Company:   Department
Contact Name:   Telephone:
Address:   Fax:
      Email:

1. FIELD OF APPLICATION
Filter candles:
Filter disk (horizontal):
Filter Envelopes:
Cover for frame press:
Cover for chamber press:
Cover for rotary drum filter:
Belt for rotary drum filter:
Belt for belt filter:
Bag for rotary disc filter:
Fuel-filter:
Oil-filter:
Filter for automatic gears:
Other applications (which?)

2. FILTRATION PLANT
Manufacturer:
Age of Machine:
Which method of clean-off used?
If filter press, what plates are used?
Total no. of sheets or total filter area (m2):

3. OPERATING CONDITIONS
Temperature:
Pressure:
Nature of the Chemistry involve (eg. P.H. value):
What kind of process is involved?
Flow-capacity (m^3/m^2h at which pressure?):
Is the plant operated continuously? Yes No
Is the product cake or the filtrate?
Viscosity of liquid:

4. FILTER CAKE
Size of the filtered particles:
Physical properties (eg. gelatinous, abrasive,
conglomerating sticky, easily removal or not, etc)
Desired filter effect:

5. THE FILTER-MEDIUM
What medium is used at present?
Needle-felt:
Woven fabric:
Non woven:
Paper:
Type of fibre:
Thread count:
Weave pattern:
Yarm diameter:
Does it have a finish?
Weight:
Thickness:
Permeability to air:
Permeability to water:
Surface structure:
Number of layers used simultaneously:
Is any filter aid used:
Pore volume:
Pore calibration:

6. OPERATING EXPERIENCE
How long can the filter medium be used totally
(Lofe of filter media?)
Is the filter medium washed periodically?
If after how many working hours?
Has elongation been observed?
Has contraction been observed?
Are the filters damaged mechanically?
If so, in what way?
What kind of problems have arisen with the filter medium?
How is the cake release?
Are there any blinding problems?
Was chemical damage encountered?
What improvements are wanted?

Type of make up
Additional information
 
All above information will be treated with the strictest confidence. It will be used only to advise our customers on the best possible operating conditions of their filtration plants. If you are unable to answer all the questions, please send us samples or cuttings. Our laboratories, which are equipped with the most up to date scientific instruments for cake and filtration analyses, will be able to assist you free of charge.