Kobold Variable Area Flowmeter - Class Cone

 

Thread Connection URM

The KOBOLD URM model flowmeter/monitor works on the basis of the suspended float principle. It is used for measuring the flow rates in closed pipe line systems.

The medium flows from below through a glass measuring cone that gets wider on top. Thus, the float is raised and indicates the respective flow rate on the scale provided on the measuring cone. To monitor flow rate limits, the URM meters can be optionally furnished with “open collector“ proximity switches. By its special design, this model is particularly suitable for applications where only very small operating pressures are available. Another advantage is offered by the very large sight glass which optically allows direct flow observation.

Features

Applications

• Domestic engineering
• Cooling circuits
• Plant engineering
• Water treatment
• Heating
• Machine tools
• Solar systems
• Welding machines
• Paper machines
• Glass melting pots
• Extrusion machines
• Induction furnaces

Specifications

Technical Details

• Installation position: vertical
• Accuracy: ±2% qG =50% (2.5% for gases)
  acc. VDE/VDI 3513 page 2
• Max. temperature: 100°C (65°C for PVC)
• Max. pressure: 01H...37H 16bar
  43H...57H 12bar
  63H...65H 8bar
  01L...37L 16bar
  43L...55L 10bar
  63L...65L 6bar
• Calibration conditions: water: 20°C, air: 20°C,
• air pressure: 1.013 bar abs.
  

Class Cone URB

The flow meters model URB for liquids operate on the suspended float principle; i.e. the installation position is vertical and the direction of flow is from bottom to top. The flow meter has an economical armature. The measuring tube is not covered or protected against external impact. The instruments have been designed as simple and are thus suitable for economical measuring systems.

Specifications

Technical Details

• Installation position: vertical, flow from bottom
• Accuracy class: 4 acc. to VDI/VDE 3513
• Max. pressure: 3 bar
• Process temperature: 0...+65°C
• Protection: IP65
• Connections: G½, G¾, G1, G1¼

Class Cone UVR/UTR

The flowmeters and switches model UVR and UTR for liquids and air operate on the suspended float principle: that is, the installation position is vertical and the direction of flow is from bottom to top.

The instruments have been designed as simple and thus economical measuring systems. The float for UVR and UTR is a bomb form float, whereby the indication point is the top of the float. The appliance is available with or without needle valve as well.

Features

Applications

• Cooling water system
• Gas monitoring for burners
• Inert gas controlling

Specifications

Technical Details

• Installation position: vertical, flow from bottom
• Accuracy class: 4 acc. to VDI/VDE 3513
• Max. pressure: 10 bar
• Process temperature: 0...+100°C
  0...+70°C with contact
  0...+65°C (PVC float)
• Ambient temperature: 0...+65°C
• Protection: IP65
• Connections: G⅜, G½, ⅜" NPT, ½" NPT
• Option: adapters (G¼,G⅜, G½)
  pipe connecions for plastic pipes
  hose connections
  push-on connections

Loose Flange URL

The Kobold URL model flowmeter/monitor works on the basis of the suspended float principle. It is used for measuring the flow rates in closed pipe line systems. The medium flows from below through a glass measuring cone that gets wider on top. Thus, the float is raised and indicates the respective flow rate on the scale provided on the measuring cone. To monitor flow rate limits, the URL meters can be optionally furnished with “open collector“ proximity switches.

This plastic version is not only economical but also resistant against several chemicals. By its special design, this model is particularly suitable for applications where only very small operating pressures are available. Another advantage is offered by the very large sight glass which optically allows direct flow observation.

Features

Applications

• Domestic engineering
• Cooling circuits
• Plant engineering
• Water treatment
• Heating
• Machine tools
• Solar systems
• Welding machines
• Paper machines
• Glass melting pots
• Extrusion machines
• Induction furnaces

Specifications

Technical Details

• Installation position: vertical
• Accuracy class: 4 according to VDI
• Max. temperature: 100°C (65°C for PVC)
• Max. pressure: 10 bar
• Calibration conditions: water: 20°C, air: 20°C,
• air pressure: 1.013 bar abs

Fixed Flange URK

The Kobold URK model flowmeter/monitor works on the basis of the suspended float principle. It is used for measuring the flow rates in closed pipe line systems.

The medium flows from below through a glass measuring cone that gets wider on top. Thus, the float is raised and indicates the respective flow rate on the scale provided on the measuring cone. To monitor flow rate limits, the URK meters can be optionally furnished with “open collector“ proximity switches.

By its special design, this model is particularly suitable for applications where only very small operating pressures are available. Another advantage is offered by the very large sight glass which optically allows direct flow observation.

Features

Applications

• Domestic engineering
• Cooling circuits
• Plant engineering
• Water treatment
• Heating
• Machine tools
• Solar systems
• Welding machines
• Paper machines
• Glass melting pots
• Extrusion machines
• Induction furnaces

Specifications

Technical Data

• Installation position: vertical
• Accuracy class: 4 according to VDI
• Max. temperature: 100°C (65°C for PVC)
• Max. pressure: 03H...23H 16bar (with PN 16 flange)
  25H...33H 12bar (with PN 16 flange)
  35H...41H 8bar (with PN 16 flange)
  01L...23L 16bar (with PN 16 flange)
  25L...33L 10bar (with PN 16 flange)
  in all other cases 6 bar
• Calibration conditions: water: 20°C, air: 20°C,
• air pressure: 1.013 bar abs

Download Datasheet: Kobold Variable Area Flowmeter - Class Cone Thread Connection URM

Download Datasheet: Kobold Variable Area Flowmeter - Class Cone URB

Download Datasheet: Kobold Variable Area Flowmeter - Class Cone UVR/UTR

Download Datasheet: Kobold Variable Area Flowmeter - Class Cone Loose Flange URL

Download Datasheet: Kobold Variable Area Flowmeter - Class Cone Fixed Flange URK

Reference : kobold.com

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