Related Manuals for MEDENUS RS 255
Summary of Contents for MEDENUS RS 255
- Page 1 Gas pressure regulator RS 254 / RS 255 Operating and Maintenance Instructions © .201...
- Page 2 Reprint prohibited! Subject to technical modifications!
-
Page 3: Table Of Contents
7.1 Gas Pressure Regulator 7.2 Safety Shut-Off Valve 8 Replacement and Disposal 9 Spare Parts 9.1 Spare Parts Drawing RS 254 / RS 255 DN 25 - DN200 9.2 Optional Spare Parts Drawing 9.3 Parts for Maintenance Work Main diaphragm and O-ring... -
Page 4: General Information
The figures in these instructions are provided for basic understanding and may differ from the actual design. The contents in these instructions are protected by copyright. They may be used as part of operating the device. Any other use and / or reproduction is not permitted without prior authorization by the MEDENUS Gas- Druckregeltechnik GmbH. -
Page 5: Symbols, Notes
1.2 Symbols, Notes The instructions contain safety instructions marked with symbols to indicate possible consequences in case of non- observance: This combination of symbol and signal word indicates a potentially hazardous situation which may result in light injuries, damage to the device, the breakdown NOTICE of the system, and material or environmental damage if not avoided. -
Page 6: Safety Instructions
Using the device under different operating conditions must be agreed upon in consultation with MEDENUS Gas-Druckregeltechnik GmbH. The mechanical components of the device do not have any potential ignition sources of their own nor any hot surfaces and are thus not within the scope of 2014/34/EU (ATEX). -
Page 7: Safety In Operation
(alarm and hazard prevention plan). In particular, the following applies: • The operator is obliged to perform work on MEDENUS devices during the warranty period only © after consultation with the manufacturer. Otherwise the claims under warranty will become void. -
Page 8: Transport, Storage And Packaging
4 Transport, Storage and Packaging 4.1 Transport The device is delivered with flange protective caps. They must be removed prior to installation. Note Make sure that the device is transported horizontally using suitable lifting gear. The device must be handled carefully and secured against impact and shock. In case of transport damage, we will require the following information from the type plate affixed to the device: •... -
Page 9: Mounting And Commissioning
5 Mounting and Commissioning 5.1 Safety Instructions and Preparation Prior to starting work on pressurised components: DANGER • Close all connections to the gas line. • Depressurise all pressurised components. Also discharge residual energies. • Defective components that are subject to pressure in operation must be replaced immediately by a suitable qualified person. -
Page 10: Mounting
• In all installation positions other than horizontal, Note MEDENUS Gas-Druckregeltechnik GmbH must be consulted. • The tightening torques of the flange connections and additional information is available in Note the DVGW GAS information issue no. 19 (Flanged Connections in Gas Installations). -
Page 11: Leakage Test (Test For External Leakage)
5.3 Leakage Test (Test for External Leakage) The devices are subjected to a strength and leakage test ex works at MEDENUS Gas-Druckregeltechnik GmbH. The leakage test in the fully assembled system must be performed prior to commissioning and following maintenance work. -
Page 12: Initial Commissioning / Recommissioning
1 "General Information" and the system operator's work instruction. The devices delivered by MEDENUS Gas-Druckregeltechnik GmbH are factory-set to the operating data specified by the customer. This data is listed on the Acceptance Test Certificate (ATC)* and the type plate. - Page 13 • For the functional test of the GPR, let gas flow via the discharge line (venting) 5.21 (item 5.11) to the outside atmosphere and read the set regulating pressure on the outlet pressure gauge (item 5.12). • It may be necessary to correct the setpoint of the outlet pressure once again. This is done by turning the GPR setpoint setting screw (item 5.22) to the right or left, in order to increase and decrease the setpoint, respectively, after removal of the GPR sealing cap (item 5.21).
