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Related Manuals for GESTRA NRG 16-19
Summary of Contents for GESTRA NRG 16-19
- Page 1 Measuring electrode NRG 16-19 Measuring electrode NRG 16-27 Measuring electrode NRG 16-28 Test set VKE 16-1 Test set VKE 16 A Test set VKE 26 NRG 16-19 NRG 16-27 NRG 16-28 VKE 16-1 VKE 16 A VKE 26 Original Installation Instructions...
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Page 2: Table Of Contents
VKE 16-1 Design with socket-weld ends ....................15 VKE 16-1 Design with butt-weld ends ....................15 Heat treatment of welds........................15 VKE 26 ..............................15 NRG 16-19, NRG 16-27, NRG 16-28 .....................16 Tools ..............................16 Examples of installation NRG 16-19, NRG 16-27, NRG 16-28 ...............17... - Page 3 VKE 16-1, VKE 16-A, VKE 26 .........................20 NRG 16-19, NRG 16-27, NRG 16-28 .....................20 Applying mains voltage .........................20 Maintenance, removal and decommissioning Maintenance interval ..........................20 Removing and disposing of measuring electrode NRG 16-19, NRG 16-27 and NRG 16-2 ...... 21...
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Page 4: Important Notes
Usage for the intended purpose Use the electrodes NRG 16-19, NRG 16-27, NRG 16-28 and the test chambers VKE 16-1, VKE 16 A and VKE 26 in conjunction with a suitable detector (e. g. test station NRA 1-3) only for monitoring steam traps for banking-up of condensate and loss of live steam. -
Page 5: Ped (Pressure Equipment Directive)
For details on the conformity of our equipment according to the European Directives see our Declaration of Conformity or our Declaration of Manufacturer. The current Declaration of Conformity / Declaration of Manufacturer are available in the Internet under www.gestra.com/documents or can be requested from us. Explanatory Notes Scope of supply... -
Page 6: Description
Measuring electrodes NRG 16-27, NRG 16-28 for detecting loss of live steam (electrode exposed) and banking-up of condensate (by measuring the temperature of the condensate) or Measuring electrode NRG 16-19 for detecting banking-up of condensate or loss of live steam (electrode exposed or immerged). -
Page 7: Technical Data
Electrode voltage 12 V Electrical connection NRG 16-19: Connecting line made from PTFE, 2 m long, 2 x 1.5 mm NRG 16-27, NRG 16-28: M 12 sensor connector, 5 poles, A coded Protection NRG 16-27, NRG 16-28: IP 65 to DIN EN 60529... -
Page 8: Test Chamber Vke 16-1, Vke 16-A
Technical Data – continued – Test chamber VKE 16-1, VKE 16 A Designs Electrode connection in flow direction to the left or to the right. Please state when ordering. Pressure / temperature ratings Service pressure barg 28.4 23.3 23.1 Related temperature °C Materials VKE 16-1 Materials VKE 16 A... -
Page 9: Name Plate / Marking
Technical Data – continued – Name plate / marking Fig. 1 Equipment designation on hexagon part of electrode Equipment designation Specification of end connection Protection Manufacturer Equipment designation Specification of end connection Protection Manufacturer Fig. 2 Name plate of NRG 16-27, NRG 16-28 Fig. -
Page 10: Dimensions Of Nrg 16-19, Nrg 16-27, Nrg 16-28
Technical Data – continued – Dimensions of NRG 16-19, NRG 16-27, NRG 16-28 Connector Joint ring 22 mm A. F. " to ISO 228-1 Fig. 5 NRG 16-19 Connector Anschlussstecker Connector Anschlussstecker Joint ring Dichtring Dichtring Joint ring 30 mm SW 30 A. -
Page 11: Dimensions Of Test Chamber Vke 16-1
[mm] Nominal size [inch] ½ ¾ 1½ ½ ¾ 1½ Length ~80 (NRG 16-19) ~80 (NRG 16-19) ~130 (NRG 16-27) ~130 (NRG 16-27) Space required ~40 (NRG 16-19) ~40 (NRG 16-19) on request on request for servicing ~50 (NRG 16-27) -
