Flowserve NRGT26-1 Manual de usuario Pagina 6

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See Fig. 2
NRGT 261, NRGT 261S
Technical Data
Type Approval N°
NRGT 26-1: TÜV · WRS · 02-391
NRGT 26-1S: LR 98/20075 RINA ELE/30298/2
GL 99249-96HH BV 10617/AO BV
NKK A-556 DNV A-8394
KR HMB 06190-MS002
Max. service pressure
32 bar g at 238 °C
Connections
NRGT 26-1: Screwed ¾" BSP, DIN ISO 228-1
NRGT 26-1S: Flanged DN 50, PN 40, DIN 2635
Materials
Case: Die cast aluminium 3.2161 (G AlSi8Cu3)
Stem: S. S. 1.4571 CrNiMoTi17-12-2
Flange: Forged steel 1.0460 P250GH
Measuring electrodes: S. S. 1.4571 CrNiMoTi17-12-2
Electrode insulation: PTFE
Spacer disc: PTFE (design for marine applications)
Mains supply
230 V +/- 10 %, 50/60 Hz
115 V +/- 10 %, 50/60 Hz (option)
224 V +/- 10 %, 50/60 Hz (option)
24 V DC
Length supplied / measuring range
NRGT 261
1 Max. installation length at 238 °C
2 Measuring range
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
2000
275
375
475
575
675
775
875
975
1075
1175
1275
1375
1475
1975
316
420
526
631
737
842
947
1053
1157
1262
1366
1471
1579
2099
373
477
583
688
794
899
1004
1110
1214
1319
1423
1528
1636
2156
NRGT 261 S
3 Max. installation length at 238 °C
4 Measuring range
1 2 3 4
See Fig. 3
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