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API Plan 52 – AESSEAL
API Plan 52 · Description. Depressurised buffer flu circulation in outboard seal of a dual seal configuration through a seal support system. Circulation is …
Source: www.aesseal.com
Date Published: 9/7/2022
View: 6800
API Plan 52 – EN – EagleBurgmann
API Plan 52 … Reservoir proving buffer liqu for the outer seal of an arrangement 2 unpressurized dual seal. The buffer liqu shall be maintained at a …
Source: www.eagleburgmann.com
Date Published: 12/29/2022
View: 4737
API Plan 52 – Flexaseal
API Plan 52 External buffer liqu reservoir supplying clean flu to the outboard seal faces.
Source: www.flexaseal.com
Date Published: 4/28/2022
View: 7563
API Plan 52 – Mechanical Seal Support System – IndiaMART
In this plan external reservoir proves buffer flu for the outer seal of an un-pressurized dual seal arrangement (Arrangement 2).
Source: www.indiamart.com
Date Published: 2/26/2022
View: 6263
API Plan 52 – ATC ENSYS
API Plan 52 … Non pressurized buffer flu circulation in outboard seal of a dual seal configuration through a seal system. … In Piping Plan 52 there is an …
Source: atc-ensys.com
Date Published: 4/12/2021
View: 9793
API Plans | SEALING
API plan 52. API план 52, Description Circulation of buffer liqu under the atmospheric pressure through the tank. Appointment
Source: www.sealing.com.ua
Date Published: 5/22/2022
View: 2105
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주제에 대한 기사 평가 api plan 52
- Author: METAX Americas
- Views: 조회수 5,364회
- Likes: 좋아요 60개
- Date Published: 2021. 3. 24.
- Video Url link: https://www.youtube.com/watch?v=nyiunBi7qTg
API Plan 52
Description
Depressurised buffer fluid circulation in outboard seal of a dual seal configuration through a seal support system. Circulation is maintained by using pumping ring in running condition and by thermosyphon effect in stand still condition.
Features
1. No process contamination.
2. No direct process leakage to atmosphere.
3. No need to maintain pressure system as in Plan 53A.
Use
1. For media where product dilution is not allowed but leakage to atmosphere in diluted form may be allowed.
2. Preferred for clean, non-polymerizing media with vapour pressure higher than buffer fluid pressure
(Is also used for lower vapour pressure media).
Caution
1. Keep the sealant vessel vent continuously open, which is necessary to maintain buffer fluid pressure close to atmospheric pressure and vent the vapors to flare.
2. Should not be used in dirty or polymerizing products.
3. A restriction orifice is necessary in vent line to maintain back pressure in pot and facilitate quick release of vapors to flare.
4. Pressure switch setting should be done above minimum flare back pressure in order to avoid false alarms.
5. Never run the system with level in the sealant vessel being at low level as marked on the level gauge.
6. Check for temperature difference in inlet and outlet lines to ensure that circulation is on.
7. Vent the system properly before start up.
API Plan 52
API Plan 52
Reservoir providing buffer liquid for the outer seal of an arrangement 2 unpressurized dual seal. The buffer liquid shall be maintained at a pressure less than seal chamber pressure and less than 2.8 bar (40 PSI).
API Plan 52
External buffer liquid reservoir supplying clean fluid to the outboard seal faces.
Description
This plan is used in Arrangement 2 seals and requires the use of an unpressurized external pump seal pot and forced circulation via a pumping ring.
View Product
Application Notes
Used with Arrangement 2 seals.
Buffer system pressure is typically maintained close to atmospheric pressure.
Used in applications where product contamination from a barrier fluid is unacceptable.
Circulation of buffer liquid to and from the reservoir is dependent on thermal siphoning and/or an internal circulating device (pumping ring) inside the seal.
Used with clean, non-polymerizing, pure products that have a vapor pressure higher than the buffer system pressure.
Provides redundancy in the event of a seal failure.
Leakage of higher vapor pressure liquids into the buffer system will flash in the seal reservoir and the vapor can escape into the collection system.
Near zero process emissions.
Cooling system is typically built into the reservoir.
Buffer liquid must be compatible with the process liquid.
Best piping practices must be followed to avoid vapor entrapment and stalled flow in the tubing.
Pros:
No process fluid contamination
Near-zero process emissions
Integral cooling system
Cons:
Mechanical Seal Support System Manufacturer from Pune
In this plan external reservoir provides buffer fluid for the outer seal of an un-pressurized dual seal arrangement (Arrangement 2). During operation an internal pumping ring provides circulation. The reservoir is connected to a vapour recovery system and is maintained at a pressure less than the pressure in the seal chamber. It is normally used for the applications where process fluid leakage to atmosphere must be minimised and contained. Plan 52 works best with clean, non-polymerising pure products that have vapour pressure more than the buffer system pressure. Leakage of higher vapour pressure process liquid into buffer system will flash in the seal pot and escape into the vent system.
API Plan 52
API Plan 52
Non pressurized buffer fluid circulation in outboard seal of a dual seal configuration through a seal system.
Neither process contamination occure Nor direct process leakage to atmosphere if used Plan 52 seal support system
In Piping Plan 52 there is an external reservoir providing buffer liquid for the outer seal of an Arrangement 2 seal. The buffer liquid shall be maintained at a pressure less than seal chamber pressure and less than 0.28 MPa (2.8 bar) (40 psi).
Buffer liquid is circulated to and from the reservoir by means of an internal circulating device. To maximize buffer liquid circulation, the piping losses should be minimized through the proper selection of pipe size, elimination of fittings, use of large radius bends, and reduction in the length of piping runs.
