* 1. under condition (*2) , the test value.
* 2. Max. pressure for continuous operation permitted.
* 3. dB(A) value gets from 4 points & 1 meter distance test.
* 4. can not be operated with closed intake & outlet , a suitable pressure-relief valve must be used.
* 1. under condition (*2) , the test value.
* 2. Max. pressure for continuous operation permitted.
* 3. dB(A) value gets from 4 points & 1 meter distance test.
* 4. can not be operated with closed intake & outlet , a suitable pressure-relief valve must be used.