Flowmeters

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 25–36 of 39 results

Flowmeter (3″, PVC, Side Mount)
Item 570371S
Durable PVC side-mount flowmeter for 3″ lines. Provides clear, accurate flow readings between 100-300 GPM.
Flowmeter (3″, PVC, Top Mount)
Item 570371T
PVC top-mount flowmeter designed for 3″ systems. Displays reliable 100-300 GPM measurements.
Flowmeter (3″, PVC, Vertical Mount)
Item 570371V
Compact vertical-mount PVC flowmeter for 3″ lines. Measures 100-300 GPM accurately.
Flowmeter (4″, Copper, Side Mount)
Item 570380S
Industrial-strength 4″ copper side-mounted flowmeter. Provides dependable flow readings from 200-480 GPM.
Flowmeter (4″, Copper, Top Mount)
Item 570380T
Top-mounted 4″ copper flowmeter for large systems. Monitors flow rates from 200-480 GPM.
Flowmeter (4″, Copper, Vertical Mount)
Item 570380V
4″ vertical copper flowmeter. Accurately measures flow rates between 200-480 GPM.
Flowmeter (4″, PVC, Side Mount)
Item 570381S
Durable PVC side-mount flowmeter for 4″ systems. Provides clear, accurate readings from 175-500 GPM.
Flowmeter (4″, PVC, Top Mount)
Item 570381T
PVC flowmeter with top-mount design. Displays flow rates of 175-500 GPM with reliable accuracy.
Flowmeter (4″, PVC, Vertical Mount)
Item 570381V
Reliable vertical-mount PVC flowmeter for 4″ systems. Provides accurate readings between 175-500 GPM.
Flowmeter (6″, PVC, Side Mount)
Item 570391S
Large-capacity 6″ PVC flowmeter with side-mount design. Provides accurate monitoring of 400-1050 GPM.
Flowmeter (6″, PVC, Top Mount)
Item 570391T
Top-mount 6″ PVC flowmeter. Displays dependable flow readings from 400-1050 GPM.
Flowmeter (6″, PVC, Vertical Mount)
Item 570391V
Vertical 6″ PVC flowmeter. Provides clear, precise measurements for flow rates between 400-1050 GPM.

Flowmeter Features

Available in PVC, Galvanized, or Copper pipe materials.
Accurate readings in both GPM (Gallons per Minute) and LPM (Liters per Minute).
Clear, easy-to-read scale ensures precise flow measurement.
Durable construction designed for long service life.
Compact design fits various plumbing configurations.
Models support both top and side mounting options.

FLOWMETER SIZING GUIDE
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

Flowmeters

Flowmeter (3″, PVC, Side Mount)

Flowmeter (3″, PVC, Top Mount)

Flowmeter (3″, PVC, Vertical Mount)

Flowmeter (4″, Copper, Side Mount)

Flowmeter (4″, Copper, Top Mount)

Flowmeter (4″, Copper, Vertical Mount)

Flowmeter (4″, PVC, Side Mount)

Flowmeter (4″, PVC, Top Mount)

Flowmeter (4″, PVC, Vertical Mount)

Flowmeter (6″, PVC, Side Mount)

Flowmeter (6″, PVC, Top Mount)

Flowmeter (6″, PVC, Vertical Mount)

Flowmeter Features