Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Related Manuals for GEM D40
Summary of Contents for GEM D40
- Page 1 GEMÜ D40 Pneumatically operated diaphragm valve Operating instructions...
- 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 02.06.2025 GEMÜ D40 2 / 25 www.gemu-group.com...
-
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
Meaning 1.3 Definition of terms Danger of explosion! Working medium The medium that flows through the GEMÜ product. Control function Risk of crushing due to moving parts when the The possible actuation functions of the GEMÜ product. valve is not installed! -
Page 5: Safety Information
1.4435, forged body (BN2) turer first. CONEXO body RFID chip (see Conexo information) In cases of uncertainty: 18, 19 Screw connection kit 15. Consult the nearest GEMÜ sales office. (stud bolts, nuts) www.gemu-group.com 5 / 25 GEMÜ D40... -
Page 6: Description
Danger of explosion! The month of manufacture is encoded in the traceability num- ▶ Risk of severe injury or death ber and can be obtained from GEMÜ. The product was manu- If there is no corresponding declara- factured in Germany. -
Page 7: Order Data
1.4435 (BN2), forged body, Δ Fe < 0.5% 6 Shut-off diaphragm Code PTFE/EPDM, two-piece 7 Control function Code Normally closed (NC) Normally open (NO) Double acting (DA) 8 Actuator spring set Code Standard spring set www.gemu-group.com 7 / 25 GEMÜ D40... -
Page 8: Order Example
10 Actuator size Actuator size 2 11 Valve body surface 1537 Ra ≤ 0.4 μm for media wetted surfaces, in accordance with DIN 11866 HE4, electropolished internal/external 12 CONEXO Without 13 Special version ATEX marking GEMÜ D40 8 / 25 www.gemu-group.com... -
Page 9: Technical Data
Sealing at the valve seat and atmospheric seal- ing is ensured for the given values. Vacuum: Can be used up to a vacuum of 70 mbar (absolute) Pressure rating: PN 16 Leakage rate: Leakage rate A to P11/P12 EN 12266-1 www.gemu-group.com 9 / 25 GEMÜ D40... -
Page 10: Product Conformities
Connection type code 0.28 0.28 0.28 0.28 0.28 0.28 0.28 0.28 Weights in kg MG = diaphragm size Actuator (control function 1, NC) Actuator size Weight 1.17 Weights in kg MG = diaphragm size GEMÜ D40 10 / 25 www.gemu-group.com... - Page 11 Connection type (code) α 36.3° 23.4° 18.0° 38.1° 12.3° 7.9° 18.3° 3.0° MG = diaphragm size Vertical line: Reference line for hash mark Hash mark α 0° Horizontal line: Reference line for the angle of rotation www.gemu-group.com 11 / 25 GEMÜ D40...
-
Page 12: Dimensions
8 Dimensions 8 Dimensions 8.1 Actuator dimensions Ø B Actuator size ØB 131.3 65.0 42.0 G 1/8 M16x1 Dimensions in mm MG = diaphragm size * CT = A + H1 (see body dimensions) GEMÜ D40 12 / 25 www.gemu-group.com... -
Page 13: Body Dimensions
Code 59: Spigot ASME BPE/DIN EN 10357 series C (from 2022 issue)/DIN 11866 series C Code 60: Spigot ISO 1127/DIN EN 10357 series C (2014 issue)/DIN 11866 series B 2) Valve body material Code 40: 1.4435 (F316L), forged body Code 42: 1.4435 (BN2), forged body, Δ Fe < 0.5% www.gemu-group.com 13 / 25 GEMÜ D40... - Page 14 Code 82: Clamp DIN 32676 series B, face-to-face dimension FTF EN 558 series 7, length only for body configuration D 2) Valve body material Code 40: 1.4435 (F316L), forged body Code 42: 1.4435 (BN2), forged body, Δ Fe < 0.5% GEMÜ D40 14 / 25 www.gemu-group.com...
- Page 15 Code 8A: Clamp DIN 32676 series A, face-to-face dimension FTF acc. to EN 558 series 7, length only for body configuration D 2) Valve body material Code 40: 1.4435 (F316L), forged body Code 42: 1.4435 (BN2), forged body, Δ Fe < 0.5% www.gemu-group.com 15 / 25 GEMÜ D40...
-
Page 16: Manufacturer's Information
"Technical data"). by pressure surges (water hammer). 4. Do not store solvents, chemicals, acids, fuels or similar fluids in the same room as GEMÜ products and their spare NOTICE parts. Suitability of the product! 5. -
Page 17: Installation With Butt Weld Spigots
5. Allow butt weld spigots to cool down. 6. Reassemble the valve body and the actuator with dia- phragm, see Actuator mounting on the valve body. 7. Re-attach or reactivate all safety and protective devices. 8. Flush the system. www.gemu-group.com 17 / 25 GEMÜ D40... -
Page 18: Pneumatic Connections
Thread size of the control medium connectors: ð The product closes. G1/8" for AG2 1. Use suitable connectors. 2. Connect the control medium lines tension-free and without any bends or knots in connector 1. GEMÜ D40 18 / 25 www.gemu-group.com... -
Page 19: Troubleshooting
Actuator spring faulty (for control func- Replace actuator tion NC) Connection between valve body and pip- Incorrect installation Check installation of valve body in piping ing leaking * see the "Construction" chapter www.gemu-group.com 19 / 25 GEMÜ D40... -
Page 20: Inspection And Maintenance
● carried out by trained personnel only. NOTICE Use of incorrect spare parts! ▶ Damage to the GEMÜ product ▶ The manufacturer liability and guarantee will be void. Use only genuine parts from GEMÜ. ● 1. Wear appropriate protective gear in accordance with the plant operator’s guidelines. -
Page 21: Valve Disassembly (Removing The Actuator From The Body)
Do not open the actuator. ● ▶ Risk of injury due to contact with me- Return the actuator to GEMÜ for main- ● dia that is harmful to health! tenance purposes. Replace the diaphragms once they ●... -
Page 22: Mounting The Actuator On The Valve Body
Returned goods can be processed only when this note is completed. If no return delivery note is included with the product, GEMÜ cannot process credits or repair work but will dispose of the goods at the operator's expense. -
Page 23: Eu Declaration Of Incorporation
MD 2006/42/EG Bemerkungen: Remarks: Ferner wird erklärt, dass die speziellen technischen Unterlagen gemäß Anhang VII Teil B erstellt wurden. We also declare that the specific technical documents have been created in accordance with part B of Annex VII. Der Hersteller verpflichtet sich, einzelstaatlichen Stellen auf begründetes Verlangen die speziellen technischen Unterlagen zu der unvollständigen Maschine zu übermitteln. -
Page 24: Eu Declaration Of Conformity
The products are developed and produced according to GEMÜ's in-house process instructions and standards of standards, welche die Forderungen der ISO 9001 und der ISO 14001 erfüllen. Die Produkte dürfen gemäß Arti- quality which comply with the requirements of ISO 9001 and ISO 14001. According to Article 4, Paragraph 3 of kel 4, Absatz 3 der Druckgeräterichtlinie 2014/68/EU keine CE-Kennzeichnung tragen. - Page 25 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 06.2025 | 88922898...
Need help?
Do you have a question about the D40 and is the answer not in the manual?
Questions and answers