Rola-Chem flowmeters provide the accuracy and reliability professionals need to keep dosing systems running at peak performance. Built with durable materials and simple installation in mind, our flowmeter components ensure consistent chemical feed rates and long-term dependability in any pool or spa environment.
Showing all 12 results

Item 570340V
Vertical copper flowmeter for 1.5″ lines. Delivers accurate readings between 20-55 GPM with compact design.

Item 570340S
High-strength copper side-mount flowmeter for 1.5″ lines. Monitors 20-55 GPM with durability and accuracy.

Item 570340T
Top-mounted copper flowmeter for 1.5″ systems. Measures 20-55 GPM with dependable accuracy.

Item 570350S
Heavy-duty 2″ copper side-mount flowmeter. Monitors 40-140 GPM for accurate large-system measurement.

Item 570350T
Durable copper flowmeter with top-mount design. Provides accurate 40-140 GPM flow readings.

Item 570350V
2″ copper vertical-mount flowmeter. Ensures reliable readings between 40-140 GPM.

Item 570370S
Heavy-duty 3″ copper side-mounted flowmeter. Displays reliable readings from 100-280 GPM.

Item 570370T
Top-mount 3″ copper flowmeter. Measures 100-280 GPM with clarity and precision.

Item 570370V
3″ copper vertical flowmeter for high-capacity systems. Ensures accurate readings of 100-280 GPM.

Item 570380S
Industrial-strength 4″ copper side-mounted flowmeter. Provides dependable flow readings from 200-480 GPM.

Item 570380T
Top-mounted 4″ copper flowmeter for large systems. Monitors flow rates from 200-480 GPM.

Item 570380V
4″ vertical copper flowmeter. Accurately measures flow rates between 200-480 GPM.
| Model No. | Pipe Material | Pipe Size | A* Minimum | B** Minimum | Range GPM | Range LPM | Clamp Size |
|---|---|---|---|---|---|---|---|
| 570321 | PVC-GALV | 1″ | 5″ | 10″ | 10-30 | 38-114 | 40 |
| 570331 | PVC-GALV | 1.25″ | 6″ | 11″ | 15-50 | 57-189 | 44 |
| 570340 | COPPER | 1.5″ | 8″ | 15″ | 20-55 | 76-208 | 44 |
| 570341 | PVC-GALV | 1.5″ | 8″ | 15″ | 25-60 | 95-227 | 44 |
| 570350 | COPPER | 2″ | 10″ | 20″ | 40-140 | 151-530 | 56 |
| 570351 | PVC-GALV | 2″ | 10″ | 20″ | 40-140 | 151-530 | 56 |
| 570360 | COPPER | 2.5″ | 13″ | 25″ | 70-245 | 265-927 | 64 |
| 570361 | PVC-GALV | 2.5″ | 13″ | 25″ | 70-240 | 265-908 | 64 |
| 570370 | COPPER | 3″ | 15″ | 30″ | 100-280 | 379-1060 | 64 |
| 570371 | PVC-GALV | 3″ | 15″ | 30″ | 100-300 | 379-1136 | 64 |
| 570380 | COPPER | 4″ | 20″ | 40″ | 200-480 | 757-1816 | 44 (2) |
| 570381 | PVC-GALV | 4″ | 20″ | 40″ | 175-500 | 662-1893 | 44 (2) |
| 570391 | PVC-GALV | 6″ | 30″ | 60″ | 400-1050 | 1514-3975 | 64 (2) |
| 570401 | PVC-GALV | 8″ | 40″ | 80″ | 700-1900 | 2650-7192 | 72 (2) |
*A = Minimum distance from downstream elbow or restriction.
**B = Minimum distance from upstream elbow or restriction.
After Part Number, indicate mounting: (T) = Top • (S) = Side • (V) = Vertical