Yoshitake BLV-2SF Product Manual Download Page 1

EPDT-369

 

 

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. 

 

The symbols used in this manual have the following meanings.  

 

Warning   

 

This  symbol  indicates  a  potentially  hazardous  situation  that,  if  not  avoided, 

could result in death or serious injury.

 

 

 
 

 

 

 

Caution   

 

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 

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 

5.1.

 

Warnings and cautions for 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 

Warranty Information   

 

 

 
 
 
 
 
 
 

 

 

 

Summary of Contents for BLV-2SF

Page 1: ...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 1 Specifications 1 2 Structure and dimensions 2 2...

Page 2: ...l bore type There is no restriction on flow direction Anti static design prevents static electricity charging on the valve The collar on the lower end of the stem prevents the stem from popping out du...

Page 3: ...t name Q ty No Part name Q ty 1 Body 1 10 Gland 1 2 Cap 1 11 Nut 1 set 3 Ball 1 12 Stud bolt 1 set 4 Seat 2 13 Bolt 2 5 Gasket 1 14 Spring washer 2 6 Stem 1 15 Anti static device 2 7 Thrust washer 1 1...

Page 4: ...0 10 14 25 108 79 2 51 1 6 11 2 4 16 2 8 32A 140 63 94 165 M6 50 10 14 32 117 3 88 9 63 5 1 6 12 7 4 16 3 7 40A 165 82 8 113 230 M8 70 14 21 38 127 98 6 73 1 6 14 3 4 16 5 9 50A 178 86 7 122 230 M8 70...

Page 5: ...e valve operate the valve slowly to prevent water hammer and condensate problem Valves fitting or equipment may be damaged by water hammer or condensate problem 4 The product should be used fully open...

Page 6: ...ut 11 is loose Tighten nut 11 Bolt 13 is loose Tighten bolt 13 Gasket 5 is damaged Replace seat 4 and gasket 5 Gland packing 8 is damaged Replace all the packings Seat leak Seat 4 is damaged Replace s...

Page 7: ...Insert the stem 6 from inside the body 1 and push in until the collar of the stem 6 contacts the body 1 Then rotate it until the full close position 6 Mount the ball 3 on the body 1 so that its groov...

Page 8: ...improvement without any prior notice After the discontinuation of the product Yoshitake supplies the repair parts for 5 years otherwise individually agreed 3 This warranty does not cover the damage d...

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