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Products // Positive Displacement Flowmeter  
APF830 Series

The APF830 series is a positive displacement meter designed with a pair of tooth profile helical rotors, which displays totalizer with a mechanical pointer and provides 4-20 mA or pulse output. It has the advantages of no pulsation, low noise, high accuracy, high reliability, large measuring scope and strong environment adaptability.
APF830 series helical rotar flowmeter could be used in commercial measurement and engineering management control in petrochemical, metallurgical, electronics and other industries.

 Pipe size : 25-300 mm (1"-12")  
 Fluid viscosity up to 20,000 cP  
 High measurement accuracy, wide flow range and good repeatability  
 Helical rotors rotate evenly, with little vibration and long lifetime  
 Insensitive to viscosity variations in the measured liquid  
 6 Digit totalizer + 2 digit pointer  
 High accuracy +/-0.5% of reading (or +/-0.2% of reading)  
 4-20 mA or pulse output


Size: Process Connection:
25, 40, 50, 80, 100, 150, 200, 250, 300 mm Flange
Measuring Range: Flange Type:
0.5-950 m3/hr JIS 10K / JIS 20K / JIS 40K
Accuracy: ANSI 150# / ANSI 300# / ANSI 600#
+/-0.5% of reading (Standard) DIN PN10 / PN16 / PN25 / PN40
+/-0.2% of reading (Option) Mechanical Register:
Repeatability: Totalizer (Non-Reset)
+/-0.1% of reading (Standard) 6 Digit + 2 Pointer
+/-0.07% of reading (Option) Totalizer (Resettable)
Material: Upper Counter
Body & Cover & Flange 6 Digit + 2 Pointer (Non-Resettable)
Cast Steel / S.S. 304 / S.S. 316 Lower Counter
Helical Rotor 4 Digit + 2 Pointer (Resettable)
Cast Iron / S.S. 304 / S.S. 316 Resolution:
O-Rings 0.1 Liter (25 mm)
Viton 1 Liter (40-80 mm)
Shaft Sleeve 10 Liter (100-300 mm)
Ball / Ceramic Bearing Current Output:
Register Housing 4-20 mA (2 wires)
Aluminum Alloy Load
Max. Viscosity: Rohm=(VDC-9) * 50
0.3-400 cP (Standard) Pulse Output:
400-2000 cP (Option) Open Collector (3 wires, Unscaled Pulse)
Operating Temp. : Rating
-10~120 oC (-10~80 oC with Output) 11-26 VDC, 50 mA Max. 
-10~120 oC with Output (Option) Cable Entry:
-10~250 oC (Option) M20 (Standard) / 1/2" NPTF (Option)
Ambient Temperature: Protection Class:
-25~60 oC IP65
Max. Pressure: Intrinsically Safe, Eex ia IIC T6 
63 kgf/cm2 (<=DN100) Explosion Proof, Ex d IIB T6 
25 kgf/cm2 (>=DN150) Optional:
Painting: Heating Jacket (Hot oil or Steam)
Body, Register Strainers, T-Type or Y-Type
Red lead + Alia Blue Strainer with Air Eliminator, Flange End
Red lead + Alia Blue
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