Page 12: Dimensions Of Test Chamber Vke 16 A
Dimensions of test chamber VKE 16 A Fig. 8 Designs Dimensions Flanged to DIN [mm] Nominal size [inch] ½ ¾ 1½ Length ~90 (NRG 16-19) ~100 ~130 (NRG 16-27) ~150 Space required ~40 (NRG 16-19) for servicing ~50 (NRG 16-27) ~115 Height ~143 ~186... -
Page 13: Dimensions Of Test Chamber Vke 26
Technical Data – continued – Dimensions of test chamber VKE 26 Fig. 9 Dimensions of NRG 16-28 for Rhombusline steam traps Electrode NRG 16-28 Fig. 10... -
Page 14: Installation
Installation VKE 16-1, VKE 16 A, VKE 26 Danger Risk of death, severe injuries, damage or destruction caused by the explosion of explosive mixtures! An electrically insulated installation between pipe flanges may result in electrostatic charges. If the equipment is used in explosion-risk areas make sure that any electrostatic charges that may be generated will be discharged (earthing). -
Page 15: Vke 16-1 Design With Socket-Weld Ends
Installation – continued – VKE 16-1 Design with socket-weld ends 1. Observe correct position of installation. 2. Observe direction of flow. The flow arrow is on the trap body. 3. Consider space required for servicing. When the test chamber is installed a minimum space is required for removing the measuring electrode (see table for Fig. -
Page 16: Nrg 16-19, Nrg 16-27, Nrg 16-28
The steam traps can be installed in horizontal pipes or in vertical pipes with downward flow. Before screwing the measuring electrodes NRG 16-19, NRG 16-27 into the left or right side of the test chamber VKE 16-1, VKE 16 A remove the sealing plug. -
Page 17: Examples Of Installation Nrg 16-19, Nrg 16-27, Nrg 16-28
Installation – continued – Examples of installation NRG 16-19, NRG 16-27, NRG 16-28 Remote Monitoring Rhombusline or UNA 45, 46, 46A Prüfstation NRA 1-3 max. 100 m abgeschirmtes Kabel Elektrode NRG 16-28 max. 16 Kondensat- ableiter Typ Rhom- busline, z.B. MK 45 und... -
Page 18: Wiring
Wiring Connecting cables for measuring electrodes NRG 16-19 The measuring electrode comes with a 2 m long connecting cable and can be directly connected to the test station NRA 1-3. To extend the cable use screened two-core cable, e. g. Ölflex 110 CH, manufactured by LAPP, 2 x 0.5 mm... -
Page 19: Measuring Electrodes Nrg 16-27, Nrg 16-28 Pin Assignment
Measuring electrodes NRG 16-27, NRG 16-28 pin assignment Test station NRA 1-3 Level switch NRS 1-2 Intermediate distributor may be fitted on site Chassis (blue) Approx. 2 m PTFE cable Electrode NRG 16-19 Fig. 12 Connecting cable Coupler Measuring electrode Connector pin assignment... -
Page 20: Commissioning
VKE 16-1, VKE 16 A, VKE 26 Make sure that the flanged connections of the test chamber are firmly bolted together and leakproof. NRG 16-19, NRG 16-27, NRG 16-28 Before commissioning please check: Are the measuring electrodes /temperature sensors wired in accordance with the wiring diagram? Applying mains voltage Apply supply voltage to the test station. -
Page 21: Removing And Disposing Of Measuring Electrode Nrg 16-19, Nrg 16-27 And Nrg 16-2
Removing and disposing of measuring electrode NRG 16-19, NRG 16-27 and NRG 16-2 1. Detach measuring electrode (NRG 16-19) or remove the terminal box (NRG 16-27, NRG 16-28). 2. Before removing the equipment make sure that it is neither hot nor under pressure. - Page 22 For your notes:...
- Page 23 For your notes:...
- Page 24 Agencies all over the world: www.gestra.de GESTRA AG Münchener Straße 77 28215 Bremen Germany Telefon +49 421 3503-0 Telefax +49 421 3503-393 E-mail info@de.gestra.com www.gestra.de 818725-06/10-2017cm (808741-06) · GESTRA AG · Bremen · Printed in Germany...
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