Material options for rollers and seals are listed in the
order of recommendations for usage. These recommendations are only a
Rollers and Seals
powders, sodium arsenate.
Silver Series, Ni-Resist, or cast iron pump, Super Rollers and Viton
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.
containing aromatic solvents.
using diesel oil for carrier.
Silver Series, Ni-Resist or cast iron pump with Super Rollers. Use
Viton or leather seals.
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.
||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.
in water (greenhouse plant food).
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.
||Large quantities of
powders in suspension.
||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