Filter selection, designing and manufacturing for customer, and various analysis

1. Check points to select the filter When selecting the filter, please refer to the provided flow sheet.First of all, clarify the purpose and required conditions, then please select the most suitable filter. 2. Filter rating Regretfully, no unified data for the nomimal filtration rating exists arrangedby the respective filter manufacturers. We have clarified the initial absolute filtration accuracy of the filters which were confirmed by our own established test methods independently, and indicated it on our catalogues. The initial absolute filtration accuracy of the membrane filters are clarified based on JIS and ASTM.

3.	Characteristics of filters(Flow rate-Pressure loss)
	This indicates the characteristics of filters between the initial flow rate and the pressure loss. It would be favorableif the pressure loss which is lower, saving running cost.
4.	Filter integrity
	This shows that whether uniformity of the filter medium is kept or not, whether any defects of the filter medium occurs or not, and whether any defects of the filter assembly (leak,etc.)occurs or not. We are offering reliable filters by our own inspections under strict product quality control system for most products.
5.	Service life
	We are executing the accelerate-life test, the trial life examination, etc. for estimating dust holding capacity, integrated flow capacity, etc.
6.	Chemical compatibility
	We clarify the conformity of the filter for the fluid that is being used, by executing tests for chemicals, solvents, etc. in accordance with the JIS standard, etc.
7.	Maximum operating temperature
	We clarify the usable temperature range of the filter for fluid operating temperatures.

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