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Summary of Contents for MEDENUS S 100
- Page 1 Safety Shut-Off Valve S 100 Operating and Maintenance Instructions © 05.2022...
- Page 2 Reprint prohibited! Subject to technical modifications!
- Page 3 Design of the safety shut-off valve S 100 Housing cover Actuator housing Valve seat Valve plate Diaphragm plate Impulse connection Diaphragm Breather connection Setting screw for lower Setting screw for upper response pressure response pressure Pulling knob...
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Page 4: Table Of Contents
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... - Page 5 12 Accessories / Options 12.1 BV Breather Valve 12.2 Signal Transmitter/ Reed Contact 12.3 Inductive Signal Transmitter 12.4 SSV Remote Release 12.5 SSV Manual Release 13 Tools 13.1 Brace and Bit with 4-Jaw Chuck 13.2 SSV Tightening Tool Declaration of Conformity Notes...
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Page 6: General Information
The figures in these instructions are provided for basic understanding and may differ from the actual design. 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. -
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 Safety shut-off valve (SSV), direct-acting (operating without auxiliary power), for systems acc. to DVGW work sheets G 491 (A) and G 600 (A) (TRGI) Can be used as an equipment component on gas consumption facilities as defined in Regulation (EU) 2016/426. Can be used for the gases defined in DVGW work sheets G 260 / G 262 and neutral non-aggressive gases. -
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 7.13 7.11 7.09 7.12 7.10 Range for 7.04 measuring points* 7.03 7.01 Outlet (approx. 3x DN P 7.02 7.05 7.07 Inlet 7.27 7.08 7.26 7.06 7.28 • The maximum flow rate at the measuring point must not exceed 25 m/s, depending on the system conditions. •...
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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
Initial commissioning of the system components shall be carried out by the operator. For commissioning, please refer to the documents listed under item 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 Changing the control range Switching to the control range of a different setpoint spring can be done for the SSV while the device is pressurized. • Remove the sealing cap (item 7.15) and screw off the pull knob (item 7.14) for changing the spring of the underpressure shut-off device (item 7.16).
- Page 17 7.5 SSV Setpoint Spring Table - Control Device S100: DN 25 - 125 small ball lock MD-R 300 mbar 3500 mbar 8000 mbar ds o ds o ds o Lower response Upper response Lower response Upper response Lower response Upper response Spring data pressure pressure...
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Page 18: Decommissioning
S100: DN 150 - 200 large ball lock MD-R 300 mbar 3500 mbar 8000 mbar ds o ds o ds o Lower response Upper response Lower response Upper response Lower response Upper response Spring data pressure pressure pressure pressure pressure pressure Δp Δp... -
Page 19: Maintenance
8 Maintenance 8.1 Maintenance Plan 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. For any questions on maintenance work and intervals, please contact the manufacturer. -
Page 20: Table Of Screw Tightening Torques M
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 service@medenus.de Im Langen Feld 3 Fax +49 (0) 2761 / 82788-9 Internet www.medenus.de... -
Page 21: Troubleshooting
Correct response pressure settings consider and operating pressure or between required re-engagement differential (see product upper and lower response pressure is overview S 100) too small Only in case of underpressure switching: Diaphragm Check diaphragm and replace it, if necessary... -
Page 22: Spare Parts
11 Spare Parts 11.1 Spare Part Drawing of Safety Shut-Off Valve SSV © 05.2022... -
Page 23: Parts For Maintenance Work
11.2 Parts for Maintenance Work Valve Plate SSV / Diaphragm SSV Item Name Quantity Exception S100 / 025 S100 / 050 S100 / 065 S100 / 150 S100 / 200 S100 / 040 S100 / 080 S100 / 100 S100 / 125 VT-201 VT-206 VT-204... -
Page 24: Notes
Notes ................ -
Page 25: Accessories / Options
12 Accessories / Options 12.1 BV Breather Valve 12.1.1 Use • On SAV control devices • On regulators (pilots) • With low-dynamic regulation sections (one full stroke) • On the SRV (SL10) 12.1.2 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 26: Signal Transmitter/ Reed Contact
• On SAV control devices 12.2.2 Application / Function The signal transmitter, in conjunction with products from Medenus GmbH, is used for monitoring the position (position closed or open) of the safety shut-off valve via remote display. A built-in neodymium magnet in the pull knob of the SSV and a set switching distance to the reed contact cause a sensor to query the position of the safety shut-off valve and to transmit a signal via remote display. - Page 27 12.2.5 Mounting • Replace the pull knob of the SSV spindle with the pull knob with the neodymium magnet. • With the SSV open, slide the signal transmitter into the groove provided for this purpose at the SSV cap. (Until the operational status indicator is lit) • Finally fasten the signal transmitter to the desired position by tightening* the fastening screw M2.5 x 4 using a precision screwdriver.
- Page 28 Safety instructions Must be read prior to using the neodymium magnet! Important safety instructions for general and responsible handling of the neodymium magnet Please pass on these instructions to all employees, customers and other people who are handling our products or parts derived from them.
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Page 29: Inductive Signal Transmitter
• On SAV control devices 12.3.2 Application / Function The inductive transmitter, in conjunction with products from Medenus GmbH, is used for monitoring the position (position closed or open) of the safety shut-off valve via remote display. A sensor queries the position of the safety shut-off valve and a signal is transmitted via remote display. If the SSV drops into the closed position, the switching distance will be exceeded and the sensor will lose the signal. - Page 30 2/BU M12x1 12.3.5 Mounting • Unscrew the SSV cap of your Medenus gas pressure regulator (-) and replace it with the SSV cap with M12 threaded hole for the inductive transmitter and the pull knob, if necessary. (During mounting, make sure that the O-ring has been...
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Page 31: Ssv Remote Release
12.4 SSV Remote Release 12.4.1 Use • On SAV control devices 12.4.2 Application / Function The direct-acting solenoid valve is used as electromagnetic remote release for closing the safety shut-off valve. Only for SSV control devices of functional class A. Upon being energized or in case of power failure, the valve closes the impulse line, resulting in the pressure falling below the response pressure to be monitored. - Page 32 approx. 101 12.4.4 Application example Breather line 3/2-way valve Impulse line Breather line © 05.2022...
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Page 33: Ssv Manual Release
12.5 SSV Manual Release 12.5.1 Use • On SAV control devices 12.5.2 Application / Function By actuating the ball valve, the safety shut-off valve SSV is triggered and seals the gas flow gas-tight. The SSV manual release is only available for the SSV control devices of functional class A. After being released, the safety shut-off valve can only be opened by hand and engaged in the open position. -
Page 34: 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 35: Declaration Of Conformity
© 05.2022... -
Page 36: Notes
Notes ................ - Page 37 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/S100/ BWA_S100_de.pdf © 05.2022...
- Page 38 MEDENUS Gas-Druckregeltechnik GmbH Phone +49 (0)2761 82788-0 +49 (0)2761 82788-9 Im Langen Feld 3 / D-57462 Olpe info@medenus.de www.medenus.de...
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