Related Manuals for GEM 655
Summary of Contents for GEM 655
- Page 1 GEMÜ 655 Manually operated full bore diaphragm valve Operating instructions further information webcode: GW-655...
- 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 11.04.2023 GEMÜ 655 2 / 30 www.gemu-group.com...
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Page 3: Table Of Contents
2 Safety information ..........3 Product description ..........Construction ..........Description ........... Function ............Product label ..........4 GEMÜ CONEXO ............ 5 Correct use ............6 Order data ............Order codes ..........Order example ..........7 Technical data ............. Medium ............ -
Page 4: General Information
– Lists Hot plant components! 1.3 Definition of terms Working medium The medium that flows through the GEMÜ product. 1.4 Warning notes Wherever possible, warning notes are organised according to the following scheme: SIGNAL WORD Type and source of the danger... -
Page 5: Safety Information
14. Do not carry out any maintenance work and repairs not 3.2 Description described in this document without consulting the manu- facturer first. The GEMÜ 655 2/2-way diaphragm valve has a metal hand- wheel and is manually operated. The valve body has a full In cases of uncertainty: bore design. -
Page 6: Product Label
The month of manufacture is encoded in the traceability component such as the body, actuator or diaphragm, and number and can be obtained from GEMÜ. The product was even automation components, can be clearly traced and read manufactured in Germany. -
Page 7: Order Data
EN-GJL-250 (GG 25), soft rubber lined EN-GJL-250 (GG 25), butyl lined SG iron material EN-GJS-500-7 (GGG-50), hard rubber lined EN-GJS-400-18-LT (GGG 40.3), soft rubber lined EN-GJS-400-18-LT (GGG 40.3), hard rubber lined EN-GJS-400-18-LT (GGG 40.3), butyl lined www.gemu-group.com 7 / 30 GEMÜ 655... -
Page 8: Order Example
FTF EN 558 series 7, ISO 5752, basic series 7 5 Valve body material EN-GJL-250 (GG 25) 6 Diaphragm material EPDM 7 Control function Manually operated 8 Actuator version Actuator size 4, for DN 50 and 65 GEMÜ 655 8 / 30 www.gemu-group.com... -
Page 9: Technical Data
Therefore the Kv values may exceed the tolerance limits of the standard. The Kv value curve (Kv value dependent on valve stroke) can vary depending on the diaphragm material and duration of use. www.gemu-group.com 9 / 30 GEMÜ 655... -
Page 10: Product Compliance
TR CU 010/2011 7.5 Mechanical data Weight: Actuator Actuator version Weight 13.0 34.0 55.0 97.0 222.0 Weights in kg Body Weight 12.0 17.1 28.4 31.9 76.6 99.2 181.6 MG = diaphragm size, weight in kg GEMÜ 655 10 / 30 www.gemu-group.com... -
Page 11: Dimensions
238.0 125 - 150 5" - 6" 307.0 316.0 8" 359.0 416.0 10" 484.0 416.0 12" 562.0 700.0 Dimensions in mm, MG = diaphragm size * CT = A + H1 (see body dimensions) www.gemu-group.com 11 / 30 GEMÜ 655... -
Page 12: Body Dimensions
Code 4: Flange EN 1092, PN 10, form B, face-to-face dimension FTF EN 558 series 1, ISO 5752, basic series 1 2) Valve body material Code 82: EN-GJS-400-18-LT (GGG 40.3), soft rubber lined Code 83: EN-GJS-400-18-LT (GGG 40.3), hard rubber lined Code 88: EN-GJS-400-18-LT (GGG 40.3), butyl lined GEMÜ 655 12 / 30 www.gemu-group.com... - Page 13 Code 8: Flange EN 1092, PN 16, form B, face-to-face dimension FTF EN 558 series 1, ISO 5752, basic series 1 2) Valve body material Code 82: EN-GJS-400-18-LT (GGG 40.3), soft rubber lined Code 83: EN-GJS-400-18-LT (GGG 40.3), hard rubber lined Code 88: EN-GJS-400-18-LT (GGG 40.3), butyl lined www.gemu-group.com 13 / 30 GEMÜ 655...
- Page 14 Code 16: EN-GJS-500-7 (GGG-50), hard rubber lined Code 52: EN-GJL-250 (GG 25), soft rubber lined Code 58: EN-GJL-250 (GG 25), butyl lined Code 92: EN-GJS-500-7 (GGG 50), soft rubber lined Code 98: EN-GJS-500-7 (GGG 50), butyl lined GEMÜ 655 14 / 30 www.gemu-group.com...
- Page 15 Code 53: Flange EN 1092, PN 16, form A, face-to-face dimension FTF EN 558 series 7, ISO 5752, basic series 7 2) Valve body material Code 8: EN-GJL-250 (GG 25) Code 16: EN-GJS-500-7 (GGG-50), hard rubber lined Code 92: EN-GJS-500-7 (GGG 50), soft rubber lined Code 98: EN-GJS-500-7 (GGG 50), butyl lined www.gemu-group.com 15 / 30 GEMÜ 655...
