Precautions For Use - Yoshitake AF-10EN Product Manual

Full bore safety valve
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1. Do not touch the product, pipes, or the lever [4] with bare hands.
* Failure to follow this notice may result in scalds or injury in case that the fluid is hot.
2. Wear earplugs when checking the operation of the product, and do not stand in front of the discharge
pipe. Do not look into the pipe or put your hands out to the pipe.
* The product makes a loud blowing noise during operation. Failure to follow this notice may cause
scalds or injury due to blowout.
3. Do not disassemble the product.
* Please contact us if anything abnormal is noticed.
1. Checking the operation of the product depends on blowing through the product with using the lever [4].
Moving the lever causes loosening of spring pressure and thus allows minimum lift of valve and blow of
fluid.
2.
Make the inlet pressure 80% of the set pressure or higher before operating the lever. After blowing
through the product by pulling up the lever, check that the lever has returned to the original position. In
case of raising the fluid pressure, check beforehand that no problems will occur regarding the equipment
installed onto the piping.
* Failure to follow this notice may damage the equipment.
3. If any leakage is observed after blowing through the product, there is a possibility that a foreign
substance may be stuck between the sealing surfaces. In this case, blow through the product once again
to remove it. If there remains a leakage despite of this action, please contact us.
6. Precaution for use
Warning
Caution
7
■EPDT-395■

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