Darley
Darley Hydrant Testing Piezometer with Liquid-Filled Pressure Gauge and Padded Case
SKU#: U359
Ships via Standard Ground
Accurately test pump and hydrant performance with this brass piezometer featuring a liquid-filled gauge for vibration-free flowing pressure readings.
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The Darley Pump and Hydrant Testing Piezometer is a precision brass instrument designed to take accurate flowing pressure readings and determine water flow from openings up to 8 inches in diameter. It is used to evaluate the firefighting efficiency of pumps and hydrants by measuring velocity pressure rather than static pressure alone.
Features
- Flowing pressure accuracy: Measures flowing and velocity pressure to determine how much water can actually be delivered through an outlet
- Large outlet compatibility: Takes readings from openings up to 8 inches in diameter
- Efficiency verification: Helps accurately check pump and hydrant firefighting performance
Gauge and Operation
- Liquid-filled gauge: Provides clear readings with vibration-free performance
- Static vs. flowing comparison: Complements static pressure gauges by enabling true flow evaluation
Construction and Standards
- All-brass tube construction: Durable design intended for repeated pump and hydrant testing
- Bleeder valve: Integrated for controlled pressure release during testing
- Underwriters specifications: Manufactured to meet Underwriters requirements
- Discharge table included: Supports accurate flow determination from pressure readings
How is it used
This piezometer is used during pump and hydrant testing to measure flowing or velocity pressure while water is moving through an outlet. By using these readings along with the included discharge table, users can determine actual water flow and evaluate system performance.
Who used it
The piezometer is used for testing pumps and hydrants, including applications involving firefighting pumpers and hydrant performance evaluation.
Maintenance information
The all-brass construction and liquid-filled gauge are intended to support reliable operation during routine pump and hydrant testing. The bleeder valve allows for proper pressure management during use.
Storage information
When not in use, the piezometer should be stored in a way that protects the gauge and brass tube to help maintain accurate pressure readings during future tests.
What is included
- Piezometer assembly
- Padded Carrying Case
- Liquid-filled gauge
- Discharge table
- Application: Pump and hydrant testing
- Maximum opening size: Up to 8 inches diameter
- Construction: All-brass tube
- Gauge type: Liquid-filled, vibration-free
- Compliance: Made to Underwriters specifications
- Shipping weight: 2 lbs
- Model: U359