SEARCH
Find a Distributor

Flowmeters

Flowmeter (4", PVC, Side Mount)
Flowmeter (4", PVC, Side Mount) - Image 2
Flowmeter (4", PVC, Side Mount) - Image 3
Flowmeter (4", PVC, Side Mount) - Image 4
Flowmeter (4", PVC, Side Mount) - Image 5
Flowmeter (4", PVC, Side Mount) - Image 6

Flowmeter (4″, PVC, Side Mount)

Item 570381S Category
Flowmeter 4″ PVC Side Mount (GPM 175-500/LPM 662-1893)

Additional information

Pipe Size

4"
Pipe Material

PVC
Mount Type

Side Mount
Description:

Durable PVC side-mount flowmeter for 4″ systems. Provides clear, accurate readings from 175–500 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

Rola-Chem Catalog

Find more information about our products in our catalog

Product Manuals

Something here about the manuals for this product color

Instructional Videos

Watch our instructional videos to learn about Rola-Chem products.

Rola-Chem Catalog

Find more information about our products in our catalog

Product Manuals

Something here about the manuals for this product color

Cross Reference Guide

Find more information about our products in

Instructional Videos

Watch our instructional videos to learn about Rola-Chem products.

In the News Title

Flowmeter (2″, PVC, Top Mount)

Item 570351T Category

Flowmeter 2″ PVC Top Mount (GPM 40-140/LPM 151-530)

Flowmeter (2″, Copper, Top Mount)

Item 570350T Category

Flowmeter 2″ Copper Top Mount (GPM 40-140/LPM 151-530)

Flowmeter (1 1/2″, PVC, Side Mount)

Item 570341S Category

Flowmeter 1 1/2″ PVC Side Mount (GPM 25-60/LPM 95-227)

Flowmeter (1 1/2″, Copper, Top Mount)

Item 570340T Category

Flowmeter 1 1/2″ Copper Top Mount (GPM 20-55/LPM 76-208)