Taiko MSD-10H Three Screw Pump with Foundation

Taiko Kikai MSD-10H Three-Screw Pump Unit with Baseplate / Foundation (NEW)

The Taiko Kikai MSD-10H is a positive displacement three-screw pump engineered specifically for severe-duty marine and industrial oil-handling environments. Supplied in 100% Factory-New condition mounted directly to a heavy-gauge structural steel marine skid/foundation, this assembly delivers pulsation-free, low-shear volumetric displacement of lubricating oils, hydraulic media, and heavy distillate/residual fuels.

The pump leverages an intermeshing three-rotor architecture: a central power screw driving two symmetrically opposed, balanced idler screws inside a precision-machined casing insert. Axial thrust is hydraulically counterbalanced, eliminating the requirement for complex external thrust bearing arrangements and minimizing mechanical friction loss during high-pressure discharge. Designed for harsh engine room machinery spaces, the MSD-10H features tight radial tolerances that maintain high volumetric efficiency across a broad operating viscosity spectrum—from ultra-low-viscosity Marine Gas Oil (MGO) to heated, high-viscosity Heavy Fuel Oil (HFO / RMG 380–700).

Model Details

• Manufacturer: Taiko Kikai Industries Co., Ltd. (Japan)
• Series: MSD Series (Horizontal Three-Rotor Screw Pump)
• Model Configuration: MSD-10H (High-pressure hydraulic profile with integral safety valve)
• Mounting Configuration: Baseplate / Foundation mounted (Horizontal IEC/JIS flanged drive skid)
• Drive Arrangement: Flexible-element pin/bush coupling with OSHA-compliant non-sparking safety guard to standard TEFC/marine marine motor frame

OEM Cross-References / Internal Identifiers:

• Taiko MSD-10H (Bare Shaft & Unitized Skid)
• Taiko MSDK-10 / MSD-10 / MSDK-10H
• Interchangeable/Functional equivalents in standardized engine-room booster/circulation skids:
  • Allweiler SPF 10 / SPF 20 series
  • IMO Pump ACE 038 / ACG 045 series
  • Leistritz L3MF / L3NF 45-60 series

Key Features

1. Hydrodynamically Balanced Triple-Screw Geometry: Eliminates metal-to-metal flank contact via continuous hydrodynamic fluid-film lubrication, delivering nearly zero vibration, quiet operation (<72 dBA), and extended service life.
2. Low-NPSHr Anti-Cavitation Profiles: Precision root profiles engineered on the power rotor maintain laminar liquid entry, dramatically reducing cavitation risks during vacuum-suction conditions or cold-oil transfer cycles.
3. Factory Machined Marine Baseplate: Delivered fully integrated with an aligned foundation skid manufactured to accept standard JIS/IEC marine motors, simplifying shipyard or drydock drop-in retrofits.
4. Bi-directional Pressure-Relief Bypass: Features a built-in, adjustable non-chattering safety valve that recirculates internal displacement volume directly to the suction side upon high-pressure line occlusion.
5. Severe-Duty Mechanical Seal Assembly: Fitted with premium Viton elastomers and premium SiC/Graphite faces that resist degradation from low-sulfur aromatic fuels, catalytic fines, and high-temp thermal oils.

Compatible Marine Main & Auxiliary Engines

• MAN B&W: 5S50ME, 6S50ME, 6S60MC, 7S60MC-C, and L28/32, L23/30 auxiliary gen-sets.
• WinGD / Wärtsilä / Sulzer: RTA48, RTA52U, RT-flex50, RT-flex58T-D, and Wärtsilä 20/32 generator sets.
• Mitsubishi Heavy Industries (MHI): UEC33LSII, UEC45LS, UEC50LSII, and UEC52LA series.
• Yanmar & Daihatsu: Yanmar 6N18L, 6EY22LW, 8N21, and Daihatsu 5DK-20, 6DK-28 auxiliary modules.

Applications

• Fuel Oil Feeder & Booster Modules: Constant pressure supply of MDO, MGO, and high-viscosity HFO to engine common-rail systems and mechanical injection pumps.
• Centrifuge / Purifier Feed Supply: Steady, low-shear volumetric delivery to Alfa Laval, Westfalia, or Mitsubishi disc-stack centrifuges.
• Main Engine Bearing & Crosshead Lubrication: Continuous-duty lube oil circulation for slow-speed and medium-speed engine components.
• Marine Boiler Fuel Firing Units: Consistent high-pressure atomization feed to auxiliary boilers and inert gas generators.
• Industrial Hydraulic Power Units (HPU): Bulk oil transfer, turbine governor fluid circulation, and heavy gear-train flushing loops.

Frequently Asked Questions

Can the Taiko MSD-10H pump run dry during priming sequences?

No. As a positive displacement three-screw pump, internal rotor balancing relies strictly on the hydrodynamic film supplied by the pumped liquid. Dry running for even short intervals will result in severe galling between the power rotor (S45C) and the casing bore/idler screws. The pump housing must always be pre-filled with oil prior to initial startup.

How do I adjust the integrated pressure-relief valve on the MSD-10H?

The relief valve is fitted with an adjusting screw beneath a sealed protective cap on the pump casing. Turning the adjusting spindle clockwise compresses the internal spring, increasing the cracking bypass pressure; counter-clockwise decreases it. Standard engineering protocol requires setting the bypass cracking pressure at 10% to 15% above system line operating pressure with the pump operating at full working temperature.

Is the foundation skid suitable for both 50 Hz and 60 Hz marine motor frame sizes?

The heavy-duty structural steel foundation is pre-machined to accommodate standard IEC/JIS footprint dimensions (typically 112M through 132M frames, depending on system pressure and motor power). Because 60 Hz 2-pole/4-pole motor shaft heights match international standards, standard spacer shims allow simple installation of both 50 Hz and 60 Hz drive units.

What are the mechanical seal replacement intervals under normal running hours?

Under continuous engine room operation with clean, properly filtered fuel and lube oil, the balanced mechanical seal has a service life of approximately 16,000 to 20,000 operational hours. Early leakage indicates abrasive particulate contamination, excessive thermal cycling, or operational vacuum exceeding -0.05 MPa.

Can this pump handle low-viscosity Marine Gas Oil (MGO) continuously?

Yes, provided that fuel inlet temperatures do not reduce media viscosity below 1.5 cSt. For continuous MGO service at high ambient engine room temperatures, verify that the fuel cooler maintains fuel viscosity above 2.0 cSt to prevent internal slip and ensure hydrodynamic lubrication of the rotor journals.