PQV-Pro Pneumatic Abrasive Metering Valve
The PQV-Pro Pneumatic Metering Valve is designed for operators who need consistent abrasive flow, fast response, and reduced maintenance. This normally closed, pneumatically operated abrasive metering valve delivers precise control under pressure and improved reliability compared to traditional diaphragm-style valves.
How It Works
- Valve remains closed when idle using air-assisted spring pressure
- Applying control air opens the valve to a preset flow rate
- Releasing the control handle immediately stops abrasive flow
- Metering knob allows fine adjustment during blasting
This design provides clean starts, clean stops, and repeatable abrasive metering.
Key Benefits
| Benefit | Why It Matters |
|---|
| Precise abrasive control |
Consistent blast pattern and surface finish |
| Normally closed operation |
Safer shutdown and less abrasive waste |
| Piston-actuated design |
No diaphragms to fail |
| Patented two-stage seal |
Better control with reduced wear |
| Single signal air line |
Faster, simpler installation |
| Higher media flow efficiency |
Improved productivity |
| Reduced maintenance |
Fewer wear parts and quicker service |
Pressure & Operating Specifications
| Specification | Detail |
|---|
| Pressure to fully open |
80 psi |
| Maximum working pressure |
175 psi |
| Valve action |
Normally closed; air-assist to open, spring return to close |
| Outlet options |
1.25" or 1.50" flanged outlet tee for blast hose and pusher line |
Compatible Abrasives
- Abrasive sizes from 16 mesh to 220 mesh
- Slags
- Crushed glass and glass bead
- Steel shot and steel grit
- Aluminum oxide
- Silicon carbide
- Garnet
- Lightweight abrasives*
*Lightweight abrasives require a blast machine with a 60-degree conical bottom.
Safety note: Sand should never be used due to respiratory hazards.
Available Configurations
| SKU | Outlet Configuration |
|---|
| 32390 |
1.50" outlet pipe with flanged ball valve |
| 32120 |
1.25" outlet pipe with flanged ball valve |
| 32389 |
1.25" outlet pipe without flanged ball valve |
Why Choose the PQV-Pro?
The PQV-Pro is built for blast operators who want dependable abrasive flow, easier maintenance, and consistent performance under pressure. It's a practical upgrade for improving control, efficiency, and uptime in abrasive blasting operations.
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