AS Plan 53
Astra Seals AS Plan 53 Seal Support System. Pressurized barrier fluid system for dual mechanical seals. Includes pressure vessel, pressure gauges, safety valve, fill/drain valves, and cooling coil. Maintains barrier fluid pressure above process pressure to prevent product leakage. Compliant with API 682 Plan 53A/53B/53C configurations.
Construction Materials
SS316L vessel / SS316 piping / Pressure gauges / Safety valves
1 Variant
| Model | Materials | GA |
|---|---|---|
| AS Plan 53 | SS316L vessel / SS316 piping / Pressure gauges / Safety valves | — |
Operating Conditions & Materials
Pressure
0 ~ 2.0 MPa
Temperature
-20 ~ 150 ºC
Mediums
Barrier fluid supply system for double mechanical seals. Maintains seal chamber pressure with clean barrier fluid.
Customization Available
Available in various reservoir sizes and pressure ratings. Contact us with your requirements.
System Specifications
Vessel Capacity
3 ~ 20 L (standard sizes)
Connection Size
1/2" NPT / 3/4" NPT
Design Pressure
0 ~ 2.0 MPa
Nitrogen Charging
Bladder or piston type accumulator
Cooling
Internal cooling coil (water-cooled)
Instrumentation
Pressure gauge, level indicator, safety valve
Applicable Standards
API 682 Plan 53A / 53B / 53C
Notes
Vessel size selection depends on seal size, shaft speed, and required barrier fluid circulation rate. Contact us for sizing assistance.
Related Products
AS Plan 53B
Astra Seals AS Plan 53B Seal Support System. Pressurized barrier fluid system with integrated finned tube heat exchanger for aircooled applications. Includes pressure vessel, pressure gauges, safety valve, fill/drain valves, and finned cooling tubes. Designed for installations where cooling water is unavailable. Compliant with API 682 Plan 53B configuration.
AS Cyclone Separator
Astra Seals AS Cyclone Separator for mechanical seal support. Removes solid particles from seal flush fluid using centrifugal separation. Protects seal faces from abrasive damage in slurry pump applications. No moving parts for maintenancefree operation.
AS FlowUnit
Astra Seals AS FlowUnit for mechanical seal support. Compact flow monitoring unit for seal flush and cooling systems. Integrates flow indicator, pressure gauge, and throttle valve in a single unit. Enables quick visual verification of seal support system operation.
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