Material options for rollers and seals are listed in the
order of recommendations for usage. These recommendations are only a
general guide.
| Application |
Specific Chemicals |
Suggested Pump,
Rollers and Seals |
| WEED CONTROL
CHEMICALS |
Emulsions, soluble
powders, sodium arsenate. |
Use a
Silver Series, Ni-Resist, or cast iron pump, Super Rollers and Viton
seals.
Note: For weed control chemicals containing
glyphosate ( such as Roundup®) or other acidics, use only a
Silver Series pump with Super or poly rollers and Viton seals.
Teflon rollers may be used up to 100 psi. |
| INSECT CONTROL |
Emulsions not
containing aromatic solvents. |
| BRUSH CONTROL |
Heavy-duty sprays
using diesel oil for carrier. |
Use a
Silver Series, Ni-Resist or cast iron pump with Super Rollers. Use
Viton or leather seals. |
| PEST CONTROL
CHEMICALS, FUMIGANTS, ETC. |
This category or use
includes mosquito sprays, termite control liquids, nematocides, soil
and grain fumigants where any of the following chemicals with
aromatic solvents are present:
Pentachlorophenol, xylene, xylol, benzene, high sulphur fuel or
diesel oil. Fumigants containing: ethylene dibromide, carbon
tetrachoride, perchlorethylene, trighlorethylene, methyl bromide,
and other aromatic solvents. |
| LIQUID FERTILIZERS |
Up to 32% nitrogen
content, or others if the liquid is at atmospheric pressure and the
temperature is handled. |
Use a Silver Series,
Ni-Resist pump with poly rollers and Buna-N seals. |
| POWDERED
FERTILIZERS |
Fertilizers dissolved
in water (greenhouse plant food). |
Use a
Silver Series, Ni-Resist or cast iron pump, Super, rubber or poly
rollers and Buna-N or Viton seals.
Note: Limit pressure to 100 psi when using
rubber rollers or wettable powders. |
| PUMPING |
Large quantities of
plain water. |
| SPRAYING |
Wettable powder
sprays. |
| MATERIAL HANDLING |
Heavy abrasive
powders in suspension. |
| ACIDS |
Mild sulfuric acid
for spraying. Mild muriatic acid, inhibited muriatic, etc. |
Use a Silver Series
pump, poly or Teflon rollers and Viton seals.
Note:Limit pressure to 100 psi when using
Teflon rollers. |