4.3. Recommended cleaning ................. 5. Maintenance ................... 5.1. General maintenance ................5.2. Dismantling ..................5.3. Assembly ..................6. Technical data ..................6.1. Technical data ..................7. Parts list and service kits ................7.1. LKAP-V and LKAP-T air-operated valves with welding ends .........
1 EC Declaration of conformity Revision of Declaration of Conformity 2009-12-29 The Designated Company Alfa Laval Kolding A/S Company Name Albuen 31, DK-6000 Kolding, Denmark Address +45 79 32 22 00 Phone No. hereby declare that Valve Designation LKAP Type...
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 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. 2.3 Safety precautions Installation: Always observe the technical data (see section 6 Technical data) Always release compressed air after use.
Check the delivery: CAUTION 1. Complete valve, LKAP-V or LKAP-T 2. Delivery note Alfa Laval cannot be held responsible for incorrect unpacking. 3. Instruction manual Step 2 1. Clean the valve for possible packing materials 2. Inspect the valve for visible transport damage 3.
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3 Installation Study the instructions carefully and pay special attention to the warnings! The valve has welding ends as standard but can also be supplied with fittings. NO = Normally open. NC = Normally closed. Step 4 Fittings: Ensure that the connections are tight (remember seal rings). TD402-019_1 Step 5 Air connection: R 1/8”...
3 Installation Study the instructions carefully. The items refer to the drawings and the parts list in section 7 Parts list and service kits. Check the valve for smooth operation after welding. 3.3 Welding Step 1 1. Turn air cylinder (2) anticlockwise by hand with a strap wrench or with a spanner.
- 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 death with in a proper manner. When in doubt, or in the absence of local regulations, please contact the local Alfa Laval sales company.
The items refer to the drawings and the parts list in section 7 Parts list and service kits 4.1 General operation Step 1 CAUTION Alfa Laval cannot be held responsible for incorrect operation. Always read the technical data thoroughly. (see section 6 Technical data) Always release compressed air after use.
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. HNO3 = Nitric acid. 4.3 Recommended cleaning Step 1 Caustic danger! Always handle lye and acid with great care.
5 Maintenance Maintain the valve and the actuator carefully. Study the instructions carefully and pay special attention to the warnings! Always keep service kits in stock. Check the valve for smooth operation after service. 5.1 General maintenance Step 1 NOTE All scrap must be stored/discharged in accordance with current rules/directives.
5 Maintenance Study the instructions carefully. The items refer to the drawings and the parts list in section 7 Parts list and service kits 5.2 Dismantling Step 1 1. Turn air cylinder (2) anticlockwise by hand with a strap wrench or with a spanner 2.
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5 Maintenance Study the instructions carefully. The items refer to the drawings and the parts list in section 7 Parts list and service kits Step 4 1. Separate piston (6) from valve plug unit (12, 14) 2. Pull off O-ring (7) from the piston Step 5 1.
5 Maintenance Study the instructions carefully. The items refer to the drawings and the parts list in section 7 Parts list and service kits. Lubricate the rubber seals before fitting them. Step 7 1. Remove hollow spindle (12) from valve spindle (14) 2.
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5 Maintenance Study the instructions carefully. The items refer to the drawings and the parts list in section 7 Parts list and service kits. Lubricate the rubber seals before fitting them. Step 3 1. Fit O-rings (8, 9) into the grooves of bottom piece (10) 2.
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5 Maintenance Study the instructions carefully. The items refer to the drawings and the parts list in section 7 Parts list and service kits. Lubricate the rubber seals before fitting them. Step 6 1. Position spring (5) in the groove of piston (6) 2.
The valve is operated by means of compressed air and has spring return. It has few and simple moving parts which results in a very reliable valve. Standard Design LKAP consists of actuator with air cylinder and piston, double lipseal for stem, stem unit with replaceable O-ring in the plug, and valve body with welding connections.
7 Parts list and service kits It is important to observe the technical data during installation, operation and maintenance. Inform the personnel about the technical data. NO = Normally open. NC = Normally closed.
7 Parts list and service kits It is important to observe the technical data during installation, operation and maintenance. Inform the personnel about the technical data. NO = Normally open. NC = Normally closed. 7.1 LKAP-V and LKAP-T air-operated valves with welding ends TD 402-043_1...
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7 Parts list and service kits It is important to observe the technical data during installation, operation and maintenance. Inform the personnel about the technical data. NO = Normally open. NC = Normally closed. Parts list Pos. Denomination Plug Pointed screw Air cylinder Air cylinder ...
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