Rotating Equipment Specialists
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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). [API 682; G.17]. This plan is typically used in services where process leakage to atmosphere needs to be minimized and contained.
In Piping Plan 53A there is a pressurized external barrier fluid reservoir supplying clean fluid to the barrier fluid seal chamber. The barrier liquid is maintained at a pressure greater than seal chamber pressure. [API 682; G.18].
Plan 52/Plan 53A
•CS vessel material with 316SS internal cooling coil
•Weld pad level gauge
•4.5" (114mm) diameter pressure gauge
•Pressure switch with instrument valve
•Certified welding per ASME IX
•316 SS vessel rated: 1044 PSI (72 Bar) @2500 F (1210 C)
•CS vessel rated: 942 PSI (65 Bar) @2500 F (1210 C)
•3 US gallons (11.3 liters) vessel volume •Inspection, testing and documentation of equipment
•API 682 compliant
•ASME U or UM stamp, ASME VIII, Div. 1 2015 •316 SS Vessel material •Special or extensive NDE types and reports (MTR's, PMI, calibration certificatesm etc.
•SS valves and vessel
•All instrument types, ranges, and certifications •Special barrier fluid compatibility
•5 US gallons (18.9 liters) or other vessel volumes
•Other pressure & temperature ratings available •Support stand