Related Manuals for GEM 656
Summary of Contents for GEM 656
- Page 1 GEMÜ 656 Pneumatically operated full bore diaphragm valve Operating instructions further information webcode: GW-656...
- 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 25.06.2021 GEMÜ 656 2 / 36 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 1.3 Definition of terms Corrosive chemicals! Working medium The medium that flows through the GEMÜ product. Control medium Hot plant components! The medium whose increasing or decreasing pressure causes the GEMÜ product to be actuated and operated. Control function The possible actuation functions of the GEMÜ... -
Page 5: Safety Information
3.2 Description turer first. The GEMÜ 656 2/2-way diaphragm valve has a low mainten- In cases of uncertainty: ance metal membrane actuator and is pneumatically oper- ated. Normally Closed (NC), Normally Open (NO) and Double 15. -
Page 6: Function
The month of manufacture is encoded in the traceability num- The product is not intended for use in potentially explosive ber and can be obtained from GEMÜ. The product was manu- areas. factured in Germany. -
Page 7: Order Data
Actuator size 4RD, for DN 80 and 100 EN-GJL-250 (GG 25), Actuator size 5RD, for DN 125 and 150 soft rubber lined Actuator size 6RD, for DN 200 and 250 EN-GJL-250 (GG 25), butyl lined www.gemu-group.com 7 / 36 GEMÜ 656... -
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 Normally Closed (NC) 8 Actuator version Actuator size 3R1, for DN 50 and 65 GEMÜ 656 8 / 36 www.gemu-group.com... -
Page 9: Technical Data
Control medium: Inert gases 7.2 Temperature Media temperature: 0 — 100 °C Control medium temper- 0 — 40 °C ature: Ambient temperature: 0 — 60 °C Storage temperature: 0 — 40 °C www.gemu-group.com 9 / 36 GEMÜ 656... -
Page 10: Pressure
Sealing at the valve seat and atmospheric sealing is ensured for the given values. Information on operating pressures applied on both sides and for high purity media on request. Valve not suitable for vacuum applications GEMÜ 656 10 / 36 www.gemu-group.com... - Page 11 Actuator size 2R2, 2RF, 2RD 0.625 dm³ Actuator size 3R1, 3RF, 3RD 2.5 dm³ Actuator size 4R1, 4RF, 4RD 6.8 dm³ Actuator size 5R2, 5RF, 5RD 9.0 dm³ Actuator size 6R2, 6R3, 6RF, 6RD 19.0 dm³ www.gemu-group.com 11 / 36 GEMÜ 656...
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Page 12: Product Compliance
The Kv value curve (Kv value dependent on valve stroke) can vary depending on the diaphragm material and dur- ation of use. 7.4 Product compliance Pressure Equipment Dir- 2014/68/EU ective: EAC: TR CU 010/2011 GEMÜ 656 12 / 36 www.gemu-group.com... -
Page 13: Mechanical Data
23.0 25.0 48.0 48.0 51.0 90.0 90.0 100.0 164.0 164.0 179.0 180.0 MG = diaphragm size, weight in kg Body Weight 12.0 17.1 28.4 31.9 76.6 99.2 MG = diaphragm size, weight in kg www.gemu-group.com 13 / 36 GEMÜ 656... -
Page 14: Dimensions
263.5 256.0 M22x1.5 2 ½" 303.5 263.5 256.0 M22x1.5 Dimensions in mm, MG = diaphragm size * CT = A + H1 (see body dimensions) G1/4 connectors are available for connecting the control air. GEMÜ 656 14 / 36 www.gemu-group.com... - Page 15 360.0 M26x1.5 M22x1.5 4" 457.5 369.5 360.0 M26x1.5 M22x1.5 Dimensions in mm, MG = diaphragm size * CT = A + H1 (see body dimensions) G1/4 connectors are available for connecting the control air. www.gemu-group.com 15 / 36 GEMÜ 656...
