Flowserve NRGT26-1 - Manual (Page 6)

6
See Fig. 2
NRGT 261, NRGT 261S
Technical Data
Type Approval N°
NRGT 26-: TÜV · WRS · 02-39
NRGT 26-S: LR 98/20075 RINA ELE/30298/2
GL 99249-96HH BV 067/AO BV
NKK A-556 DNV A-8394
KR HMB 0690-MS002
Max. service pressure
32 bar g at 238 °C
Connections
NRGT 26-: Screwed ¾" BSP, DIN ISO 228-
NRGT 26-S: Flanged DN 50, PN 40, DIN 2635
Materials
Case: Die cast aluminium 3.26 (G AlSi8Cu3)
Stem: S. S. .457 CrNiMoTi7-2-2
Flange: Forged steel .0460 P250GH
Measuring electrodes: S. S. .457 CrNiMoTi7-2-2
Electrode insulation: PTFE
Spacer disc: PTFE (design for marine applications)
Mains supply
230 V +/- 0 %, 50/60 Hz
5 V +/- 0 %, 50/60 Hz (option)
2 24 V +/- 0 %, 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
000
00
200
300
400
500
2000 275
375
475
575
675
775
875
975
075
75
275
375
475
975 36
420
526
63
737
842
947
053
57
262
366
47
579
2099 373
477
583
688
794
899
004
0
24
39
423
528
636
256
NRGT 261 S
3 Max. installation length at 238 °C
4 Measuring range
1 2 3 4
See Fig. 3