1. Manuals
  2. Brands
  3. MEDENUS Manuals
  4. Controller
  5. R 101
  6. Operating and maintenance instructions manual

MEDENUS R101 Operating And Maintenance Instructions Manual

Gas pressure
Hide thumbs Also See for R101:
Table of Contents

Advertisement

Quick Links

Download this manual
Gas Pressure Regulator
R 101
Operating and Maintenance Instructions
© 11.2023

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the R101 and is the answer not in the manual?

Questions and answers

Related Manuals for MEDENUS R101

Summary of Contents for MEDENUS R101

  • Page 1 Gas Pressure Regulator R 101 Operating and Maintenance Instructions © 11.2023...
  • Page 2 Subject to technical modifications! Reprint prohibited!
  • Page 3 Design of the gas pressure regulator R 101 Sealing cap Adjusting screw Spring plate Diaphragm assembly Spring cap Control spring Pressure plate Diaphragm plate Diaphragm cover Breather connection Diaphragm plate Regulator bottom main diaphragm Impulse connection Disk Piston Actuator Diaphragm cover bottom Intermediate diaphragm Regulator...

  • Page 4: Table Of Contents

    1 General Information 1.1 Warranty and Liability 1.2 Symbols, Notes 1.3 Terms, Abbreviations 2 Application, Characteristics 2.1 Application 2.2 Characteristics 2.3 Types of Models (Options) 3 Avoidance of Foreseeable Misuse 4 Safety Instructions 4.1 Hazards of Handling the Device 4.2 Personnel Requirements 4.3 Country-Specific Requirements 4.4 Handover of the Operating and Maintenance Instructions 4.5 Safety in Operation...
  • Page 5 Declaration of Conformity Notes...

  • Page 6: General Information

    The contents of 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 MEDENUS Gas- Druckregeltechnik GmbH. 1.1 Warranty and Liability...

  • Page 7: 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, if not avoided, may result in minor or moderate injury, damage ATTENTION to the device, the breakdown of the system, and material or environmental damage.

  • Page 8: Application, Characteristics

    2 Application, Characteristics 2.1 Application Gas pressure regulator (GDR), direct-acting (operating without auxiliary power), for systems acc. to DVGW work sheets G 491 (A) and G 600 (A) (TRGI) Particularly suitable for dynamic regulation sections (e.g. gas fireplaces, burner circuits, gas motor operation) Can be used as an equipment component on gas consumption facilities as defined in Regulation (EU) 2016/426.

  • Page 9: 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 covered by the scope of 2014/34/EU (ATEX).

  • Page 10: 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 11: Transport, Storage And Packaging

    6 Transport, Storage and Packaging 6.1 Transport The device is delivered with flange protection 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 impacts and knocks. In case of transport damage, we will require the following information from the nameplate affixed to the device: •...

  • Page 12: Mounting And Commissioning

    7 Mounting and Commissioning 7.1 Safety Instructions and Preparation Prior to starting work on pressurized components: DANGER • Close all connections to the gas line. • Depressurize all pressurized components. Also discharge residual energies. • Defective components charged with pressure in operation must be replaced immediately by an appropriate expert.
  • Page 13 7.09 7.13 7.11 7.12 7.10 Range for measuring Outlet points* 7.04 (approx. 3x DN P 7.05 7.01 7.02 7.03 Filter DF100 Fig. 7.1 Inlet 7.07 7.28 7.08 7.06 • Breather lines (items 7.04 / 7.07) may not be required if breather valves or safety diaphragms are being used.

  • Page 14: Leakage Test (Test For External Leakage)

    7.3 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 15: 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 16: Diaphragm Assembly Setpoint Spring Table

    Changing the control range Switching to the control range of a different setpoint spring can be done for the GPR while the device is pressurized. • Take off the sealing cap (item 7.21) and unscrew the setting screw (item 7.22), •...

  • Page 17: Decommissioning

    Specific command range W [mbar] Spring data RE 275-2 RE 385 RE 485 Spring no. Color [RAL] 22 - 25 FB 702 9006 24 - 31 FB 703 5015 28 - 36 FB 704 4002 33 - 44 FB 705 7037 41 - 56 FB 706...

  • Page 18: Maintenance

    8 Maintenance 8.1 Maintenance Plan The maintenance regulations of the system manufacturer must be observed. The following sections describe the maintenance work required for optimal and trouble-free operation of the device. If increased wear is detected during regular inspections, the required maintenance intervals must be shortened in accordance with the actual wear.

  • Page 19: Table Of Screw Tightening Torques M

    8.3 Table of Screw Tightening Torques M Item R101 / 025 Exception R101 / 050 R101 / 065 R101 / 100 R101 / 040 M8 / 18 Nm M10 / 36 Nm M10 / 36 Nm M10 / 36 Nm RE 205 M10 / 36 Nm M8 / 18 Nm...

