our company



YANITSA ET – 1994. In 2005 it is transformed in 2 companies – MASTER LTD and YANITSA LTD.



eng. Valentin Yakimov





//store and central office


123 Lipnik bul.
tel: +359885161811                                                     tel: +359885189014                                           ruse@master-bg.com


Rotameters and Devices for Measurement and Control of Variable Viscosity Substances



  • Low Flow Rotameters for Control/Measurement
  • Trogamide and Polysulfone Rotameters for Control/Measurement
  • All Metal Rotameters, Independently Mounted
  • All Metal Rotameters for Monitoring/Measurement
  • All Metal Rotameters for Monitoring/Measurement with Counters
  • Viscosity Independent Flowmeters for Monitoring/Measurement




Paddle Type Flowmeters and Switches



  • Paddle Type Flow Regulators for Liquids
  • Flowmeter with Flap
  • Low Flow Rate Convertor for Water
  • Low Flow Rate Rotating Vane Flow Meter 


Rotating Vane Flowmeters and Switches for Control/Measurement




  • Low Flow Rate Rotating Vane Flowmeters
  • Turbine Wheel Flowmeters
  • Electronic Low Volume Flowmeters
  • Battery Powered Turbine Wheel Flowmeters/Counters
  • Indicators, Counters, Batching Electronics


Flow Measurement without Moving Parts




  • Compact Calorimetric Flowmeters
  • Calorimetric Flowmeters
  • Calorimetric Flowmeters for air
  • Mass Flowmeters/ Controllers for Gasses
  • Digital Mass Flowmeters/Controllers
  • Differential Flowmeters for Monitoring/Measurement
  • Inductive Flowmeters
  • Low Pressure Losses Coriolis Flowmeters for Gasses
  • Ultrasonic Flowmeters for Liquids


Flow Indicators


  • Rotating Vane Flow Indicators
  • Rotor Flow Indicator with built-in self-cleaning mechanism
  • Flow Indicator with Ball
  • Flow Indicator with Flap
  • Flow Indicator with Drip Tube
  • Flow Regulating Nozzles


« prev[1] 2 3 next »
design and development by