Tamrotor Marine Compressor Type E12 Code 04019024

Tamrotor Marine Compressor Type E12 (Code: 04019024) Rotary Screw Air Compressor

The Tamrotor Marine Compressor Type E12 (Part/Code: 04019024) is a heavy-duty, single-stage oil-injected rotary screw compressor unit engineered for continuous-duty shipboard utility and control air duty cycles. Designed to meet the stringent demands of marine engine rooms, this air end/compressor block operates reliably under dynamic sea-going environments, resisting high ambient engine room temperatures (up to 55°C), high humidity, vibration, and vessel incline/heel limits mandated by maritime classification societies.

The E12 platform delivers steady, pulse-free volumetric delivery with minimal mechanical vibration. The unit incorporates integrated galleries for internal lube-oil injection, dynamic shaft lip-sealing with atmospheric tell-tale leakage monitoring, and heavy-duty angular contact bearings rated for continuous maritime operation.

Model Details

• Manufacturer: Tamrotor
• Model Type: E12
• Assembly / Part Code (MPN): 04019024
• Designation: Single-Stage Oil-Injected Rotary Screw Air End / Compressor Unit
• Cooling Media Compatibility: Air-Cooled / Water-Cooled system configurations

Equipment Compatibility

• Compressor Skid Packs: Compatible with TMC (Tamrotor Marine Compressors) compact skids, Gardner Denver packaged units, and Wärtsilä auxiliary compressed air systems (WDAAA cross-packs).
• Control Units: Directly integrates with standard pneumatic unloader valves, electronic intake throttles, and marine electronic controllers (e.g., TMC Master Control, Sigmar, and PLC automation modules).
• Vessel Machinery: Interfaced directly with auxiliary diesel generator start assist systems (where boosted), pneumatic valve automation circuits, exhaust valve actuation, and general deck/workshop service air manifolds.

Part Number Cross-References

• Manufacturer Part Number (MPN): 04019024
• Model Series: E12 / E-12
• OEM Alternate References: TMC E12, GD-04019024, Wärtsilä WDAAA246288 related screw blocks
• Interchangeable Elements: Tamrotor Enduro Series (application-matched air ends)

Applications

• Shipboard Control Air: Regulating pneumatic actuators, exhaust valve spindle drives, and boiler automation systems.
• Deck & Engine Room Service Air: Workshop supply, sea chest blow-down lines, pneumatic tools, and quick-closing valve banks.
• Pneumatic Instrumentation: Stable, pulse-free source air for instrumentation loops, purge systems, and quick-closing remote valves.
• Nitrogen & Oxygen Generator Feed: Primary compressed air feed into maritime nitrogen membrane generation skids.
• Offshore Rig Utility Service: Drill-floor utility air, emergency air receiver charging, and platform service manifolds.

Frequently Asked Questions

What is the primary cause of high discharge temperature in the Tamrotor E12?

High discharge temperature is typically caused by insufficient lubricating oil flow, a stuck or malfunctioning thermostatic mixing valve, a choked oil filter cartridge, or scaling inside the oil cooler heat exchanger. In hot ambient engine rooms, verify that intake ambient air is below 45°C.

How often should the bearings and seals be replaced on the E12 air end?

Under continuous marine duty with OEM synthetic lubrication, bearing service life typically ranges between 16,000 and 24,000 running hours. Overhaul intervals should be scheduled according to periodic vibration analysis readings and oil analysis trends.

Can the Tamrotor E12 run on mineral compressor oil?

While standard mineral oils were historically permitted, high-grade synthetic compressor lubricants (PAO or synthetic ester base, ISO VG 46/68) are strongly recommended. Synthetic oil prevents varnish formation on screw lobes, ensures lower wear across angular contact bearings, and resists oxidation at elevated engine room temperatures.

Is the E12 air end bi-directional?

No. The Tamrotor E12 operates strictly in a clockwise direction when viewed from the drive shaft end. Operating in reverse will destroy the internal profile clearances within seconds.

Can this unit be bolted directly into a TMC marine compressor pack?

Yes. The Tamrotor E12 (Code 04019024) is the standardized core rotating screw air end used across several TMC and Gardner Denver packaged shipboard marine compressors. Verify footprint bolt pattern and shaft diameter against your existing unit prior to installation.