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        MTF Variable Area Flow Meter (Rotameter)
        
			
        MTF variable area flow meter is measured by outputting 4~20 mA two-wire linear current signal, and the communication protocol is loaded. The remote configuration, monitoring, maintenance and calibration of the instrument can be realized. The pressure regulator (constant flow valve) can be selected to make the outlet flow stable.
        
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        Features
        
				
          
					
          1.It can measure liquid, gas and vapor, especially for the flow measurement with small flow rate and low Reynolds number, it has more unique advantages than other flow meters.
          
2.Lower pressure loss, generally is 4~9kpa, higher is 20kpa.
          
3.There is a wide flow range, generally is 10:1, the special design flow range can be extended.
          
4.The factory calibration adopts the method of 11 sections calibration, and the precision of the product reaches 1.0 grade.
          
5.It can select card sleeve connection, piping φ6mm、φ8mm、φ10mm、φ12mm. Flange connections can also be selected and the flange standard is determined according to user requirements.
          
6.Max pressure is 69Mpa
          
				
        
			
        
			
        
				
        Main Technical Parameters
        
				
				
        
				
        Main Parameters
        

        Working Voltage: 12V～30VDC
        

        Output Signal: Two-wire 4~20 mADC current output and load HART protocol communication
        

        Flange Standard: HG/T20592-2009；HG/T20615-2009 or on request
        

        Power Supply Inlet: M12×1.5(Female Thread) or on request
        

        Input Impedance: ＞100MΩ
        

        Standard Load Resistance: 250Ω
        

        Nominal Pressure: DN15～DN50 is ≤10.0MPa，DN80～DN100 is≤6.3MPa or on request
        

        Accuracy: 1.0, 1.5, 2.0
        

        Turndown: 10:1
        

        Medium Temperature: -40℃≤T≤300℃
        

        Damping Time Selection: 0-32 seconds
        

        Ambient Temperature: -40℃≤T≤80℃ (When ≤-20℃, LCD is not displayed)
        

        Explosion-proof Type: Ex ia Ⅱ C T4 Ga; Ex d Ⅱ C T4 Gb
        

        IP Rating: IP66
        

         
        

        Measurement Range
        

        Water: 2.5 L/h～100000L/h(20℃)
        

        Air: 0.07 m3/h～1800m3/h(0.1013MPa, 20℃)
        

        DN15、DN20：η＜5mPa.s（FZ15.1~FZ15.5）、η＜30mPa.s（FZ15.6~FZ15.15、FZ20.1~FZ20.4）
        
DN25、DN40: η＜250mPa.s
        
DN50、DN80、DN100: η＜300mPa.s
        

         
        

        Classification
        

        Classified by installation mode: Vertical installation type and Horizontal installation type.
        

        Classified by applicable medium:
        

        Basic Type: It is applicable for liquid measurement
        

        Damping Type: It is applicable for gas and vapor measurement
        

        Anticorrosive Type: Lined with PTFE, suitable for corrosive medium measurement
        

        Clamp Type: Suitable for heat preservation or cooling of medium.
        

        Note: (Anticorrosive and clamp without the horizontal installation type)
        
				
        
				
			
        
			
        
				
        Applications
        
				
        
					
        煉油：催化重整、含酸沉淀池
        

        天然氣：硫磺回收、輕烴回收
        
				
        
			
        


			
		
        
	
        

	
	
        
			
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