Model NO.: A+E-84F
Measuring Media: Liquid, Gas
Measuring Principle: Electrical Principles
Measurement Object: Closed Pipeline
Certification: ISO
Item: Variable Area Flow Meter
Working Pressure: 4.0 MPa
Temperature: 400 Degree (752f)
Connection: Flange
Measuring Range Ratio: 10:1 (20:1 for Special Type)
Material: Metal
Protection: IP65
Funtion: Hazardous Area
Display: Field Pointer
Output: Two Wire 4-20mA
Trademark: AEAD
Transport Package: Carboard Box
Origin: Shanghai
HS Code: 9026100000
High Accuracy Mechanical Flow Meter For Alkali Medium

High Accuracy Mechanical Flow Meter for Alkali Medium

The standard variable area flowmeter is composed of a measuring tube and a on-site indicator. On-site indicator can be optional to install an additional electric component, which is suitable to measure liquid and gas.
This variable area flowmeter adopts the variable-area measuring principle and the measuring component is composed of a conical measuring tube and a floater. The floater can move up and down freely in the conical measuring tube, to change the flow area in the tube. The vertical position of the floater in the conical measuring tube will change with the change of flow, the floater position will be transmitted to the indicator dial via magnetic transmission system, and it can indicate the flow value on site, and also output signal to realize remote display and control.

This variable area flowmeter can be widely used in the flow measuring process of complicated and severe environmental conditions such as petroleum, chemical engineering, power generation, pharmaceuticals, food and water treatment industries, as well as various medium conditions.

Specifications
Measuring range

Water (20ºC)   6~150000L/h

Air (101.3kPa 20ºC) 0.05~4000m3/h
Measuring range ratio 10:1 (20:1 for special type)
Accuracy

1.5 grade

1.0 grade
Working Pressure

DN15~DN50   PN4.0MPa (25MPa for special type)

DN80~DN100    PN1.6MPa (16MPa for special type)
Jacket pressure rating 1.6MPa
Media Temperature

Sandard Type: -80ºC~+220ºC 

Hgh temperature type: 400ºC

Lning PTFE type: ≤85ºC
Ambient Temperature

Pinter type: -40ºC~+120ºC

Eectric remote transmission type: -30~+65ºC,
Media Viscosity

DN15: ≤5mPa.s (H15.1~H15.3): ≤30mPa.s (H15.4~H15.9)

DN25: ≤250mPa.s 

DN50~DN150: ≤300mPa.s
Liquid crystal display (LCD)

Idication range for instantaneous flow rate: 0~50000.

Idication range for accumulative flow rate: 0~99999999. 
Output

Sandard signal: two-wire 4~20mA 

Pulse signal: minimum interval is 50ms  
Alarm output

Instantaneous flow rate alarm for upper limit or lower limit.   

Sandard type: open-collector output (MAX100mA, 30VDC Inner impedance 100Ω.

Secial type: relay output (The maximum contact capacity is 5A AC250V)
Power supply

Sandard type: DC24V (DC10.8V~DC36V) 

AC type: AC220V (AC85V~AC265V)
Connection type

Sandard type: DIN2501 flange    
Secial type: The flange standard should be provided by the user.    
Treaded connection type: DIN11851 or designated by the user
Electrical Interface M20×1.5, PG11,1/2″NPT15
Protection Grade

IP6516, explosion-proof sign:

Intrinsic safety type: ExiaIICT3~6    
Flame-proof type: ExdIIBT3~6

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