Flowserve NRGT26-1 Bedienungsanleitung

1GESTRA Steam SystemsGESTRA NRGT 261NRGT 261SInstallation Instructions 81021304Level electrode NRGT 26-1, NRGT 26-1 S

10GESTRA Steam S ystemsGESTRANRGT 26-1SGESTRA Steam SystemsGESTRANRGT 26-1DesignFig. 4Fig. 6N 1N 100.5∅ 33 ¾" BSP DIN 228NRGT 261, NRGT 261SA.

11Functional ElementsNRGT 261, NRGT 261SNHGESTRANRGT 26-1GESTR A Ste am Systems12346789051 23 45QLFig. 8Fig. 7H I J IKLM N OPQRUT SShown: 24, 115, 2

12A Thermal insulation provided on site, d = 20 mm (without thermal insulation of steam boiler)B Seating surfaceC Joint ring (of stainless steel 1.

13Attention The seating surfaces of the threads or flange provided on the vessel or boiler standpipe must be accurately machined. Fig. 6 Do not

14Installation – continued –1 DN 100Fig. 11∅ 202024.5 24.5∅ 20Fig. 9 Fig. 10 DN 50≤ 90° DN 50¾" BSP¾" BSP¾" BSP ¾" BSP≥ 10∅ 20

151 Flange PN 40, DN 50 (2"), DIN 2527 Flange PN 40, DN 100 (4"), DIN 25272 For the approval of the boiler standpipe with connecting flang

16WiringUse multi-core flexible control cable with min. conductor size 1.5 mm2 for wiring. 1. Undo screws H, remove housing cover J. Fig. 7 2. Unscr

17Basic SettingFactory setting NRGT 261The compact system is delivered with the following factory set default values: Measuring range 1300 mm: Sw

181. Fill boiler or vessel with liquid until the lower measuring point is reached.2. Wait until boiler or vessel has reached its service pressure.3.

19OperationOperation in steam and (pressurised) hot water plants in accordance with TRD 401, TRD 602, TRD 604, EN 12952, EN 12953 or other national re

2ContentsUsage for the intended purpose ...

20Operational MalfunctionsIf faults occur that are not listed above, please contact our subsidiary or agency in your country.Fault finding list for tro

21DisposalDecommissioningRemove the level electrode and separate the waste materials in accordance with the material specification. Electronic compone

22Declaration of conformity Dipl.-Ing. Uwe Bledschun Head of the Design Dept.AnnexWe hereby declare that the equipment NRGT 261 and NRGT 261S confor

23For your notes

24Agencies all over the world:www.gestra.de810213-04/1205cm · © 1997 GESTRA AG · Bremen · Printed in GermanyGESTRA Great BritainFlowserve Flow Contro

3WiringNRGT 26-1, NRGT 26-1S ...16W

4Important NotesDangerWhen loosening the electrode steam or hot water might escape. This presents the danger of severe scalds to the whole body.It is

5Explanatory NotesSystem descriptionThe compact system NRGT 26-1 works according to the capacitance measurement principle. The NRGT 26-1 is used for

6See Fig. 2NRGT 261, NRGT 261STechnical DataType Approval N°NRGT 26-1: TÜV · WRS · 02-391NRGT 26-1S: LR 98/20075 RINA ELE/30298/2 GL 99249-96HH

7Corrosion resistanceProvided that the equipment is used for its intended purpose, its safety is not impaired by corrosion.Technical Data – contin

8Technical Data – continued –Name plate / markingFig. 1PN 40PN 40PN 40PN 40IP 65IP 65PmaxPmaxTmaxTmaxNRGT 26-1NRGT 26-1STÜV . WRS.02-391G ¾ 1.4571D

942FlanschPN 40, DN 5062~338140173GESTRA Steam SystemsGESTRANRGT 26-1SG 3/4ISO 228-117314026371Tiefe: 70 mm42GESTRA Steam Sys temsGESTRANRGT 26-1~3383