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Hydraulic & Pneumatic Seals Materials |
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Nitrile (NBR) |
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Temperature range -40º to +120ºC
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Speeds to 18 m/s |
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General, all-purpose material, excellent for most
mineral oils and greases
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Fluorocarbon (Viton) |
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Excellent for high temperature applications |
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Superior performance and wear in heat and
harsh environments |
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Speeds to 35 m/s |
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Temperature range -40º to +200ºC |
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Resistant to most of the special lubricants and chemicals that
destroy nitrile, polyacrylates, or
silicons |
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Silicon (VMQ) |
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Excellent for low temperature capabilities
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Not to be used in dry running conditions |
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Speeds to 35 m/s
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Temperature range -50º to +170ºC |
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Polytetra -
Fluorethylene (PTFE) |
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Excellent for wide temperature range from -85º to
+235ºC
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Runs in dry conditions – very low friction
coefficient |
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Speeds to 45 m/s
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Outstanding resistance to chemicals
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Urethane (AU or PU) |
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Suitable for use in hydraulic oils
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Temperature range is -20º F to 210º F
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Available in 80 or 93 durometer Shore A hardness
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Other materials
such as Delrin, Phenalic, Polyamide (PA), acetal (POM),graphite-filled
PTFE, and other styles of hydraulic seals & Pneumatic Seals, are available upon
request. |
