All-Flo A200-NAA-VVYV-000 2 Aluminum - Manual (Page 32)

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WETTED ELASTOMERS
32
SECTION
9
ELASTOMERS & REPAIR KITS
VITON®
is an elastomer with good corrosion resistance to a
wide variety of chemicals. Temperature range -40°F
to 350°F (-40C to 177C).
PTFE (POLYTETRAFLUOROETHYLENE)
is a thermoplastic polymer that is inert to most
chemicals. Similar in chemical resistance to Teflon
®
.
Temperature range 40°F to 220°F (4C to 104C).
Most of the above elastomers are available in FDA
approved formulations.
Viton ® is a registered trademark of DuPont Performance Elastomers L.L.C.
Geolast ® is a registered trademark of ExxonMobil Chemical Co.
Santoprene ® is a registered trademark of ExxonMobil Chemical Co.
Teflon ® is a registered trademark of DuPont Performance Elastomers L.L.C.
Magnalube ® is a registered trademark of Carleton-Stuart Corp.
BUNA-N (NITRILE)
is a general purpose elastomer used with water and
many oils. Temperature range 10°F to 180°F (-12C to
82C).
GEOLAST®
is an injection molded thermoplastic material with
characteristics similar to Nitrile. Has excellent
abrasion resistance. Temperature range 10°F to 180°F
(-12C to 82C).
EPDM
is a general purpose elastomer with good resistance
to many acids and bases. Temperature range -40°F
to 280°F (-40C to 138C).
SANTOPRENE®
is an injection molded material with characteristics
similar to EPDM. Has excellent abrasion resistance.
Temperature range -40°F to 225°F (-40C to 107C).
FKM
is an elastomer with good corrosion resistance to
a wide variety of chemicals. Similar in chemical
resistance to Viton
®
.Temperature range -40°F
to 350°F (-40C to 177C).