Flowserve NRGS 11-1 - Manual (Page 9)

9
Technical Data
Type Approval N°
NRGS 11-1: TÜV · WRB · 01-388
NRGS 16-1: TÜV · WRB · 01-388
NRGS 16-1 S: GL 99250-96 HH
LR 98/20075
RINA No ELE/30298/1
Max. service pressure
NRGS 11-1:
6 bar g at 159 °C
NRGS 16-1: 32 bar g at 238 °C
NRGS 16-1 S: 32 bar g at 238 °C
Connections
Screwed 1" BSP, DIN ISO 228
Flanged DN 50, PN 40, DIN 2635
Materials
Case:
Die cast aluminium 3.2161 (G AlSi8Cu3)
Stem: S. S. 1.4571 (CrNiMoTi 17 12 2)
Flange: Forged steel 1.0460 (C 22.8)
Measuring electrodes: S. S. 1.4571 (CrNiMoTi 17 12 2)
Electrode insulation:
PTFE
Spacer disc: PTFE
Lengths supplied
1 500 mm
1000 mm
1500 mm
Mains supply
230 V +/- 10 %, 50/60 Hz
115 V +/- 10 %, 50/60 Hz
1 24 V +/- 10 %, 50/60 Hz (option)
Power consumption
5 VA
Fuse
Thermal fuse
T
max
= 102 °C
Sensitivity
Range 1: 10 µS/cm
Range 2: 0.5 µS/cm
Electrode voltage
10 V
ss
Output
4 volt-free relay contacts.
Max. contact rating with a switchting voltage of 24 V, 115 V and 230 V a. c.:
ohmic 4 A, inductive 0.75 A at cos
ϕ 0.5. Max contact rating with a switching
voltage of 24 V d. c.: 4 A
Contact material: silver, hard-gold plated
Explanatory Notes
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