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PRESSURE RATINGS OF EXPANSION JOINTS |
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TOP |
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NON-SHOCKING WORKING PRESSURE VS. TEMPERATURE R6904 FLEXIBLE
COUPLING
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Temperature |
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TOP |
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NON-SHOCKING WORKING PRESSURE VS. TEMPERATURE R6905 EXPANSION
JOINT
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Temperature |
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TOP |
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NON-SHOCKING WORKING PRESSURE VS. TEMPERATURE R6906 BELLOWS |
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Temperature |
VACUUM DATA
Maximum Temperature for Full Vacuum
(29.9" Hg)
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Size (in.)
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R6904
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R6905
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1-3
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425°F
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400°F
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4
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400°F
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400°F
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5-6
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400°F
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300°F
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8
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250°F
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125°F
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10
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250°F
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---
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12
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75°F
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---
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Note: These ratings are for flexible couplings or expansion joints
in the fully extended condition. When they are the neutral lengths
or compressed, it is sometimes possible to exceed the listed
temperature at full vacuum. Consult factory.
Bellows (R6906) are not recommended for vacuum service.
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