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Plan 01 |
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Integral (Internal) recirculation from pump discharge to
seal |
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Plan 02 |
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|
Dead-ended seal chamber with no circulation of flushed
fluid; water - cooled stuffing - box jacket ant throat
bushing required when specilied |
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|
Plan 11 |
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|
Recirculation from pump case through orifice and heat
exchanger to seal |
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Plan 12 |
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Recirculation from pump case through strainer and
orifice to seal |
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Plan 13 |
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Recirculation from seal chamber through orifice and back to
pump suction |
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Plan 21 |
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Recirculation from pump case through orifice to seal |
| |
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Plan 22 |
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|
Recirculation from pump case through strainer, orifice and
heat exchanger to seal |
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|
Plan 23 |
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|
Recirculation from seal with pumping ring through heat
exchanger and back to seal |
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Plan 31 |
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Recirculation from pump case through cyclone separator
delivering clean fluid to seal fluid with solids back to
pump suction |
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Plan 32 |
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|
Injection to seal from external source of clean fluid |
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Plan 41 |
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|
Recirculation from pump case through cyclone separator
delivering clean fluid through heat exchanger to seal and
fluid with solids back to pump suction |
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Plan 51 |
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|
Dead-ended blanket typically used with auxiliary sealing
device |
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Plan 52 |
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Non-pressurized external fluid reservoir with forced
circulation (typically used with dual seal) |
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|
Plan 53 |
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|
Pressurized external fluid reservoir with forced circulation
(typically used with dual seal) |
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|
Plan 54 |
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|
Circulation of clean fluid from external system (typically
used with dual seal arrangement 3) |
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Plan 61 |
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|
Tapped connection provided for purchaser's use
(typically used to provide fluid such as steam, gas, or
water to an auxiliary sealing device) |
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Plan 62 |
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External fluid quench (steam, gas, water, etc.) typically
used with throttle bushing |
