Oval,Gear,Flow,Meter,Series HDO 25 Ex,Highly,Inflammable,Liquids

Oval Gear Flow Meter Series HDO 25 Ex For Highly Inflammable Liquids

Oval,Gear,Flow,Meter,Series HDO 25 Ex,Highly,Inflammable,LiquidsLiquid Examples:
For flammable mineral oil products, easily flammable hydrocarbons and other chemicals in explosion hazardous area.

Features:

  • Suitable for highly inflammable fluids
  • For high flow rates, temperatures and operating pressures
  • Oval gear principle
  • For thin-bodied and highly viscous liquids
  • Low friction losses
  • High accuracy
  • Displays partial and total volume
  • Suitable for flow rates from 6 l/min to 120 l/min
  • Available in aluminium (Alu) or stainless steel (SS)
  • Explosion-proof in compliance with ATEX Directive 94/9/EC, category 2

Oval,Gear,Flow,Meter,Series HDO 25 Ex,Highly,Inflammable,LiquidsTypes:

  • Type HDO 25 Alu for neutral, easily inflammable liquids
  • Type HDO 25 SS for neutral and aggressive, easily inflammable liquids

Benefit:

  • Convenient, user-friendly display with numeric keypad
  • Simple, modular construction
  • Easy operation
  • Precise measuring at high reproducibility
  • No re-calibration required by and large
  • Low pressure losses
  • Keyboard lock as protection against maloperation
  • Relay module retrofittable at any time

Technical:

HDO 25 Ex
Alu/PPS

HDO 25 Ex
SS/PPS

HDO 25 Ex
SS/SS

Housing:

Aluminium Stainless steel (1.4435) Stainless steel (1.4435)
Rotors: PPS PPS Stainless steel (1.4435)
Shaft: Stainless steel  (1.4435) Stainless steel (1.4435) Stainless steel (1.4435)
Seals: VitonŽ (opt. FEP) VitonŽ (opt. FEP) VitonŽ (opt. FEP)
Range of measurement:
below 5 mPas
above 5 mPas
10 - 100 l/min
6 - 120 l/min
10 - 100 l/min
6 - 120 l/min
10 - 100 l/min
6 - 120 l/min
Viscosity: max. 500.000 mPas max. 500.000 mPas max. 500.000 mPas
Operating pressure: max. 55 / 16 bar max. 55 / 16 bar max. 55 / 16 bar
Accuracy: +/- 0,5% +/- 0,5% +/- 0,5%
Reproducibility: 0,03% 0,03% 0,03%
Temperature: max. 60°C max. 60°C max. 60°C
Connection: G 1 / PN10/16 G 1 / PN10/16 G 1 / PN10/16
Identification      
Operating unit:
Basic flow meter:
II 2 G Ex ib IIA T4
II 2 G c T4 
II 2 G Ex ib IIA T4
II 2 G c T4
II 2 G Ex ib IIA T4
II 2 G c T4