burkert定位器原装进口，品质保证

Type  8792  8793  8794

Technical data
Material
Body
Seal
Aluminium plastic-coated
EPDM, NBR, FKM
Operating voltages 24 V DC ± 10 %
Residual ripple Max. 10 %
Setpoint setting 0/4 … 20 mA and 0 … 5/10 V
Input resistance 0/4 … 20 mA: 180 Ω
0 … 5/10 V: 19 kΩ
Analogue feedback 4 … 20 mA, 0 … 20 mA
0 … 10 V, 0 … 5 V
Binary input Galvanically isolated, 0 … 5 V = log "0", 10 … 30 V = log "1"
Binary output
Current limit
2 Outputs (optional), galvanically separated
100 mA, Output will be synchronised when overloaded
Control medium
Dust concentration
Particle density
Pressure condensation point
Oil concentration
neutral gases, air, quality classes acc. to ISO 8573-1
Class 7 (< 40 μm particle size)
Class 5 (< 10 mg/m3)
Class 3 (<- 20 °C)
Class X (< 25 mg/m3)
Ambient temperature - 10 to + 60 °C (without Ex-Approval)
0 to + 60 °C (with ATEX / IECEx-Approval)
Pilot air ports Threaded ports G ¼
Supply pressure 1.4 … 7 bar1) 2)
Air supply filter Exchangeable (aperture size ~0.1 mm)
Actuator system
Air capacity
Single and double-acting to 150 lN/min.
50 lN/min (with 1.4 bar2)) for aeration and ventilation
150 lN/min (with 6 bar2)) for aeration and ventilation
(QNn = 100 lN/min (acc. to the definition with decrease in
pressure from 7 … 6 bar absolute)
Position detection module Potentiometer, max. angle 180o
Stroke range valve spindle Min. 30o on the rotary shaft, depending on lever