VARIABLE AREA FLOW METERS


























variable area flow meters

Hedland has been a manufacturer of quality flow measurement solutions for over 30 years. Since the introduction of the Hedland Variable Area Flow Meters for hydraulic oil, their product line has grown to over 10,000 flow meter models including turbine flow meters, positive displacement flow meters, transit time ultrasonic flow meters, switches and transmitters. These products provide cost effective flow measurement in the following applications: oil, phosphate esters, water, water-based fluids, air, and other compressed gases.

Hydraulic Supply Co. is located in Florida and Georgia, and is a distributor for Hedland® variable area flow meters
See our Company Overview to find out more about us.

Our on-line Stock Products Catalog includes variable area Hedland flow meters and has over 1400 pages of hydraulic, pneumatic and fluid conveying products to choose from - and every one of them is in stock and available for immediate delivery.

Click on “Order On-line” for browsing product categories, checking price and quantity on hand, order entry and much more.

See our Contact Us page to get in touch and get the help you need with your variable area flow meters requirement.

Variable Area High Pressure flow meters
For Petroleum Fluids

 
Hedland® Variable Area High Pressure

Basic Flow Meter
Direct reading
Install in any position
360° rotating guard/scale
Easier to read linear scale
No flow straighteners or special piping required
Relatively insensitive to shock and vibration
Good viscosity stability (40 to 500 SUS)
Temperature up to 240 °F
Pressure up to 6,000 psi maximum
Accuracy ±2% full scale
Repeatability ±1%
Standard calibration: .876 specific gravity, 140 SUS hydraulic oil
Construction: Aluminum, brass and T303 stainless steel
Flow range: 0.02 to 300 GPM
Sizes: 1/4 to 3 inch ports
Ports: SAE, NPTF, BSPP, Code 61 and Code 62, 4-bolt flanged
Optional:
- Special scales available
- Reverse flow by-pass

 

Variable Area High Pressure flow meters
For Phosphate Ester Fluids

 
Hedland® Variable Area High Pressure

Basic Flow Meters
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 (40 to 500 SUS)
Consult factory for other viscosities
Temperature up to 240 °F
Pressure up to 6,000 psi maximum
Accuracy ±2% full scale
Repeatability ±1%
Standard calibration: 1.18 specific gravity, 140 SUS hydraulic oil
Construction: Aluminum, brass and T303 stainless steel
Flow range: 0.02 to 150 GPM
Sizes: 1/4 to 1-1/2 inch ports
Ports: SAE, NPTF, BSPP, Code 62, 4-bolt flanged
Optional:
- Special scales available
- Reverse flow by-pass
CAUTION: Skydrol & fryquel oil may require a pyrex guard

 

Variable Area High Pressure flow meters
For Water Based Fluids

 
Hedland® Variable Area High Pressure

Basic Flow Meters
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 (40 to 500 SUS)
Consult factory for other viscosities
Temperature up to 240 °F
Pressure up to 6,000 psi maximum
Accuracy ±2% full scale
Repeatability ±1%
Standard calibration: 1.0 specific gravity for water-based emulsions
Construction: Aluminum, brass and T303 stainless steel
Flow range: 0.02 to 275 GPM
Sizes: 1/4 to 3 inch ports
Ports: SAE, NPTF, BSPP, Code 61 and Code 62, 4-bolt flanged
Optional:
- Special scales available
- Reverse flow by-pass
CAUTION: Not recommended for water only applications

 

Variable Area High Pressure flow meters
For Water & Other Fluids

 
Hedland® Variable Area High Pressure flow meters

Basic Flow Meters
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
Temperature up to 240 °F
Pressure up to 6,000 psi maximum
Accuracy ±2% full scale
Repeatability ±1%
Standard calibration: 1.0 specific gravity
Construction: Brass and T303 stainless steel
Flow range: 0.02 to 150 GPM
Sizes: 1/4 to 3 inch ports
Ports: SAE, NPTF and BSPP
Optional: Special scales available

 

Variable Area High Pressure flow meters
For API Oil / Caustic & Corrosive Liquids

 
Hedland® Variable Area High Pressure

Basic Flow Meters
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
Temperature up to 240 °F
Pressure up to 6,000 psi maximum
Accuracy ±2% full scale
Repeatability ± 1%
Standard calibration:
0.876 specific gravity for oil
1.0 specific gravity for water
Construction: T316 stainless steel
Flow range: 0.1 to 100 GPM
Sizes: 1/4 to 1-1/2 inch ports
Ports: NPTF and BSPP
Optional:
- Special scales available
- Hostile environment kit for corrosive vapors and high temp

 

Variable Area High Pressure flow meters
For  Air / Caustic & Corrosive Gasses

 
Hedland® Variable Area High Pressure

Basic Flow Meters
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
Temperature up to 240 °F
Pressure up to 1,500 psi maximum
Accuracy ±2% full scale
Repeatability ±1%
Standard calibration: 1.0 specific gravity
Construction: T316 stainless steel
Flow range: 2 to 800 SCFM
Sizes: 1/4 to 1/12 inch ports
Ports: NPTF and BSPP
Optional:
- Special scales available
- Hostile environment kit for corrosive vapors and high temp

 

Variable Area High Pressure flow meters
For  Air & Compressed Gasses

 
Hedland® Variable Area High Pressure

Basic Flow Meters
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
Temperature up to 240 °F
Pressure up to 1,000 psi maximum
Accuracy ±2% full scale
Repeatability ±1%
Standard calibration: 1.0 specific gravity
Construction: Aluminum, brass and T303 stainless steel
Flow range: 0.5 to 2200 SCFM
Sizes: 1/4 to 3 inch ports
Ports: SAE, NPTF and BSPP
Optional:
- Special scales available
- EP option for extended inlet cap with plugged pressure gauge port
- EG option for extended inlet cap with pressure gauge installed

 

Variable Area EZ-View® flow meters
For oil, water, air and compressed gases

 
Hedland® Variable Area EZ-View®

Basic Flow Meters
Available in 1/2 to 2 inch ports
Offered in a wide variety of fitting styles
EZ to install in any position
No special piping or flow straighteners needed
No electrical connections
Direct reading indication
Accuracy within ±5%
Relatively insensitive to shock and vibration
Rugged polysulfone construction
Pressure up to
- 325 psi maximum for oil & water
- 125 psi maximum for air & gases
Temperature up to 250 °F maximum
Flow range: 0.5 to 28 GPM
Standard calibration:
- .876 specific gravity for oil
- 1.0 specific gravity for water & air
Optional: Special scales available

 

Related flow meter pages
flow meter  air flow meter  water flow meter  oil flow meter  inline flow meters 

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