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Preso Flow Sensors
Ellipse AR “Regular” Flow Sensor
Ellipse AF “Flanged” Flow Sensor
Ellipse AS “Steam” Flow Sensor
Ellipse AHR “Wet Tap” Flow Sensor
Ellipse AHL “Hot Tap” Flow Sensor
Ellipse AHL-GD “Hot Tap/High Pressure” Flow Sensor
Ellipse AR “Regular” Flow Sensor
 
Preso air, gas and liquid sensor
Operating Parameters
Sizes: 2" - 72"
Pressure: 1000 psi (6900 kPa) max.
Temperature: 400°F (200°C) max.
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Standard Parts
T-Type head, 316-SS 'A" or 1/4" FNPT connection
Carbon steel compression fitting with stainless steel ferrule
Carbon steel 3000 lb. weld fitting, ASTM A105
316 stainless steel ID tag with wire
316 stainless steel "Ellipse"" sensor
Instrument valves (2 per sensor) 1/4" or 1/2", carbon steel
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Options
Double support, carbon steel or 316 stainless steel
Weld fitting: 316 stainless steel 150 lb. or 3000 lb.
Mounting saddle for PVC or FRP pipes, carbon steel or 316 stainless steel
Compression fitting, all 316 stainless steel
Temperature port with RTD output
Static pressure port with stainless steel plug
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Ellipse AF “Flanged” Flow Sensor
Preso flanged model used on air, gas and liquid
Operating Parameters
Sizes: 2" to 120"
Pressure and temperature depend on flange ratings, ANSI B 16.5 standards
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Standard Parts
T-Type head, 316 stainless steel 1/4" or 1/2" FNPT connection
150 lb. 316 stainless steel sensor flange
Carbon steel gasket with stainless steel spiral wound ring
Carbon steel mounting flange, 150 lb. ASTM A105 with nuts and bolts
Carbon steel 3000 lb. weld fitting, ASTM Al05
316 stainless steel "Ellipse"" sensor
Instrument valves (2 per sensor) - 1/2", carbon steel
316 stainless steel ID tag with wire
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Options
Double support, carbon steel or 316 stainless steel
Spiral wound gasket, 316 stainless steel
300 lb., 600 lb., and higher flange rating, carbon steel or 316 stainless steel ANSI B 16.5
Temperature port with RTD output
Static pressure port with stainless steel plug
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Ellipse AS “Steam” Flow Sensors
Preso sensor for use on steam application
Operating Parameters
Sizes: 2" to 72"
Pressure: 600 psi (4100 kPa) max.
Temperature: 480°F (250°C) max.
Saturated or superheated steam
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Standard Parts
T-Type head, 316 stainless steel 1/2" FNPT connection
Carbon steel compression fitting with stainless steel ferrule
Carbon steel 3000 lb. weld fitting,
ASTM A105
Carbon steel, OS and Y gate valves
(1/2" NPT)
Carbon steel 3000 lb. cross tees and plugs ASTM A105
316 stainless steel "Ellipse" sensor
316 stainless steel ID tag with wire
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Options
Double support, carbon steel or 316 stainless steel
Compression fitting, 316 stainless steel
Weld fitting, 316 stainless steel 150 lb. or 3000 lb.
Temperature port with RTD output
Static pressure port with SS plug
1/2" gate valves, OS & Y 316 stainless steel
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Ellipse AHR “Wet Tap” Flow Sensors
Preso low pressure wet-tap model used on air, gas and liquid without system shutdown
Operating Parameters
Sizes: 2" to 36"
Insertion/Removal: Pressure: 75 psi (500 kPa) max.
Temperature: 120°F (500°C) max.
Operating Pressure: 150 psi (1000 kPa) max.
Temperature: 200°F (100°C) max.
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Standard Parts
T-Type head, 316 stainless steel 1/4" or 1/2" FNPT connection
Carbon steel compression fitting with SS ferrule
316 stainless steel isolation ball valve, NPT
Carbon steel reducer coupling
Carbon steel 3000 lb. weld fitting ASTM Al05
Carbon steel nipples, schedule 40
316 stainless steel "Ellipse"" sensor
316 stainless steel ID tag with wire
Instrument valves (2 per sensor) 1/4" or 1/2", carbon steel
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Options
Double support, carbon steel or 316 stainless steel (only with system shutdown)
Compression fitting, 316 stainless steel
Weld fitting, 316 stainless steel 150 lb. or 3000 lb.
316 stainless steel isolation ball valve flanged 150 lb.
316 stainless steel cage nipple
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Ellipse AHL “Hot Tap” Flow Sensors
Preso high pressure hot-tap model used on liquid, air, gas
and steam without system shutdown
Operating Parameters
Sizes: 2" to 72"
Pressure: 800 psi (5500 kPa) max.
Temperature: 800°F (425°C) max.
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Standard Parts
T-Type head, 316 stainless steel 1/4" or 1/2" FNPT connection
Carbon steel packing chamber with molythane or graphite packing gland
316 stainless steel sensor flange, 150 lb.
Carbon steel packing chamber flange, 150 lb. with stainless steel cap.
316 stainless steel isolation ball valve, NPT
Carbon steel threaded rods, nuts and bolts
Carbon steel nipples, schedule 40
Carbon steel 3000 lb. weld fitting, ASTM A105
316 stainless steel Ellipse sensor
316 stainless steel ID tag with wire
Instrument valves (2 per sensor) 1/4" or 1/2", carbon steel
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Options
Double support, carbon steel or 316 stainless steel (only with system shutdown)
Carbon steel or 316 stainless steel isolation ball valve flanged 150/300/600 lb.
Weld fitting, 316 stainless steel 150 lb. or 3000 lb.
316 stainless steel rods, bolts and nuts
316 stainless steel packing chamber and flange
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Ellipse AHL-GD “Hot Tap” Flow Sensors
Preso high pressure hot-tap model with gear drive, used on liquid, steam, air and gas without system shutdown
Operating Parameters
Sizes: (2"- to 72")
Pressure: 800 psi (5500 kPa) max.
Temperature: 800°F (425°C) max.
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Standard Parts
T-Type head, 316 stainless steel 1/4" or 1/2" FNPT connection
Carbon steel packing chamber with molythane or graphite packing gland
316 stainless steel sensor flange, 150 lb.
Carbon steel gear drive with handle
Carbon steel packing chamber flange, 150 lb. with stainless steel cap
316 stainless steel isolation ball valve, NPT
Carbon steel threaded rods, nuts and bolts
Carbon steel nipples, schedule 40
Carbon steel 3000 lb. weld fitting, ASTM Al05
316 stainless steel Ellipse sensor
316 stainless steel ID tag with wire
Instrument valves (2 per sensor) - 1/4" or 1/2", carbon steel
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Options
Double support, carbon steel or 316 stainless steel (only with system shutdown)
Carbon steel or 316 stainless steel isolation ball valve flanged 150/300/600 lb.
316 stainless steel rods, bolts and nuts
316 stainless steel gear drive enclosure with handle
Weld fitting, 316 stainless steel 150 lb. or 3000 lb.
316 stainless steel packing chamber and flange
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