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Summary of Contents for GEM 8253
- Page 1 GEMÜ 8253 Electrically operated solenoid valve Operating instructions further information webcode: GW-8253...
- Page 2 All rights including copyrights or industrial property rights are expressly reserved. Keep the document for future reference. © GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG 10.06.2022 GEMÜ 8253 2 / 20 www.gemu-group.com...
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Page 3: Table Of Contents
11.5 Diaphragm replacement ......12 Troubleshooting ..........13 Disposal .............. 14 Returns ..............15 Information ............16 Declaration of conformity according to 2014/68/ EC (Pressure Equipment Directive) ...... 17 EU Declaration of Conformity ....... www.gemu-group.com 3 / 20 GEMÜ 8253... -
Page 4: Allgemeines
Lists Potentially dangerous situation! 1.3 Begriffsbestimmungen ▶ Non-observance can cause death or severe injury. Working medium The medium that flows through the GEMÜ product. CAUTION Potentially dangerous situation! ▶ Non-observance can cause moderate to light injury. NOTICE Potentially dangerous situation! ▶... -
Page 5: Safety Information
In cases of uncertainty: pilot seat 1. The diaphragm *103 is pushed down onto the 15. Consult the nearest GEMÜ sales office. main valve seat 4 by a closing spring 2. The medium flows through the control aperture 3 in the diaphragm into the con- trol chamber above the diaphragm and thus increases the closing force. -
Page 6: Correct Use
The product is designed for installation in piping systems and for controlling a working medium. 1. Use the product in accordance with the technical data. 2. Note the supplement acc. to ATEX 3. Please note the flow direction on the valve body. GEMÜ 8253 6 / 20 www.gemu-group.com... -
Page 7: Order Data
Threaded socket DIN ISO 228 5 Valve body material CW617N (brass) 6 Seal material 7 Control function Normally closed (NC) 8 Voltage 230 V 9 Frequency 50/60 50 - 60 Hz 10 Special version Without www.gemu-group.com 7 / 20 GEMÜ 8253... - Page 8 5 Order data GEMÜ 8253 8 / 20 www.gemu-group.com...
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Page 9: Dimensions
60.0 G 1½ 22.0 1½” NPT 17.0 109.0 201.5 167.0 160.0 74.0 24.0 2” NPT 17.5 Dimensions in mm 1) Connection type Code 1: Threaded socket DIN ISO 228 Code 31: Threaded socket NPT www.gemu-group.com 9 / 20 GEMÜ 8253... -
Page 10: Manufacturer's Information
4. Do not store solvents, chemicals, acids, fuels or similar Only operate the solenoid valve in flow direction. ● fluids in the same room as GEMÜ products and their spare Take precautionary measures in case of expected reverse ● parts. -
Page 11: Electrical Connection
7. Push the rubber sleeve 3 and washer 2 into the plug hous- ing 4. 8. Tighten the cable gland 1. 9. Push the plug onto the mount. 10. Fix the plug with the fixing screw 5. ð The plug is mounted. www.gemu-group.com 11 / 20 GEMÜ 8253... -
Page 12: Commissioning
If the plant is new and after repairs, rinse the piping sys- ● tem with the valves fully open. ð The plant operator is responsible for selecting the clean- ing material and performing the procedure. GEMÜ 8253 12 / 20 www.gemu-group.com... -
Page 13: Armature Replacement
Tightening torque for the cover screws: clip. Thread Torque 2.0 Nm ± 10 % 3.6 Nm ± 10 % 6.0 Nm ± 10 % 16.0 Nm ± 10 % 31.0 Nm ± 10 % www.gemu-group.com 13 / 20 GEMÜ 8253... -
Page 14: Troubleshooting
2. Request a return delivery note from GEMÜ. with product label 3. Complete the return delivery note. Solenoid coil faulty Replace solenoid 4. Send the GEMÜ 8253 with a completed return delivery valve note to GEMÜ. Operating pressure Check operating... -
Page 15: Eu Declaration Of Conformity
17 EU Declaration of Conformity 17 EU Declaration of Conformity GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG Fritz-Müller-Straße 6-8 74653 Ingelfingen-Criesbach, Ger- many declare that the product listed below complies with the follow- ing directives: • Low Voltage Directive 2014/35/EU •... - Page 16 17 EU Declaration of Conformity GEMÜ 8253 16 / 20 www.gemu-group.com...
- Page 17 GEMÜ 8253 17 / 20 www.gemu-group.com...
- Page 18 GEMÜ 8253 18 / 20 www.gemu-group.com...
- Page 19 19 / 20 GEMÜ 8253...
- Page 20 GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG Fritz-Müller-Straße 6-8, 74653 Ingelfingen-Criesbach, Germany Subject to alteration Phone +49 (0) 7940 1230 · info@gemue.de www.gemu-group.com 06.2022...
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