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Yoshitake BFV-1S Product Manual

Butterfly valve
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Model BFV-1S Butterfly Valve
Thank you very much for choosing the Yoshitake's product. To ensure the correct and
safe use of the product, please read this manual before use. This manual shall be kept with
care for future references.
The symbols used in this manual have the following meanings.
⚠Warning
⚠Caution
1.
2.
2.1. Structure and dimensions of 50-150A ....................................... 2
2.2. Structure and dimensions of 200-300A ........................................... 3
2.3. Handle installation ........................................................................ 4
3.
3.1. Cautions for installation ............................................................... 4
4.
4.1. Warnings and cautions for product usage ................................ 5
5.
5.2. Periodic inspection ........................................................................ 6
5.3. Troubleshooting ............................................................................. 6
6.
Product Manual
This symbol indicates a potentially hazardous situation that, if not avoided,
could result in death or serious injury.
This symbol indicates a hazardous situation that, if not avoided, may result in
minor or moderate injury or may result in only property damage.
Specifications ...................................................................................... 1
Structure and dimensions ................................................................. 2
Installation ........................................................................................... 4
Operation ............................................................................................. 5
Maintenance and inspection ............................................................. 5
Disposal ............................................................................................... 6
Contents
■EPDT-383■

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Summary of Contents for Yoshitake BFV-1S

  • Page 1: Table Of Contents

    Model BFV-1S Butterfly Valve Product Manual Thank you very much for choosing the Yoshitake’s product. To ensure the correct and safe use of the product, please read this manual before use. This manual shall be kept with care for future references.

  • Page 2: Specifications

    1. Specifications Model BFV-1S Nominal size 50-150A (Lever-operated), 200-300A (Gear-operated) Steam, air, water, oil and other non-dangerous fluid Application Max. pressure According to the Pressure-Temperature rating Max. temperature Stainless steel Body Stainless steel Material Disc PTFE Seat Wafer (Applicable flange standards: JIS 10K,...

  • Page 3: Structure And Dimensions

    2. Structure and dimensions 2.1. Structure and dimensions of 50-150A Part name Q’ty Part name Q’ty 1 set Body Retainer Bolt Seat Retainer Bolt Disc 1 set Seat Taper Pins Stem Plug Bearing Name Plate 1 set Gland Packing Indicator Plate Gland Lever Handle* *The lever handle [16] is not attached when shipped.

  • Page 4: Structure And Dimensions Of 200-300A

    2.2. Structure and dimensions of 200-300A Part name Q’ty Part name Q’ty 1 set Body Retainer Bolt Seat Retainer Bolt Disc 1 set Seat Taper Pins Stem Plug Bearing Name Plate 1 set Gland Packing Gearbox Gland Handwheel* *The lever handle [16] is not attached when shipped. (mm) Weight Size...

  • Page 5: Handle Installation

    2.3. Handle installation 50-150A Attach the handle with its tip pointing at the “SHUT” position, and fix it with a flat head screw. Flat head screw Handle OPEN SHUT 200-300A Align the holes of the handle and the shaft. Insert the pin and hit it with a hammer to fix them.

  • Page 6: Operation

    (7) Do not install the product on the suction side of the pump. *Such installation will damage the product. (8) Avoid installing the product at a location where the flow is uneven, such as near the discharge outlet of the pump, outlet of an elbow, downstream side of a reducer and outlet side of a control valve.

  • Page 7: Periodic Inspection

    5.2. Periodic inspection Conduct periodic inspection once a year to maintain functions and performance of the product. If abnormalities were detected, refer to “5.3 Troubleshooting” and take measures. Inspection items ○Whether opening and closing operation is normal ○Whether there is abnormal noise ○Whether there is external leak 5.3.

  • Page 8: Warranty Information

    ( e.g. in case of corrosion due to outdoor use). Fire, flood, earthquake, thunder and other natural disasters. Consumable parts such as O-ring, gasket, diaphragm and etc. Yoshitake is not liable for any damage or loss caused by malfunction or defect of the product. PDD-046f...

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