EPDT-338
BELLOWS VALVE
BSV-10F,20F,2EN
PRODUCT MANUAL
.
Thank you very much for choosing the Yoshitake 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.
1. Specification
Model
BSV-10F
BSV-20F
BSV-2EN
Nominal size
15 to 100A
Application
Steam, Air, Cold and hot water, Oil, Other non-dangerous fluids
Max. using pressure
1.4 MPa*1
2.8 MPa*1
1.6 MPa*2
2.5 MPa*2
Max. using temperature
300
℃
*1
350
℃
*1
300
℃
*2
350
℃
*2
Connection
JIS 10K FF
flanged
JIS 20K RF
flanged
BSEN PN16
flanged
BSEN PN25
flanged
*1 The relation between using pressure and using temperature is according to JIS B2051 Pressure -
temperature rating.
*2 The relation between using pressure and using temperature is according to BSEN1092-2 Pressure -
temperature rating.
Caution
Please confirm that the indications on the product correspond with the specifications of the ordered
product model before use.
* If they are different, please contact us without using the product.
2. Storage and Installation
Caution
(1) Store the product indoors in a dust free, low humidity, dry and ventilated environment.
(2) Installation should be conducted by suitably trained personnel, wearing protective head, eye, hand
and foot protection.
(3) To install the product, check the direction of the product so that the fluid flowing and the arrow marked
on the product are in the same direction.
(4) Be careful that the threaded connection between the mating pipe and the internal threaded
connections of the valves are in line to avoid piping stresses in the valves.
(5) In case that the product is expected to be frozen, be sure to conduct freezing prevention measures
or water draining treatment (after use).
3. Operation
Warning
Before applying fluid, make sure that there is no danger if the fluid flow into the end of the piping.
*Failure to follow this notice may result in property damage due to fluid leakage.