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Kitz UV Operation Manual

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Document No.：KE-2016-00                                                                 
Operation Manual
KITZ Butterfly Valves with Threaded Ends
Product Codes UV and FV
Thank you for having chosen KITZ products.  
For safe and trouble-free use of the product, ensure to
carefully read all instructions of this manual before
handling of the product.
convenient place for easy access of all valve operating
personnel.
     
for
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  • Page 1       KITZ Butterfly Valves with Threaded Ends Product Codes UV and FV Thank you for having chosen KITZ products.   For safe and trouble-free use of the product, ensure to carefully read all instructions of this manual before handling of the product.

  • Page 2: Notes To Users

    KITZ Corporation considers necessary. ◆  If any item of this manual is not strictly followed by users, KITZ Corporation shall have no responsibility for any resulting accident or failure of the product.

  • Page 3: Table Of Contents

    Handling and Storage of Valves ････････････････････････････ Ⅳ Valve Mounting on Pipes ･････････････････････････････ Ⅴ Manual Valve Operation ･････････････････････････ Ⅵ Periodic Valve Maintenance ･･････････････ Ⅶ Disassembly and Reassembly of Valves ･･････････････････････････････ Ⅷ KITZ Product Warranty ･････････････ Ⅸ Emergency Call for Technical Assistance...
  • Page 4 Document No. ： KE-2016-00 Sheet:1 /25                  CHAPTER Ⅰ Valve Design Structure and Functions...

  • Page 5: Ⅰ Valve Design Structure And Functions

    Sheet:2 /25  Ⅰ  Valve Design Structure and Functions 1. Scope of application This operation manual is applied to manual operation of KITZ threaded end butterfly valves. 2. Design Structure 2.1. KITZ Product Code UV: Stainless steel butterfly valves with threaded ends...
  • Page 6 Document No. ： KE-2016-00 Sheet:3 /25    Ⅰ  Valve Design Structure and Functions 3. Design features 3.1 Full port design to minimize concern of internal foreign residue. 3.2 Threaded end piping connection recommended for small diameter piping systems in diverse application. 3.3 Highly elastic, leak-free W-NBR liner suitable for tight shut-off of air and gaseous fluid.
  • Page 7 Document No. ： KE-2016-00 Sheet:4 /25                    CHAPTER Ⅱ A Valve Operator  ...

  • Page 8: Ⅱ A Valve Operator

    Document No. ： KE-2016-00 Sheet:5 /25  Ⅱ  A Valve Operator 1. A Lever Handle Type Operator 1.1 A lever handle type operator is directly mounted on the top of a valve. 1.2 Clockwise turn of the lever closes a valve, while counter-clockwise turn open a valve. Locking at an intermediate position is possible.
  • Page 9 Document No. ： KE-2016-00 Sheet:6 /25                    CHAPTER Ⅲ   Handling and Storage of Valves  ...

  • Page 10: Ⅲ Handling And Storage Of Valves

    Document No. ： KE-2016-00 Sheet:7 /25  Ⅲ  Handling and Storage of Valves 1. Handling 1.1 Cautions on handling valves (1) Handle the product with the utmost care, if it has been packed in a cardboard case while presence of excessive moisture might have deteriorated the quality of the cardboard and the product might easily fall off the case.
  • Page 11 Document No. ： KE-2016-00 Sheet:8 /25                  CHAPTER Ⅳ Valve Mounting on Pipes  ...

  • Page 12: Ⅳ Valve Mounting On Pipes

    Document No. ： KE-2016-00 Sheet:9 /25  Ⅳ  Valve Mounting on Pipes 1. Cautions on installation environments (1)  Materials of valve trims and liners determine service pressures, service fluids and service temperatures. Prior to valve installation, check valve nameplates or relevant valve catalogs to ensure that you have adequately selected valves meeting on-site...
  • Page 13 Document No. ： KE-2016-00 Sheet:1 0/25  Ⅳ  Valve Mounting on Pipes 2. Cautions on Valve Mounting on Pipes Take care not to allow any person enter into hazardous workplaces where valves are being mounted in high places. (1)  Take care not to damage threads and liner surfaces of valves while working for valve mounting.
  • Page 14 Document No. ： KE-2016-00 Sheet:1 1/25  Ⅳ  Valve Mounting on Pipes 2.1 Check and ensure the following prior to mounting valves on pipes. 2.1.1 The valve design specification meets the service fluid pressure. 2.1.2 Threaded end specification of valves matches that of pipe ends to joint. 2.1.3 Threaded ends of valves and pipes are free from any defect or damage.
  • Page 15 Document No. ： KE-2016-00 Sheet:1 2/25                    CHAPTER Ⅴ Manual Valve Operation...

