Flowserve NRGS 16-1 User Manual
Page 9
9
Technical Data
Type Approval N°
NRGS 16 -1: TÜV · WRB · 96-388
NRGS 16 -1 S: GL 99250-96 HH
Max. service pressure
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
µ S/cm
Range 2: 0.5
µ S/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
Energizing/deenergizing delay
3 sec., factory set