Wilger Visual Ball Flow Indicators

A simple, reliable way to spot plugs or leaks instantly—no electronics, no costly maintenance, just dependable monitoring.

Options Available

Manifold Feed Columns
- Infinitely stackable for any configuration
- Available in three flow ranges:
  - Ultra Low Flow: 0.01–0.24 US gpm
  - Low Flow: 0.05–0.65 US gpm
  - Standard Flow: 0.07–2.70 US gpm
Isolated Feed Columns
- For individual row monitoring needs

Isolated feed flow indicator columns

The isolated feed columns are used to monitor multiple single feed lines. For example, monitoring individual lines coming out of a squeeze pump.

Isolated feed flow indicators come in two different columns sizes, broken down by recommended flow ranges:

Low flow column: 0.05 – 0.65 us gpm flow rates
standard flow column: 0.07 – 2.70 us gpm flow rates

Max Operating Pressure	100 PSI (7BAR)
Max Operating Flow Rate	Up to 8.0 us gpm (for standard flow column)
Max Operating Temperature	185°F / 85°C
O-ring Seal Materials	Buna-N or VITON®
U-clip Material	Stainless Steel
ORS Fitting Material	Glass-reinforced Polypropylene
Column Material	TPX (Polymethylpentene)