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Flowmeter (1 1/4", PVC, Side Mount)
Flowmeter (1 1/4", PVC, Side Mount) - Image 2
Flowmeter (1 1/4", PVC, Side Mount) - Image 3
Flowmeter (1 1/4", PVC, Side Mount) - Image 4
Flowmeter (1 1/4", PVC, Side Mount) - Image 5

Flowmeter (1 1/4″, PVC, Side Mount)

Item 570331S Category
Flowmeter 1 1/4″ PVC Side Mount (GPM 15-50/LPM 57-189)

Additional information

Pipe Size

1 1/4"
Pipe Material

PVC
Mount Type

Side Mount
Description:

Durable 1.25″ PVC side-mount flowmeter. Provides reliable flow readings from 15–50 GPM, built for long-lasting performance.

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

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In the News Title

Flowmeter (3″, PVC, Side Mount)

Item 570371S Category

Flowmeter 3″ PVC Side Mount (GPM 100-300/LPM 379-1136)

Flowmeter (1 1/2″ Copper, Vertical Mount)

Item 570340V Category

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

Flowmeter (1″, PVC, Top Mount)

Item 570321T Category

Flowmeter 1″ PVC Top Mount (GPM 10-30/LPM 38-114)

Flowmeter (1″, PVC, Side Mount)

Item 570321S Category

Flowmeter 1″ PVC Side Mount (GPM 10-30/LPM 38-114)