891 Rotary Inside Single Seal
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Indiana
Chesterton’s 891 Component Mechanical Seal is a balanced high performance, component single seal. The 891 can be run against many different stationary seal rings for maximum flexibility in many applications. It is a non-fretting design that will not damage the shaft sleeve or any metal parts within the seal.
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Technical Data
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Temperature Rating:
-20°F to 400°F, Fluorocarbon, -65°F to 300°F, Ethylene Propylene, 0°F to 500°F, Kalrez
Shaft Speed:
4000
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Array
Size Range:
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1in to 4-1/2in
Standard O-Ring Materials:
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Ethylene Propylene, Fluorocarbon
Standard Metal Parts Material:
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316 SS
Optional Metal Parts Materials:
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Alloy, Alloy 20, Hastelloy B, Hastelloy C, Monel, Nickel, Titanium
Standard Spring Material:
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C-276
See product datasheet for additional details