- Page 16 2, 3 8" 1278.0 907.0 440.0 10" 1033.0 440.0 Dimensions in mm, MG = diaphragm size * CT = A + H1 (see body dimensions) G1/4 connectors are available for connecting the control air. GEMÜ 656 16 / 36 www.gemu-group.com...
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Page 17: 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 www.gemu-group.com 17 / 36 GEMÜ 656... - Page 18 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 GEMÜ 656 18 / 36 www.gemu-group.com...
- Page 19 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 19 / 36 GEMÜ 656...
- Page 20 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 GEMÜ 656 20 / 36 www.gemu-group.com...
- Page 21 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 www.gemu-group.com 21 / 36 GEMÜ 656...
- Page 22 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 656 22 / 36 www.gemu-group.com...
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Page 23: Diaphragm Dimensions
30° 40° 40° 10” 381.0 410.0 17.0 10.0 20.0 5/8” 178.0 15° 30° 25° 20° Dimensions in mm n = number of bolts The thread of the diaphragm pin "W" corresponds to Whitworth standard. www.gemu-group.com 23 / 36 GEMÜ 656... -
Page 24: 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 10. Completely drain the plant or plant component and allow it parts. -
Page 25: Installation Position
▶ The sealing material is not included in the scope of deliv- dium connectors (connector 2: open / connector 4: close). ery. Only use appropriate sealing material. ● www.gemu-group.com 25 / 36 GEMÜ 656... -
Page 26: Connecting The Control Medium
(water hammer). Control function 1 CAUTION Cleaning agent ▶ Damage to the GEMÜ product. The plant operator is responsible for selecting the clean- Connector 4 ● ing material and performing the procedure. 1. Check the tightness and the function of the product (close and reopen the product). -
Page 27: Troubleshooting
Valve body leaks Valve body leaks or is corroded Check valve body for damage, replace valve body if necessary * see chapter "Control functions (see Chapter 11.1, page 25)" and chapter "Spare parts (see Chapter 16, page 32)" www.gemu-group.com 27 / 36 GEMÜ 656... -
Page 28: Inspection And Maintenance
5. Depressurize the plant or plant component. 3. Clean all parts of contamination (do not damage parts dur- 6. Actuate GEMÜ products which are always in the same po- ing cleaning). sition four times a year. -
Page 29: Mounting The Diaphragm
In this case, remove the diaphragms, check the complete valve and diaphragms and reassemble again proceeding as described above. The compressor is fixed to the spindle for all nominal sizes. www.gemu-group.com 29 / 36 GEMÜ 656... - Page 30 Compressor and actuator flange seen from below: Compressor and actuator flange seen from below: DN 250: DN 125 – 150: Compressor and actuator flange seen from below: Compressor and actuator flange seen from below: GEMÜ 656 30 / 36 www.gemu-group.com...
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Page 31: 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 31 / 36 GEMÜ 656... -
Page 32: Spare Parts
16 Spare parts 16 Spare parts Vent hole Actuator membrane Connector 2 Leak detection hole Item Name Order designation Valve body K655… Full bore diaphragm 655…M… Bolt Washer 655…S30… Actuator 9656… GEMÜ 656 32 / 36 www.gemu-group.com... -
Page 33: 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 18 Disposal cannot process credits or repair work but will dispose of the 1. -
Page 34: Declaration Of Incorporation According To 2006/42/Ec (Machinery Directive)
20 Declaration of Incorporation according to 2006/42/EC (Machinery Directive) Declaration of Incorporation according to the EC Machinery Directive 2006/42/EC, Annex II, 1.B for partly completed machinery GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG Fritz-Müller-Straße 6-8 74653 Ingelfingen-Criesbach, Germany declare that the following product Make: GEMÜ... -
Page 35: 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 36 Subject to alteration GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG *88765394* Fritz-Müller-Straße 6-8, 74653 Ingelfingen-Criesbach, Germany 06.2021 | 88765394 Phone +49 (0) 7940 1230 · info@gemue.de www.gemu-group.com...