ZWAG Filter Questionnaire

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Product Information

What is the percentage of solids present?

By Volume (%)
By ppm (%)
By Weight (%)
Wet (kg/m3)
Dry (kg/m3)

Describe the liquid phase of the liquid to be filtered (Chemical or technical description)

Is the liquid (Check off as appropriate)

What is the specific gravity of the liquid to be filtered?

Enter specific gravity of liquid

What is its viscosity at filtration temperature?

cps
Degrees F

What is its viscosity at room temperature?

cps
Degrees F

Are the solids (in the wet and dry stage, before and after washing of the cake)

  Crystalline Crumbly Slimy Sticky Pasty Hygroscopic Not Sure
When Wet
When Dry
When Washed

What is the particle size in micron?

Average (micron)
Minimum (micron)
Maximum (micron)

What is the particle size distribution (PSD)?

Wt % <1 micron
Wt % <5 micron
Wt % <10 micron
Wt % <20 micron
Wt % <50 micron
Wt % <100 micron

What is the sedimentation speed of the solids in the slurry?

(ft/hr)

Process Information

Is the purpose of your filtration to obtain:

At what temperature do you wish to filter

Celsius (C)
Fahrenheit (F)

Must you wash residue in the filter?

What is the wash medium and temperature?

Wash Medium
Temperature (Fahrenheit F)

Process History

What type of filter has been used for this purpose up to now?

Type of Filter

What size of filter has been used for this purpose up to now?

Size of Filter (m2)

What type of screens has been used for this purpose up to now?

Type of Screens

What is the filtration rate in your existing filter, or obtained from tests?

liter/hour/m2
gpm/ft2

What is the pressure drop in your existing filter at the end of filtration?

Psig
Cake Thickness (inches)

What maximum filter cake thickness can you achieve?

Inches
Millimeter (mm)

Filter Construction

Based on your Knowledge of your product, what materials of construction should be used for the filter?

How do you want the filter vessel to be mounted?


What type of agitator drive do you prefer?


What type of a agitator blade would you require?


How do you want the media to be installed?


Which material is required for your filter screens?

screen filter material

Which nominal micron retention size is required for your filter screens?

(micron)

What gasketing material is required?

Enter gasket material

What type of side discharge do you prefer?


What type of bottom dish do you need?


What type of upper seal is required?


Would you require a seal pot?

Is a jacket required?


What is the design pressure and design temperature of the jacket?

Pressure (psig)
Temperature (Fahrenheit F)

Is insulation with a welded sheathing required?


What is your interior finish of the vessel?


What is the RA finish?

RA Finish

What is your exterior finish of the vessel?


What is the RA finish?

RA Finish

Do you want us to supply you with a control system?


Are you interested in renting a ZWAG Filter?


Are you sure what type of filter is best for your process?

Which rental unit would you like to use?

For how many weeks would you like to rent a ZWAG filter?

Rental Weeks

Will you need installation process or operation support?

Where would you like to perform these tests?

Additional comments and application data