  • Page 20: Troubleshooting

    9 Troubleshooting 9.1 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 Clamping of the compensating Closing pressure too diaphragm has come off Check compensating diaphragm for fastening,...

  • Page 21: Replacement And Disposal

    The remaining components should be disposed of after sorting according to material. • Alternatively, scrapping by MEDENUS can be agreed with the service. The return is at your own expense, the disposal by MEDENUS is free of charge. For technical information, please contact our customer service:...

  • Page 22: Spare Parts

    9.1 Spare Parts Drawing R101 shown with high-pressure spindle HDS 11.2 Optional Spare Parts Drawing R101 shown with safety diaphragm 1x O-ring at RE 160 / 205 / 275 / 385 4x O-ring at RE 320 / 390 8x O-ring at RE 485...

  • Page 23: Parts For Maintenance Work

    11.3 Parts for Maintenance Work Main diaphragm and O-ring Item Name Quantity R101 / 025; R101 / 040 R101 / 050; R101 / 065; R101 / 100 pcs. RE 385 / RE 385 / RE 160 RE 205 RE 320...

  • Page 24: Safety Diaphragm

    OS-014 order number: Safety diaphragm Item Name Quantity R101 / 025; R101 / 040 R101 / 050; R101 / 065; R101 / 100 pcs. RE 385 / 390 RE 385 / 390 RE 160 RE 205 RE 320 RE 205...
  • Page 25 Gas pressure R101 390* 32.5 MD-R SM... regulator: Gas pressure regulator: R101 / 050 / 390* / 32.5 / MD-R / MB* Spare parts according to tables in 11.3 MS-152 Main diaphragm and O-ring: M-005 Intermediate diaphragms: VT-005 Valve plate:...

  • Page 26: Accessories / Options

    • Gas pressure regulators RS 250 / RS 251 • Gas pressure regulators RS 254 / RS 255 • Gas pressure regulators R101 12.1.2 Application / Function The noise reduction made of metallic foam is inserted into the housing of the gas pressure regulator between the valve seat and the housing cover and reduces noise in the gas pressure regulator produced by the flow rate by up to -15 dB (±3 dB).
  • Page 27 12.1.4 Determination of the sound pressure level L The noise of gas expansion at a maximum flow rate of approx. 65 m/s on the outlet side is shown. 128000 96000 64000 48000 32000 24000 16000 12000 8000 6000 4000 3000 2000 1500 1000...

  • Page 28: High-Pressure Spindle

    • Gas pressure regulators RS 254 / RS 255 • Gas pressure regulators R 100 / R 100-U • Gas pressure regulators R101 12.2.2 Application / Function The HDS high-pressure spindle is used for simplified adjustment of the control spring in the gas pressure regulator.

  • Page 29: Rsd2 Restrictor Valve

    12.3 RSD2 Restrictor Valve 12.3.1 Use • For installation in the sensing/impulse line or breathing line of the control device 12.3.2 Application / Function • For the finer adjustment of the control behavior of the regulator • For a outlet pressure control without fluctuations in the low load range of the regulators The RSD2 is a throttle valve which regulates the volume flow in the sensing/impulse line by means of a continuously adjustable cross-sectional reduction.

  • Page 30: Sm Safety Diaphragm

    • Gas pressure regulators RS 254 / RS 255 • Gas pressure regulators R 100 / R 100-U • Gas pressure regulators R101 12.4.2 Application / Function In the model with safety diaphragm, the safety diaphragm is located above the main diaphragm. When the main diaphragm ruptures, the safety diaphragm makes contact with the top cover of the diaphragm assembly and prevents any inadmissible escape of gas into the surrounding atmosphere.

  • Page 31: Breather Valve Av530

    12.5 Breather valve AV530 12.5.1 Use • On SSV control device • On regulators (pilots) • With low-dynamic regulation sections (one full stroke) • On the SRV 12.5.2 Application / Function The breather valve is used as replacement for the costly and time-consuming laying of breather lines and for securing the installation room against inadmissible escape of gas from diaphragm comparator compartments of gas pressure regulators and safety shut-off valves.

  • Page 32: Tools

    13.1 Brace and Bit with 4-Jaw Chuck The 3.5 - 16 mm brace and bit with 4-jaw chuck and the accessories available for it are used for precise adjustment of the setpoint spring in your MEDENUS gas pressure regulator. For further information for use and on the spring data of the setpoint springs, please refer to pages 12 - 13 "Initial commissioning / Recommissioning"...
  • Page 33 © 11.2023...
  • Page 34 Notes ................
  • Page 35 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/R101/BWA_R101_de.pdf English: http://medenus.de/files/upload/ downloads/R101/BWA_R101_en.pdf © 11.2023...
  • Page 36 Flowstar (UK) Ltd Phone +44 (0)1482 601030 WhatsApp +44 (0)7708 461097 Wiltshire Road, Hull, HU4 6PA sales@flowstar.co.uk www.flowstar.co.uk...

This manual is also suitable for:

R101us

Table of Contents