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- Description
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- Vessels
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- Did you know
- Maintenance Schedule
- Engineering Knowledge
Description
Norway-based supplier of submerged and deepwell pumping solutions for segregated cargo handling.
Engineering Knowledge
General engineering guidance only — it may contain errors. Always follow the equipment's own documentation and the judgement of a qualified engineer.
Cargo pump cofferdam cannot be purged (no air, inert gas, or liquid exits check pipe)
Check for insufficient purging medium supply by inspecting valves, hose connections, and the purging medium relief valve (which should open at approximately 3 bar). Also, check the exhaust trap and deck piping for blockages and clear them if possible.
Cargo pump cofferdam is blocked
Disconnect the check pipe from the pump unit (lower seal house), being cautious of possible pressurized liquid. Carefully purge to determine if the blockage is in the check pipe or the pump/pipe stack cofferdam. Use steam or solvent to dissolve the blockage, depending on the medium. Dismantling of the pump may be necessary. Perform a leak test after assembly.
Cargo leakage into pump cofferdam
Perform a leak test on the pump cofferdam system at approximately 3 bar. Check for leakage, using soapy water if needed to locate the source. If no leakage is detected during the test, the cargo leakage is likely due to a worn cargo seal, which seals when the cofferdam is pressurized. Replace the cargo seal set and inspect the ceramic sleeve for damage or wear.
Cargo leakage due to leaking seal element in flange connection
Check for loose bolts and pitting corrosion in the seal faces. Repair corrosion if present. When assembling, replace any damaged seal elements.
Cargo leakage due to crack or pinhole in piping
Contact a Framo Service Station for assistance.
Hydraulic oil leakage into pump cofferdam
Drain the pump return side before dismantling. Disconnect the pump head/unit from the pipe stack/casing. Pressurize the pump unit return side at approximately 4 bar and check for leakage to the cofferdam side. Leak test the pump pipe stack/casing at a maximum of 7 bar on the cofferdam side and check for leakage to the return side.
Hydraulic oil leakage due to leaking shaft seal
Replace the shaft seal. The replaced seal should be reconditioned if feasible.
Hydraulic oil leakage due to leaking seal element in flange connection
Check the sealing surface for possible damage and repair if necessary. When assembling, renew any damaged seal elements.
Hydraulic oil leakage due to crack or pinhole in piping
Contact a Framo Service Station for assistance.
Competitive Models
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Send enquiry
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Code map
^K A A P │ │ │ └── Model: PG Flow Solutions │ │ └───── Make: Cargo Pump │ └──────── Equipment: Tankers (Oil & Gas) └─────────── System: Cargo