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 1–12 of 13 results

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

Item 570341V
Durable vertical-mount PVC flowmeter for 1.5″ lines. Provides accurate flow readings between 25-60 GPM.

Item 570331V
Vertical installation flowmeter for 1.25″ PVC lines. Displays 15-50 GPM with clear, easy-to-read scale.

Item 570321V
Compact vertical-mount 1″ PVC flowmeter. Measures 10-30 GPM, offering flexibility for tight installations while maintaining clear and accurate flow readings.

Item 570361V
Durable vertical PVC flowmeter for 2.5″ lines. Provides accurate readings from 70-240 GPM.

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

Item 570351V
Vertical-mount PVC flowmeter for 2″ systems. Displays accurate flow measurements between 40-140 GPM.

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

Item 570371V
Compact vertical-mount PVC flowmeter for 3″ lines. Measures 100-300 GPM accurately.

Item 570380V
4″ vertical copper flowmeter. Accurately measures flow rates between 200-480 GPM.

Item 570381V
Reliable vertical-mount PVC flowmeter for 4″ systems. Provides accurate readings between 175-500 GPM.

Item 570391V
Vertical 6″ PVC flowmeter. Provides clear, precise measurements for flow rates between 400-1050 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