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Summary of Contents for GEM Q51
- Page 1 GEMÜ Q51 Motorized pinch 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 17.02.2025 GEMÜ Q51 2 / 24 www.gemu-group.com...
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Page 3: Table Of Contents
14 Behaviour in the event of an error ...... 15 Troubleshooting ........... 16 Removal ..............17 Disposal ..............18 Returns ..............19 EU Declaration of Incorporation according to the EC Machinery Directive 2006/42/EC, Annex II B ................www.gemu-group.com 3 / 24 GEMÜ Q51... -
Page 4: General Information
Warning notes are always marked with a signal word and sometimes also with a symbol for the specific danger. The following signal words and danger levels are used: DANGER Imminent danger! ▶ Non-observance can cause death or severe injury. GEMÜ Q51 4 / 24 www.gemu-group.com... -
Page 5: Safety Information On The Product (Example)
13. Maintain the product correctly. 14. Do not carry out any maintenance work and repairs not described in this document without consulting the manu- facturer first. In cases of uncertainty: 15. Consult the nearest GEMÜ sales office. 3 Product description 3.1 Design Item Symbol... -
Page 6: Description
3 Product description 3.2 Description The GEMÜ Q51 2/2-way pinch valve is a electrically operated as a positioner. The valve guides a tube which is compressed from above by a compressor to control and regulate media. The compressor's specially developed contour and the tube holder's contour minimize the strain on the tube and thus in- crease the tubes' service life. -
Page 7: Functional Description
LED 2 (red) Valve power ON Initialization error timeout Pre-INIT mode active flash alternately 2 Hz flash alternately 2 Hz Initialization ready Initialization active flash alternately 1 Hz flash alternately 1 Hz Error LED conditions lit (on) flashes www.gemu-group.com 7 / 24 GEMÜ Q51... -
Page 8: Correct Use
The product is designed to control a working medium guided in a tube. The product is not intended for use in potentially explosive areas. ● Use the product in accordance with the technical data. GEMÜ Q51 8 / 24 www.gemu-group.com... -
Page 9: Order Data
Plastic design, stainless steel tube carrier and PA tube holder 5 Voltage/frequency 24 V DC 6 Control module Positioner 7 Mounting option With mounting flange above 8 Actuator version Actuator size 0 9 CONEXO Without www.gemu-group.com 9 / 24 GEMÜ Q51... -
Page 10: Technical Data
Actuating speed: Max. 2 mm/s Weight: Approx. 1.2 kg Mechanical environ- Class 4M8 acc. to EN 60721-3-4:1998 mental conditions: Vibration: 5g acc. to IEC 60068-2-6 Test Fc Shock: 25g acc. to 60068-2-27 Test Ea GEMÜ Q51 10 / 24 www.gemu-group.com... -
Page 11: Duty Cycle And Service Life
Output signal: 4–20 mA Output type: Active Load resistor: 650 Ω Short-circuit proof: 7.7.4.2 Actual value as voltage signal, control module code V0 / V1 Output signal: 0–10 V Output type: Active Short-circuit proof: www.gemu-group.com 11 / 24 GEMÜ Q51... - Page 12 Notes: Moving to the error position is only possible with full power supply. This behaviour is not a safety position. The valve must be operated with a GEMÜ 1571 emergency power supply module (see accessories) to ensure the function in case of voltage loss.
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Page 13: Dimensions
Dia. D1* Dia. D2* Dia. d Dia. d1 Dia. k Dia. L 115.7 50.0 71.0 158.7 39.0 42.0 58.0 30.5 43.0 15.6 49.0 Dimensions in mm * D1 = diameter without seal, D2 = diameter with seal www.gemu-group.com 13 / 24 GEMÜ Q51... -
Page 14: Valve Body, Without Mounting Flange
8 Dimensions 8.2 Valve body, without mounting flange Tube outside diameter ≤ 1/2" Dimensions in mm GEMÜ Q51 14 / 24 www.gemu-group.com... -
Page 15: Manufacturer's Information
3. Do not exceed the maximum storage temperature (see chapter "Technical data"). NOTICE 4. Do not store solvents, chemicals, acids, fuels or similar flu- ids in the same room as GEMÜ products and their spare Tools! parts. ▶ The tools required for installation and assembly are not 5. -
Page 16: Mounting With Mounting Flange
2. Turn the actuator to the desired position. 3. Tighten union nut 4 (see table for torques). Tube size Torque Actuator for tube outside dia- Max. 20 Nm meter ≤ 1/2" Actuator for tube outside dia- Max. 30 Nm meter ≥ 5/8" GEMÜ Q51 16 / 24 www.gemu-group.com... -
Page 17: Electrical Connection
11.1 Position of the connectors 11.2 Electrical connection Connection X1 Five-pin M12 built-in socket, A-coded Signal name 24 V supply voltage I+/U+, set value input I+/U+, actual value output Digital input 1 / tube replacement function www.gemu-group.com 17 / 24 GEMÜ Q51... -
Page 18: Commissioning
The operator must carry out regular visual examination of the ð Valve moves towards the specified set value. GEMÜ products dependent on the operating conditions and ð The end positions are set. the potential danger in order to prevent leakage and damage. -
Page 19: Spare Parts
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 po- sition four times a year. 2. Turn the locking ring b by 90° in the direction of the arrow. -
Page 20: Disassembling The Tube Holder
1. Disassemble the tube holder (see “Disassembling the tube holder“, page 20). 4. Pull the compressor 2 out downwards. 2. Insert the tube holder 1. 3. Tighten the fixing screw c using an Allen key. GEMÜ Q51 20 / 24 www.gemu-group.com... -
Page 21: Insert The Tube
If be operated with a GEMÜ 1571 emergency power supply no return delivery note is included with the product, GEMÜ module (see accessories) to ensure the function in case of cannot process credits or repair work but will dispose of the voltage loss. -
Page 22: Eu Declaration Of Incorporation According To The Ec Machinery Directive 2006/42/Ec, Annex Ii B
EU Declaration of Incorporation according to the EC Machinery Directive 2006/42/EC, Annex II B Machinery Directive introductory text We, the company GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG Fritz-Müller-Strasse 6–8 74653 Ingelfingen Germany hereby declare under our sole responsibility that the below-mentioned product complies with the relevant essential health and safety requirements in accordance with Annex I of the above-mentioned Directive. -
Page 23: Eu Declaration Of Conformity
2014/30/EU (EMC Directive) EMC introductory text We, the company GEMÜ Gebr. Müller Apparatebau GmbH & Co. KG Fritz-Müller-Strasse 6–8 74653 Ingelfingen-Criesbach, Germany hereby declare under our sole responsibility that the below-mentioned product complies with the regulations of the above-men- tioned Directive. - Page 24 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 02.2025 | 88922634...
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