Flow Meters

OA Series — Acrylic Flow Meter

Name: OA Series — Acrylic Flow Meter
Brand: Sightflow

Acrylic flow meter · Water and liquid · OEM available

Select a scale for your application, then choose the available connections and options. Original drawings and the complete source PDF are included below.

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OA Series

Technical data

Application and operating limits

Service: Water and liquid
Pressure limit: 120 psig (8.4 bar) at 38°C (100°F)
Temperature: 0–45°C
Accuracy: ±3% of full scale
Mounting: Vertical

Materials and connections

Body: Acrylic
O-ring: EPDM
Float guide / top plug: 304 stainless steel
Connections: OA-1 / OA-2 / OA-3: ¼ in NPT female; OA-4 / OA-5: ½ in NPT female
OEM: Custom sizes and flow ranges available

Dimensions and construction

OA Series dimensions (mm)
Model	Front height	Side height	Front width	Depth	Connection centres	Mounting centres
OA-1 / OA-2	110	105.41	25.4	30.48	75	41.5
OA-3	119.634	125	30.48	36.83	87	55
OA-4 / OA-5	168.4	174	31.75	41.91	124	67

Select your OA Series meter

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1–3. Your flow requirements

1. Fluid2. Flow units3. Max flow range

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6. Your selection

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Specifications are general selection guidance. Confirm materials, connection standards, operating temperature and pressure with Sightflow before placing an order.