Hedland High Temperature Flow Meter for Water-based Fluids
Variable area flow meter for water-based fluids and oil/water emulsions with temperatures to 500°F
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- Manufactured by Hedland
- Direct reading
- Install in any position
- 360° rotatable guard/scale
- Easier-to-read linear scale
- No flow straighteners or special piping required
- Relatively insensitive to shock and vibration
- Good viscosity stability
- 500°F max.
- ±2% full scale accuracy
The Hedland High Temperature Flow Meter for Water-based Fluids are low cost, yet rugged variable area flow meters. These in-line flow rate indicators are industrial class and can be used in high temperature water-based fluids and emulsions. These Hedland flow meters features quality metal construction in aluminum, brass, or stainless steel. You can choose from six port sizes from 1/4" to 1-1/2".
These variable area flow meters can be used in applications in which the temperature ranges from -20 to 400°F (continuous) and 400 to 500°F (intermittent). Stainless steel flow meters are pressure rated for 6,000 psi/414 bar maximum (5,000 psi/345 bar maximum for 3/4" to 1-1/2" series) with a 3:1 safety factor. Aluminum and brass flow meters are pressure rated for 3,500 psi/241 bar maximum with a 3:1 safety factor. Brass models are highly recommended for water systems or for systems where galvanic corrosion may be a problem.
The Hedland High Temperature Flow Meter for Water-based Fluids has a flow range from 0.1 to 150 GPM.
All Hedland variable area flow meters use a sharp-edged annular orifice, formed between the open-centered piston and a contoured metering cone. The piston is held in a "no flow" position at the base of the contoured cone by a calibrated retention spring. Flow through the meter creates a differential pressure across the piston orifice, moving the piston against the spring. The greater the volume, the further the piston moves. Externally, the flow indicator is magnetically-coupled to the moving piston. The indicator is visually "read" against a graduated flow scale.
Applications for the Hedland High Temperature Flow Meter for Water-based Fluids
- Water-based Fluids
- Oil/water emulsions
- Temperatures up to 500°F