GESTRA NRG 16-19 Скачать руководство пользователя

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Explanatory Notes

– continued –

Function

The following electrodes can be used for monitoring steam traps:

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

loss of live steam

(electrode exposed or immerged).

The measuring electrode

NRG 16-27, NRG 16-28

works according to the conductivity measurement

principle and detects steam loss (electrode exposed). The equipment is also equipped with a tempe-

rature sensing element PT 1000 for measuring the temperature of the condensate. The measuring

electrode is either screwed into the steam trap to be monitored or in the separate test chamber

VKE

16-1

VKE 16 A

mounted upstream of the steam trap.

The measuring electrode

NRG 16-19

works according to the conductivity measurement principle, too.

Depending on the installation the electrode detects either loss of live steam or banking-up of conden-

sate, see

Fig. 11

(top). The measuring electrode is screwed into the test chamber

VKE 16-1, VKE 16 A

(steam loss) or into the test chamber

VKE 26

(banking-up of condensate).

The test chamber

VKE 16-1, VKE 16 A

can be installed upstream of any type or make of steam trap.

With float traps the test chamber

VKE 26

is screwed on top into the vent hole. The air balance pipe is

connected to the test chamber.
The test station NRA 1-3 evaluates the signals coming from the measuring electrodes and indicates

banking-up of condensate, steam loss and malfunctions. The level switch NRS 1-2 can also be

connected to the measuring electrode NRG 16-19.

Description

A faulty steam trap can cause banking-up of condensate or steam loss.
The measuring electrode, which is screwed into the steam trap or a test chamber, detects malfunc-

tions in traps.
The test station NRA 1-3 evaluates the signals coming from the measuring electrodes and is designed

for the connection of up to max. 16 measuring electrodes.

Содержание NRG 16-19

Страница 1: ...ctrode 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 818725 06 ...

Страница 2: ...nsions of NRG 16 19 NRG 16 27 NRG 16 28 10 Dimensions of test chamber VKE 16 1 11 Dimensions of test chamber VKE 16 A 12 Dimensions of test chamber VKE 26 13 Dimensions of NRG 16 28 for Rhombusline steam traps 13 Technical Data VKE 16 1 VKE 16 A VKE 26 Danger 14 VKE 16 1 VKE 16 A 14 VKE 16 1 VKE 16 A Design with flanged ends 14 VKE 16 1 Design with screwed socket ends 14 VKE 16 1 Design with socke...

Страница 3: ... 27 NRG 16 28 pin assignment 19 Commissioning 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 Contents continued Page ...

Страница 4: ...rode test chamber and steam trap become hot during operation Touching the hot equipment presents the risk of severe burns to hands and arms Installation and maintenance work should only be carried out when the system is cold Before servicing the equipment or undoing flanged connections or sealing plugs make sure that all connected lines are depressurized 0 bar and cooled down to room tempe rature ...

Страница 5: ... chamber VKE 26 1 Installation manual PED Pressure Equipment Directive The equipment fulfils the requirements of the Pressure Equipment Directive PED Applicable with fluids of group 2 With CE marking except for equipment according to section 4 3 of the PED ATEX Atmosphère Explosible According to the European Directive the equipment must not be used in explosion risk areas Important Notes continued...

Страница 6: ...y measurement principle too Depending on the installation the electrode detects either loss of live steam or banking up of conden sate see Fig 11 top The measuring electrode is screwed into the test chamber VKE 16 1 VKE 16 A steam loss or into the test chamber VKE 26 banking up of condensate The test chamber VKE 16 1 VKE 16 A can be installed upstream of any type or make of steam trap With float t...

Страница 7: ... connection NRG 16 19 Connecting line made from PTFE 2 m long 2 x 1 5 mm2 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 NRG 16 19 IP 52 to DIN EN 60529 Ambient temperature at terminal box Max 80 C Weight Approx 0 3 kg Technical Data Gylon is a registered trademark of Garlock GmbH Neuss Corrosion resistance When used for its intended ...

Страница 8: ...izes DN 15 20 25 1 Available on request DN 40 50 1 2 Connection of electrode Screwed 3 8 to ISO 228 1 Materials VKE 16 A Enclosure 1 4571 Flanges 1 4571 Connections Flanges DIN PN 40 Screwed sockets R and NPT thread Nominal sizes DN 15 20 25 1 Available on request DN 40 50 1 2 Connection of electrode Screwed 3 8 to ISO 228 1 Test chamber VKE 26 Pressure temperature ratings Service pressure barg 40...

Страница 9: ...me plate of NRG 16 27 NRG 16 28 Equipment designation Manufacturer Specification of end connection Protection Equipment designation Manufacturer Specification of end connection Protection Fig 3 Name plate of test station Notice The body of test chamber VKE 16 A bears the stamp equipment number PN 30 bar TN 230 C ...

