Case Study · LabVIEW + DAQ
Valve Testing Machine
LabVIEW-driven test rig for pressure, leak and endurance testing of industrial valves with automatic reporting.
-45%
Test cycle time
Instant
Certificate generation
Removed
Operator dependency
±0.2%
Repeatability
The Problem
What the plant was facing
The OEM was running valve qualification tests manually with analog gauges and paper records. Test consistency depended on the operator, and generating per-valve test certificates for customers was a full day of clerical work.
Our Solution
What we engineered
- LabVIEW-based test sequencer with hydro, pneumatic and leak modes
- NI DAQ for pressure, flow and displacement acquisition
- PLC-driven pneumatic clamping and safety interlocks
- PDF certificate auto-generation per test with graphs and pass/fail
- SQL archive keyed by valve serial number
Tech Stack
Hardware & software used
LabVIEW
NI DAQ hardware
Delta PLC
Pneumatic clamping
SQL Server
Automated PDF reporting
Gallery
On-site & control room
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