Piping Plan 52 works best with clean, nonpolymerizing, pure products that have a vapor pressure higher than the buffer system pressure. Leakage of higher vapor pressure process liquids into the buffer system will flash in the seal reservoir and the vapor can escape to the collection system.
API Plans
API Plans
API Plans
The API Seal Plans elaborated in this section are as defined by API 682 3rd edition / API 610 10th edition. These are standardized flushing piping arrangements that are widely used in the industry. Customer specific variants of these plans are possible.
API plan 01 Description
Inner circulation of liquid between the sealing chamber and the pump line through the connection port.
Appointment
Dissipation of heat
API plan 02 Description
It’s realized in anechoic sealing chambers without wash liquid circulation.
Appointment
Dissipation of heat
API plan 11 Description
The wash-out of sealing is passing from the output pipe to the the sealing chamber through the diaphragm
Appointment
Dissipation of heat, decreasing of evaporation
API plan 12 Description
In API plan 12 the circulation of the product is realizing between the pump line and the sealing chamber through the coarse-mesh filter.
Appointment
Dissipation of heat, decreasing of evaporation
API plan 13 Description
The wash-out is passing from the outlet pipe to the sealing chamber through the diaphragm
Appointment
Heat dissipation, recirculation
API plan 14 Description
The wash-out of seal – from the outlet pipe to the sealing chamber trough the diaphragm and the wash-out – from the sealing chamber to the inlet pipe through the diaphragm.
Appointment
Heat dissipation, recirculation
API plan 21 Description
The wash-out of seal is passing from the outlet pipe to the sealing chamber through the diaphragm and heat exchanger
Appointment
Cooling
Applying
Pumping of the products with a high temperature
API plan 22 Description
The wash-out of the seal is passing from the outlet pipe to the sealing chamber through the heat exchanger and coarse-mesh filter
Appointment
Cooling
Applying
Pumping of products under the high temperature
API plan 23 Description
Forced wash-out through the heat-exchanger
Appointment
Highly-efficient cooldown
Applying
Pumping of the products with a high temperature, charging pumps
API plan 31 Description
The wash-out of the seal is passing from the outlet pipe to the sealing chamber through the cyclone separator
Appointment
Heat dissipation, solids removal
Applying
Pumping of the contaminated product
API plan 32 Description
The wash-out is passing from the outside source by clean liquid
Appointment
Heat dissipation, solids removal
Applying
Technological processes with contaminated product, pumping of paper pulp
API plan 41 Description
The wash-out of the seal is passing from the outlet pipe to the sealing chamber through the cyclone separator and the heat exchanger
Apointment
Cooldown and solids removal
Applying
Pumping of the products with a high temperature, containing solid particles
API plan 51 Description
In API plan 51 the supply of barrier cooling fluid to the seal is realizing from outward without forced circulation
Appointment
Double protective mechanical seal
Applying
Liquids with a high pressure of saturated vapors
API plan 52 Description
Circulation of buffer liquid under the atmospheric pressure through the tank
Appointment
Double protective mechanical seal
Applying
Liquids with a high pressure of saturated vapors
API plan 53A Description
Circulation of barrier fluid under over-pressure through the tank
Appointment
Protection from the intrusion of pumping product to the environment
Applying
Dangerous liquids under the low pressure
API plan 53B Description
The circulation of barrier fluid under increased pressure from membrane accumulator through the tank.
Appointment
Protection from the intrusion of pumping product to the environment
Applying
Dangerous liquids under the high pressure
API plan 53C Description
Circulation of barrier fluid under increased pressure from membrane accumulator through the tank
Appointment
Protection from the intrusion of pumping product to the environment
Applying
Dangerous liquids, the system of dynamic pressure control
API plan 54 Description
Circulation of barrier fluid under the increased pressure with a use of charging system
Appointment
Protection from the intrusion of pumping product to the environment
Applying
Dangerous liquids
API plan 61 Description
In API plan 61 all the liquid supply ducts inside of the seal are blanked off for the following use with API 62 and API 63 valves
Appointment
The admonishment of solid’s subsidence
Applying
Pumping of the hot corbohydrates, alkalis
API plan 62 Description
External refrigeration from the side of medium
Appointment
The admonishment of solid’s subsidence
Applying
Pumping of the hot carbohydrates, alkalis
API plan 65 Description
API plan 65 allows to estimate the leak rate through the seal. in case of damage of friction couple the external boundling tank is fitted with upper level indicator that will react immediately when the level of liquid inside the tank increases.
Applying
For cases when pumping product can be condensed from the medium side
API plan 71 Description
In API plan 71 all the liquid supply ducts in seal are blanked off for the following use with barrier gas
Applying
For the following usage of plans API 72, API 75 and API 76
API plan 72 Description
The supply system of buffer gas under the atmospheric pressure
Appointment
Double protective mechanical seal
Applying
Pumping of carbohydrated systems, usually applied together with Plan 75 schematic or Plan 76 76
API plan 74 Description
The supply system of buffer gas under the atmospheric pressure
Appointment
Protection from the intrusion of pumping product into the environment
Applying
Dangerous liquids
API plan 75 Description
Blowdown of the liquid into the collector and gas disposal system
Appointment
Picking-up of leakages
Applying
Condensate leakage
API plan 76 Descriptiom
Discharge into the gas disposal system
Appointment
Picking-up of leakages
Applying
Leakage of non-condensing gases
The supply system of buffer gas under the atmospheric pressure
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