Страница 10: ...tring Fig 6 NRG 16 27 Technical Data continued Dimensions of NRG 16 19 NRG 16 27 NRG 16 28 Fig 5 NRG 16 19 Connector 3 8 to ISO 228 1 Joint ring 22 mm A F approx 32 NRG 16 28 Connector 3 8 to ISO 228 1 Joint ring 30 mm A F approx 126 approx 35 Electrode tube Measuring tube approx 80 approx 45 approx 137 27 mm A F Joint ring Connector M24 x 1 5 ...

Страница 11: ... size mm 15 20 25 40 50 15 20 25 40 50 inch 1 1 2 1 1 2 Length L 150 150 160 on request 95 on request A 80 NRG 16 19 130 NRG 16 27 80 NRG 16 19 130 NRG 16 27 Space required for servicing S 40 NRG 16 19 50 NRG 16 27 40 NRG 16 19 50 NRG 16 27 Height H1 93 93 H2 118 118 Fig 7 L A S H 1 H 2 Horizontal installation left right ...

Страница 12: ... VKE 16 A Dimensions Designs Flanged to DIN Nominal size mm 15 20 25 40 50 inch 1 1 2 Length L 160 160 160 200 230 A 90 NRG 16 19 130 NRG 16 27 100 150 Space required for servicing S 40 NRG 16 19 50 NRG 16 27 Height H1 90 115 H2 143 186 Fig 8 L A S H 1 H 2 ...

Страница 13: ...Data continued Dimensions of test chamber VKE 26 Fig 9 Dimensions of NRG 16 28 for Rhombusline steam traps Fig 10 Electrode NRG 16 28 5 0 m m S p a c e r e q u i r e d f o r s e r v i c i n g 40 72 27 84 37 10 2 70 ...

Страница 14: ...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 7 and Fig 8 4 Remove plastic plugs They are only used as transit protection 5 Clean seating surfaces of both flanges 6 Install steam trap VKE 16 1 Design with screwed socket ends 1 Observe correct po...

Страница 15: ...t required VKE 16 1 Design with butt 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 7 and Fig 8 4 Remove plastic plugs They are only used as transit protection 5 Clean butt ...

Страница 16: ...rew in the measuring electrode 1 Check sealing surfaces of the steam trap and the test chamber 2 Put joint ring onto the seating surface of the electrode Use only the joint ring supplied with the electrode 3 Screw the measuring electrode into the steam trap or test chamber and tighten it The torques required for tightening when cold are NRG 16 19 60 Nm NRG 16 27 60 Nm NRG 16 28 75 Nm Attention n T...

Страница 17: ...00 m abgeschirmtes Kabel Prüfstation NRA 1 3 Alarm oder CANBus Elektrode NRG 16 19 NRG 16 27 Elektrode NRG 16 28 Remote monitoring with Universal Test Chamber Steam trap e g UNA 14 UNA 16 Steam trap Screened cable max 100 m long Electrode NRG 16 19 NRG 16 27 Electrode NRG 16 19 NRG 16 27 VKE 16 1 VKE 16 A Test station NRA 1 3 VKE 26 with NRG 16 19 NRG 16 27 Optional plant temperature max 16 test c...

Страница 18: ...lex 110 CH manufactured by LAPP 2 x 0 5 mm2 Max cable length between measuring electrode and test station NRA 1 3 100 m NRG 16 27 NRG 16 28 Use screened five core cable e g Ölflex 110 CH manufactured by LAPP 5 x 0 5 mm2 Max cable length between measuring electrode and test station NRA 1 3 100 m Please connect the screen to the measuring electrode Pre assembled connecting cables with connector of v...

Страница 19: ...site Chassis blue Approx 2 m PTFE cable Electrode NRG 16 19 4 4 3 3 F F 1 1 F F 5 5 F F 2 2 Fig 13 Test station NRA 1 3 Level switch NRS 1 2 Fig 12 Coupler Measuring electrode Connector pin assignment 1 Measuring electrode 2 Temperature sensor 3 Temperature sensor 4 Temperature sensor 5 Chassis Connecting cable Coupler ...

Страница 20: ...e lines upstream and downstream of the equipment are not under pressure The measuring electrode test chamber and steam trap are hot during operation This presents the danger of severe burns to hands and arms Installation and maintenance work must only be carried out when the system is cold Before servicing the equipment or undoing flanged connections or sealing plugs make sure that all connected l...

Страница 21: ... 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 The equipment must be disposed of in accordance with statutory waste disposal provisions Removing and disposing of measuring electrode NRG 16 19 NRG 16 27 and NRG 16 2 ...

Страница 22: ...22 For your notes ...

Страница 23: ...23 For your notes ...

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