minute | ||||||||||||||
| 9" | 150 | 4 | 14" | 60 to 600 | ±3% | 999,999 | 225 psi @ 70° F | 33° to 140° | 316 Stainless Steel | Horizontal, Vertical | Yes | AAA | 00000000 | 000000000 |
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 |



