-
Page 14: Decommissioning
5.5 Decommissioning For decommissioning, please refer to the documents listed under item 1 "General Information" and the system operator's work instruction. Procedure (fig. 5.1) • Slowly close the outlet shut-off valve (item 5.13) or • Close the ball valves upstream of the valves and fittings (item 5.01). •... -
Page 15: Maintenance Procedure
6.2 Maintenance Procedure The maintenance procedure is described in detail step-by-step in our video tutorial and our pictorial descriptions. Instructions for our products can be found in the download area of our website. Should you have any problems, please feel free to contact us directly. NOTICE If components have been removed, make sure they are mounted correctly, reinstall all fastening elements and observe the screw tightening torques. -
Page 16: Table Of Screw Tightening Torques M
6.3 Table of Screw Tightening Torques M RS 254 / 025 RS 254 / 150 RS 254 / 050 RS 254 / 200 Item no. Exception RS 254 / 080 RS 255 / 080 RS 254 / 100 RS 255 / 100... -
Page 17: Troubleshooting
7 Troubleshooting 7.1 Gas Pressure Regulator Description of the error Possible cause Elimination Check valve plate (seal) and valve seat for damage Actuator dirty or damaged and dirt, replace valve plate, if necessary Static sealing elements defective Replace O-rings Closing pressure too Clamping of the compensating high diaphragm has come off... -
Page 18: Safety Shut-Off Valve
(item 5.28) Difference between response pressure Correct response pressure settings consider and operating pressure or between required re-engagement differential (see RS 254 / upper and lower response pressure is 255 product overview) too small Only in case of underpressure... -
Page 19: Replacement And Disposal
Metals should be scrapped • The remaining components should be disposed of after sorting according to material. For technical information, please contact our customer service: MEDENUS Gas-Druckregeltechnik GmbH Phone +49 (0) 2761 / 82788-0 E-Mail info@medenus.de Saßmicker Hammer 40 Fax +49 (0) 2761 / 82788-9 Internet www.medenus.de... -
Page 20: Spare Parts
9 Spare Parts 9.1 Spare Parts Drawing RS 254 / RS 255 DN 25 - DN200 1x O-ring at RE 160 / 205 / 275 / 385 **) 4x O-ring at RE 320 / 390 8x O-ring at RE 485 fig. -
Page 21: Optional Spare Parts Drawing
9.2 Optional Spare Parts Drawing fig. 9.2 fig. 9.3 RS 254 / 255 shown with HDS high-pressure RS 254 / 255 shown with safety diaphragm screw spindle Noise reduction fig. 9.4 RS 254 / 255 shown with noise reduction ©... -
Page 22: Parts For Maintenance Work
RS 254 / 080; RS 254 / 100; RS 255 / 050 pcs. RS 254 / 050 RS 255 / 080; RS 254 / 150; RS 255 / 100; RS 254 / RE 385 / RE 385 / RE 160... -
Page 23: Valve Plate Ssv / Diaphragm Ssv
Item Name Number Exception RS 254 / 025 RS 254 / 080 RS 255 / 080 RS 254 / 150 RS 254 / 200 RS 254 / 050 RS 254 / 100 RS 255 / 100 RS 255 / 050... -
Page 24: Safety Diaphragm
RS 254 / 080; RS 254 / 100; RS 255 / 050 pcs. RS 254 / 050 RS 255 / 080; RS 254 / 150; RS 255 / 100; RS 254 / 200 RE 385 / RE 205 RE 320... -
Page 25: Notes
10 Notes ................ -
Page 26: Declaration Of Conformity
DIN EN 14382 (01.07.2009) Marking (PIN) according to Pressure Equipment Directive and Gas Appliances Regulation CE-0085AQ0882 model R 254 / RS 254 / RP 254 / RSP 254 CE-0085AQ0883 model R 255 / RS 255 / RP 255 / RSP 255 -0085 The quality assurance system (module D) is monitored by the DVGW. - Page 27 In the download area of our homepage, this document is available in different languages. You can use the following QR codes and links to go directly to this document in your language. German: http://medenus.de/files/upload/ downloads/RS254/ BWA_RS254_255_de.pdf English: http://medenus.de/files/upload/ downloads/RS254/ BWA_RS254_255_en.pdf...
- Page 28 MEDENUS Gas-Druckregeltechnik GmbH Fon +49 (0)2761 82788-0 Fax +49 (0)2761 82788-9 Saßmicker Hammer 40 / D-57462 Olpe info@medenus.de www.medenus.de...
Need help?
Do you have a question about the RS 255 and is the answer not in the manual?
Questions and answers