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VAP Insertion Pitot - Large Ducts
Brand: Eastern InstrumentsThe VAP-AEX Insertion style pitot, when inserted into either new or existing duct work, will provide a differential pressure output that is equivalent to the flow within the duct.
The VAP-AEX Pitot is constructed out of Anodized Aluminum and can be oriented for either clean air applications or for applications where the air contains particulate.
The VAP-AEX pitot has a large profile allowing it to be installed in extremely large duct that measure over 72 inches.
These pitots are typically mounted via insertion ports that are welded to the exterior of the duct work, but they can also be directly mounted to the duct as well.
FeaturesTwo Unique Designs
- The VAP/PA Pitot is designed for particulate-laden applications. Can be placed in heavily particulate or condensate-laden environments while still measuring accurately and reliably without being prone to plugging.
- Ideally designed to provide accurate differential pressure outputs for precise air flow measurement in process applications, the VAP/SA is suitable for relatively clean process environments (such as clean flows or filtered gas streams), where high accuracy is required for measurement and control.
Accuracy
- Accuracy to within ±2% and repeatability to within ±0.1%, depending on upstream and downstream straight runs.
Parallel Plate Cross Sectional Design
- Minimizes turbulence at the sensing ports, preventing particulate build up and also designed for high turndown applications.
Multiple Differential Pressure Sensing Ports
- Velocity averaging throughout the full traverse of the duct with multiple pitot array.
Durable Materials of Construction
- Constructed from extruded 6063 series aluminum with a final process Teflon hard anodized coating, yielding a surface hardness of Rockwell 65C. Also available in Stainless Steel and PVC.
Basic Installation
- Each VAP/PA and VAP/SA Pitot probe can be inserted into the duct utilizing a pre-fabricated weld on insertion port. When multiple probes are needed within the duct, the total and static sensing ports can be manifolded together.
Negligible Pressure Loss
- Due to the streamline, narrow cross-section of the Parallel Plate Pitot design, the VAP/PA and VAP/SA will not restrict the airflow, therefore there will be minimal, if not negligible pressure drop across the measurement area. Integrated temperature elements are available to further reduce in-duct obstructions.
In Duct Sensors are Passive
- There are no active, electronic components or moving parts that are installed within the air stream, therefore eliminating maintenance costs and ensuring reliability.
Engineered Solutions
- Heated Pitots, High Velocities, Large duct installations (VAP/XL Pitots (Up to 240 inches)), and much more to meet customer specific needs.
Specifications
Brand
Duct Configuration
- Rectangular/Square
Duct Size
- 72” and larger
MOC
- Anodized Aluminum
Duct Pressure
- -7 to 7 PSI (-48 to 48 kPa)
Temperature
- -40 to 700 F (-40 to 371 C)
Medium
- Clean Air or Gas
- Particulate-Laden Air or Gas
Velocity Clean Air
- (250 - 12,500 ft/min)
- Combustion Air Measurement
- Primary Air
- Secondary Air
- Tertiary Air
- Over-Fired Air
- Pneumatic Conveyance Systems
- Industrial Drying Systems
- Process Exhaust Systems
- Scrubbers
- Industrial Oven Vents