  • Page 16: Ⅴ Manual Valve Operation

    (4)  Ensure to operate lever handles only by hands. (5)  Ensure to consult with KITZ Corporation, if butterfly valves must be left open by 30°or narrower on site. 2. Opening or Closing Butterfly Valves 2.1 Turn a lever handle clockwise by 90°to fully close a valve.
  • Page 17 Piping threads Retightening threads fluid Soap solution leakage Visual inspection Replacing Valve surface Soap solution entire valves Contact to Entire Listening KITZ engineers valve body appropriate actions Generation of abnormal Loosened bolting Listening Retightening bolting noise Contact to Piping vibration Listening...
  • Page 18 Document No. ： KE-2016-00 Sheet:1 5/25                    CHAPTER Ⅵ   Periodic Valve Maintenance...

  • Page 19: Ⅵ Periodic Valve Maintenance

    Document No. ： KE-2016-00 Sheet:1 6/25  Ⅵ  Periodic Valve Maintenance 1. Periodic Inspection of Valves 1.1 Periodic inspection is recommended once a year for all valves being mounted on pipelines. 1.2 Confirm that all valves satisfactorily perform their functions in full security. 1.3 Items and methods of inspection are the same as listed for daily inspection in Article Ⅴ.
  • Page 20 Document No. ： KE-2016-00 Sheet:1 7/25  Ⅵ  Periodic Valve Maintenance 2.3 Tests and inspections Confirm the following matter. 2.3.1 Operational inspection (1)  Check if lever handles can be easily rotated and valves are smoothly operated without galling or sticking on moving parts. (2) ...
  • Page 21 Document No. ： KE-2016-00 Sheet:1 8/25                    CHAPTER Ⅶ   Disassembly and Reassembly of Valves...

  • Page 22: Ⅶ Disassembly And Reassembly Of Valves

    1.3.3 Remove the handle nut [10] from the valve body. 1.3.4 Remove the lever handle [9], the wave washer [43B], the disc spring [43A] and, for Product Code UV, the washer [47] from the valve body. 1.3.5 Loosen and remove the packing gland [7] from the valve body.
  • Page 23 2.3.4 Insert the packing gland [7] into the valve body and tighten it. 2.3.5 Assemble the disc spring [43A] and the wave washer [43B] with the stem. 2.3.6 Assemble the washer [47] (for Product Code UV) with the valve body. 2.3.7 Mount the lever handle [9] on the valve body.
  • Page 24 Packing gland Lever handle Handle nut Disc spring Wave washer O-ring Setting bolt These are our standard design structures. Refer to the detailed product drawings provided by KITZ Corporation for actual disassembly or reassembly of valves in service.    ...
  • Page 25 Document No. ： KE-2016-00 Sheet:2 2/25                    CHAPTER Ⅷ KITZ Product Warranty...

  • Page 26: Ⅷ Kitz Product Warranty

    1.2 The product has not been modified by any party other than KITZ Corporation or its authorized modification shops. 1.3 The product function and performance have not been deteriorated by aging.
  • Page 27 Document No. ： KE-2016-00 Sheet:2 4/25                    CHAPTER Ⅸ Emergency Call for Technical Assistance...

  • Page 28: Ⅸ Emergency Call For Technical Assistance

    Ⅸ  Emergency Call for Technical Assistance 1. Emergency Call for Technical Assistance Should users need to contact KITZ Corporation, its distributors or its authorized service shops on technical problems of the products, they are recommended to inform the following: ◆  Arrival date of shipment and date of pilot operation ◆ ...

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