EPDT-312ｄ
GLOBE VALVE
GLV-10F＆20F
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
GLV-10F
GLV-20F
Nominal size
15 to 50A
Application
Steam, Air, Cold and hot water, Oil, Other non-dangerous fluids
Max. using pressure
1.4 MPa*1
2.8 MPa*1
Max. using temperature
300
℃
*1
350
℃
*1
Connection
JIS 10K FF flanged
JIS 20K RF flanged
*1 The relation between using pressure and using temperature is according to JIS B2051 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) During transportation or storage of the product leakage may occur from the gland nut due to
decreasing of tightening pressure by stress relaxation of the packing. Be sure to retighten the gland
nut before use.
(6) 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.
Caution
(1) When using the product with its valve fully open, turn the handle counterclockwise by 45 degrees
from the fully open position to prevent the valve from being stuck.
(2) Be sure to open/close the valve by applying torque within the limit specified in "the valve User's
Guide" published by the Japan Valve Manufactures Association. Do not apply torque more than
specified.
(3) Do not try to turn the handle beyond its fully open/closed positions. Otherwise the valve may be
damaged.