- Page 16 Code 39: Flange ANSI Class 125/150 RF, face-to-face dimension FTF EN 558 series 1, ISO 5752, basic series 1 2) Valve body material Code 82: EN-GJS-400-18-LT (GGG 40.3), soft rubber lined Code 83: EN-GJS-400-18-LT (GGG 40.3), hard rubber lined Code 88: EN-GJS-400-18-LT (GGG 40.3), butyl lined 3) not according to ASME standard GEMÜ 655 16 / 30 www.gemu-group.com...
- Page 17 Code 16: EN-GJS-500-7 (GGG-50), hard rubber lined Code 52: EN-GJL-250 (GG 25), soft rubber lined Code 58: EN-GJL-250 (GG 25), butyl lined Code 92: EN-GJS-500-7 (GGG 50), soft rubber lined Code 98: EN-GJS-500-7 (GGG 50), butyl lined www.gemu-group.com 17 / 30 GEMÜ 655...
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Page 18: Diaphragm Dimensions
528.0 576.0 22.0 12.0 25.0 1” 280.0 18° 24° 24° 24° Dimensions in mm, MG = diaphragm size n = number of bolts The thread of the diaphragm pin "W" corresponds to Whitworth standard. GEMÜ 655 18 / 30 www.gemu-group.com... -
Page 19: Manufacturer's Information
4. Do not store solvents, chemicals, acids, fuels or similar 9. Depressurize the plant or plant component. fluids in the same room as GEMÜ products and their spare parts. 10. Completely drain the plant or plant component and allow it to cool down until the temperature is below the media vaporization temperature and cannot cause scalding. -
Page 20: Installation Position
The installation position of the product is optional. 10.3 Installation with flanged connection Fig. 1: Flanged connection NOTICE Sealing material ▶ The sealing material is not included in the scope of deliv- ery. Only use appropriate sealing material. ● GEMÜ 655 20 / 30 www.gemu-group.com... -
Page 21: Commissioning
(water hammer). CAUTION Cleaning agent ▶ Damage to the GEMÜ product. The plant operator is responsible for selecting the clean- ● ing material and performing the procedure. 1. Check the tightness and the function of the product (close and reopen the product). -
Page 22: Troubleshooting
Tighten threaded connections / unions Sealing material faulty Replace sealing material Valve body leaking Valve body leaking or corroded Check valve body for damage, replace valve body if necessary Handwheel cannot be turned Handwheel defective Replace the handwheel GEMÜ 655 22 / 30 www.gemu-group.com... -
Page 23: Inspection And Maintenance
4. Secure the plant or plant component against recommis- sioning. 5. Depressurize the plant or plant component. 6. Actuate GEMÜ products which are always in the same position four times a year. 14.1 Removing the actuator 1. Move the actuator A to the open position. - Page 24 Compressor and actuator flange seen from below: Compressor and actuator flange seen from below: DN 50 – 65: Compressor and actuator flange seen from below: DN 125 – 150: Compressor and actuator flange seen from below: GEMÜ 655 24 / 30 www.gemu-group.com...
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Page 25: Mounting The Actuator
1. Move the actuator A to the open position. 2. Position actuator A with the mounted diaphragm on the valve body 1. 3. Screw in bolts, washers and nuts hand tight. www.gemu-group.com 25 / 30 GEMÜ 655... - Page 26 6. Fully tighten the bolts with nuts diagonally. 7. Ensure even compression of the diaphragm (approx. 10 to 15%). ð Even compression is detected by an even outer bulge. 8. With the valve fully assembled, check the function and tightness. GEMÜ 655 26 / 30 www.gemu-group.com...
- Page 27 15 Spare parts 15 Spare parts Handwheel Leak detection hole Item Name Order designation Valve body K655… Full bore diaphragm 655…M… Bolt Washer 655...S30... Actuator 9655... www.gemu-group.com 27 / 30 GEMÜ 655...
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Page 28: Removal From Piping
2. Remove in reverse order to installation. goods can be processed only when this note is completed. If no return delivery note is included with the product, GEMÜ 17 Disposal cannot process credits or repair work but will dispose of the goods at the operator's expense. -
Page 29: Declaration Of Conformity According To 2014/68/Eu (Pressure Equipment Directive)
AD 2000 Note for products with a nominal size ≤ DN 25: The products are developed and produced according to GEMÜ process instructions and quality standards which comply with the requirements of ISO 9001 and ISO 14001. According to Article 4, Paragraph 3 of the Pressure Equipment Directive 2014/68/EU these products must not be identified by a CE-label. - Page 30 GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG Fritz-Müller-Straße 6-8, 74653 Ingelfingen-Criesbach, Ger- many Subject to alteration Phone +49 (0) 7940 1230 · info@gemue.de www.gemu-group.com 04.2023 | 88766109...