Albuen 31, DK-6000 Kolding, Denmark Address +45 79 32 22 00 Phone No. hereby declare that Regulating Valve Unique 7710 Series Valve Denomination Type Year is in conformity with the following directives: - Machinery Directive 98/37/EEC - Pressure Equipment Directive 97/23/EC category 1 and subjected to assessment procedure Module A.
2 Safety Unsafe practices and other important information are emphasized in this manual. Warnings are emphasized by means of special signs. 2.1 Important information Always read the manual before using the valve! WARNING Indicates that special procedures must be followed to avoid serious personal injury. CAUTION Indicates that special procedures must be followed to avoid damage to the valve.
2.3 Safety precautions Actuators marked with year 2012 (New actuator design): Alfa Laval recommend only to use 43.5 PSI (3 bar) support air on the spring side in all the Unique 7000 actuators, to ensure 145 PSI (10 bar) product pressure without leakage.
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2 Safety All warnings in the manual are summarized on this page. Pay special attention to the instructions below so that severe personal injury and/or damage to the valve are avoided. Installation: Always read the technical data thoroughly (See chapter 6 Technical data) Always release compressed air after use Never touch the moving parts if the actuator is supplied with compressed air Never touch the valve or the pipelines when processing hot liquids or when sterilizing...
Check the delivery for: CAUTION 1. Complete valve, shut off valve (RA) or change-over valve (RA) (see steps 2a and 2b). Alfa Laval cannot be held responsible for incorrect unpacking. 2. Delivery note. 3. Instruction manual. Step 2 Shut-off valve: 1.
Step 1 Always read the technical data thoroughly. Always release compressed air after use. CAUTION Alfa Laval cannot be held responsible for incorrect installation. Step 2 Never touch the moving parts if the actuator is supplied with compressed air. Moving parts!
3 Installation Study the instructions carefully. The valve is supplied as separate parts to facilitate the welding. The items refer to the parts list and service kits section. Check the valve for smooth operation after welding. 3.3 Welding Step 1 Assemble the valve in accordance with the steps in section 4.4 Pay special attention to the warnings! i Step 2...
- At end of use, the equipment shall be recycled according to relevant, local regulations. Beside the equipment itself, any hazardous residues from the process liquid must be considered and dealt with in a proper manner. When in doubt, or in the absence of local regulations, please contact the local Alfa Laval sales company...
Always read the technical data thoroughly. See chapter 6 Technical data Always release compressed air after use. CAUTION Alfa Laval cannot be held responsible for incorrect operation. Step 2 Never touch the valve or the pipelines when processing hot liquids or when sterilizing.
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4 Operation Study the instructions carefully and pay special attention to the warnings! Ensure that the valve operates smoothly. The items refer to the parts list and service kits section. Step 5 Lubrication of actuator 1. Ensure smooth movement of the actuator (the actuator is lubricated before delivery).
4 Operation Pay attention to possible faults. Study the instructions carefully. The items refer to the parts list and service kits section. 4.2 Troubleshooting NOTE! Study the maintenance instructions carefully before replacing worn parts. - See section 5.1! Problem Cause/result Repair External product leakage Worn or product affected diaphragm stem...
4 Operation The valve is designed for cleaning in place (CIP). CIP = Cleaning In Place. Study the instructions carefully and pay special attention to the warnings! NaOH = Caustic Soda. = Nitric acid. 4.3 Recommended cleaning Step 1 Caustic danger! Always handle lye and acid with great care.
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4 Operation The valve is designed for cleaning in place (CIP). CIP = Cleaning In Place. Study the instructions carefully and pay special attention to the warnings! NaOH = Caustic Soda. = Nitric acid. Step 5 Always rinse! 1. Avoid excessive concentration of the cleaning agent. 2.
5 Maintenance Maintain the valve regularly. Study the instructions carefully and pay special attention to the warnings! Always keep spare rubber seals and lip seals in stock. 5.1 General maintenance Step 1 NOTE All scrap must be stored/discharged in accordance with current rules/directives.
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5 Maintenance Maintain the valve regularly. Study the instructions carefully and pay special attention to the warnings! Always keep spare rubber seals and lip seals in stock. Below are some guidelines for maintenance and lubrication intervals. Please note that the guidelines are for normal working conditions in one shift.
5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. NC = Normally closed. NO = Normally open. A/A = Air/air activated. 5.2 Dismantling of valve Step 1 Dismantling of valve: 1.
5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. A/A = Air/air activated. Service tool: See Spare Parts. 5.5 Positioner end 1. Remove the air hose connections of the positioner (47) and the actuator. 2.
5 Maintenance Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly. A/A = Air/air activated. Service tool: See Spare Parts. 5.8 Assembly of optimal maintainable actuator Reverse order of 5.6. Dismantling of actuator. Lubricate O-ring (3,7,11) with Molykote Longterm 2 plus before fitting.
6 Technical data It is important to observe the technical data during installation, operation and maintenance. Inform the personnel about the technical data. 6.1 Technical data Data - valve/actuator Max. product pressure: 145 PSI (1000 kPa) (10 bar) Max. product pressure: Full vacuum 8 (depending on product specifications) Max.
7 Unique 7710 Regulating Valve It is important to observe the technical data during installation, operation and maintenance. Inform the personnel about the technical data. 7.1 Unique 7710 Regulating Valve For parts lists please see section 7.1. The drawings include items.
7 Unique 7710 Regulating Valve It is important to observe the technical data during installation, operation and maintenance. Inform the personnel about the technical data. 7.2 Unique 7710 Regulating Valve (NC) (NO) TD 461-673 (NC) (NO)
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7 Unique 7710 Regulating Valve It is important to observe the technical data during installation, operation and maintenance. Inform the personnel about the technical data. Parts list Pos. Denomination Actuator Bushing O-ring O-ring Plug Air fitting Clamp Bonnet ♦...
7 Unique 7710 Regulating Valve It is important to observe the technical data during installation, operation and maintenance. Inform the personnel about the technical data. 7.3 Maintanable actuator TD 461-782...
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7 Unique 7710 Regulating Valve It is important to observe the technical data during installation, operation and maintenance. Inform the personnel about the technical data. Parts list Pos. Denomination Actuator Cylinder Piston O-ring Adapter Bushing O-ring O-ring ...
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