Technical Data

Service pressure
NRG 16-50, PN 40, 32 bar at 238 °C
NRG 17-50, PN 63, 60 bar at 275 °C
NRG 19-50, PN 160, 100 bar at 311 °C
NRG 111-50, PN 320, 183 bar at 357 °C
Mechanial connection
Screwed G ¾ A, ISO 228 (NRG 16-50, NRG 17-50,
NRG 19-50)
Screwed G 1 A, ISO 228 (NRG 111-50)
Materials
Sheath: 1.4301 X5 CrNi18-10
Screw-in body: 1.4571 X6 CrNiMoTi 17-12 -2
(NRG 16-50, NRG 17-50, NRG 19-50)
Screw-in body: 1.4529,
X1NiCrMoCuN25-20-7 (NRG 111-50)
Measuring electrode: 1.4571 X6 CrNiMoTi 17-12 -2
(NRG 16-50, NRG 17-50, NRG 19-50)
Measuring electrode: 1.4122,
X39CrMo17-1 (NRG 111-50)
Electrode tip: 1.4401 X5 CrNiMo 17-12-2
Electrode insulation: Gylon® (NRG 16-50, NRG 17-50,
NRG 19-50)
Electrode insulation: special ceramic (NRG 111-50)
NRG 1...-50: Four-pole connector: polyamid (PA)
NRG 1...-50F: Terminal box 3.2161 G AlSi8Cu3
Lengths supplied
500 mm, 1000 mm, 1500 mm, 2000 mm, 2500 mm,
3000 mm
ph value
Max. admissible: 10 (NRG 111-50)
Electrical connection
NRG 1...-50: Four-pole connector, cable gland M16
NRG 1...-50F: Aluminium terminal box, cable gland M20
Protection
IP 65 to DIN EN 60529
Max. admissible ambient temperature
70 °C
Weight
Approx. 1.2 kg (without extension)
(NRG 16-50, NRG 17-50, NRG 19-50)
Approx. 1.8 kg (without extension)
(NRG 111-50)