Yoshitake BLV-2SF Product Manual
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Yoshitake BLV-2SF Product Manual

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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. Specifications .......................................................................................... 1
2. Structure and dimensions...................................................................... 2
2.1 Structure and main parts ................................................................ 2
2.2 Dimension and weights ....................................................................... 3
3. Installation ................................................................................................ 4
3.1. Cautions for installation .................................................................. 4
4. Operation ................................................................................................. 4
4.1. Warnings and cautions for product usage ................................... 4
5. Maintenance and inspection ................................................................. 5
5.2. Periodic inspection ........................................................................... 5
5.3. Troubleshooting ................................................................................ 5
5.4. Cautions for disassembly and re-assembly ................................. 5
5.5. Disassembling procedure ............................................................... 6
5.6. Assembling procedure ..................................................................... 6
6. Disposal .................................................................................................... 6
Model BLV-2SF Ball valve
Product Manual
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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.
Contents
■EPDT-369■

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Summary of Contents for Yoshitake BLV-2SF

  • Page 1: Table Of Contents

    Model BLV-2SF Ball 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 BLV-2SF Nominal size 15-100A Application Steam, air, cold and hot water, oil, other non-dangerous fluid Max. pressure According to Pressure-Temperature rating Max. temperature Stainless steel Body, cap Stainless steel Material Ball PTFE Ball seat JIS 10K RF...

  • Page 3: Structure And Dimensions

    2. Structure and dimensions 2.1 Structure and main parts Part name Q’ty Part name Q’ty Body Gland 1 set Ball Stud bolt 1 set Seat Bolt Gasket Spring washer Stem Anti-static device Thrust washer Stopper Gland packing Snap ring Stem packing Handle ■EPDT-369■...

  • Page 4: Dimension And Weights

    2.2 Dimension and weights (mm) Flange JIS 10K RF Weight Size (kg) 51.7 1 12 4-15 58.5 1 14 4-15 54.7 1 14 4-19 2 16 4-19 73.8 2 16 4-19 86.7 2 16 4-19 116 2 18 4-19 12.7 126 2 18 8-19 17.8...

  • Page 5: Installation

    3. Installation 3.1. Cautions for installation ⚠Caution (1) Do not disassemble the product unless it is necessary. *It may prevent the product from functioning properly. (2) Connect the product firmly so that the fluid will not leak. *If connection is not firm, fluid might leak by vibration. Hot fluid may cause burn. *Select sealing gaskets suitable for the fluid characteristics, pressure and temperature.

  • Page 6: Maintenance And Inspection

    5. Maintenance and inspection 5.1. Warnings and cautions for maintenance and inspection ⚠Warning (1) When disassembling and inspecting the product, ensure that pressure in the valve and pipe is released to atmospheric pressure. If using with high temperature fluids, cool the product down well until it can be touched with bare hands. *If the fluid flows out, the surroundings will get dirty.

  • Page 7: Disassembling Procedure

    5.5. Disassembling procedure Close the valve fully. Detach the snap rings [17] from the stem [6], and remove the handle [18] and stopper [16]. Remove the nuts [11] fixing the body [1] and cap [2], and take the cap [2] off the body [1].

  • 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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