Zygos Maritime Services is exclusively representing Boeaman Technology Service in Greece. Boeaman is specialized on the maintenance of FIVA/ELFI/ELVA multiway valves and HPS Pumps of Electronically controlled Engines.

Zygos Maritime Services has managed to establish, the first test bench in Greece, able to calibrate all kinds of FIVA/ELFI/ELVA.

Our test bench is able to handle a big amount of FIVA/ELFI/ELVA Valves in only a few hours if same is requested by customers.

Repairs and/or routine maintenance include following scope of works for each of the components:

FIVA/ELFI/ELVA:

• Cleaning & Inspection of valve housing and main spool
• Separate testing of control/pilot valve and repair kit using original spare parts for FIVA.
• Calibration of feedback sensor.
• Calibration of mechanical center of the spool.
• Function Test at 250 bars: exhaust valve open/close, fuel injector open/close, leakages check
• Final work Report

HPS PUMPS

• Simulate engine running condition via control proportional valve during pump testing
• Carry out pump testing up to 750L/mins.capacity
• Calibrate inductive sensor and safety check
• Final Work Report – Graphic Display
• Applicable for pumps made by Bosch/Rexroth, Dynex and Parker

Following options are provided to the client:

• OH at workshop
• On exchange basis supply
• Straight purchasing of complete parts (FIVA/ELFI/ELVA and HPS Pumps)
• OH onboard for FIVA/ELFI/ELVA

A big stock of spare parts (OH Kits, Proportional Valves, complete FIVA/ELFI/ELVA, complete HPS Pumps) is available in stock to assist on urgent cases and on exchange-basis option.

Our Service Engineers at Greece, Singapore & Shanghai may proceed with maintenance works onboard as per following scope of work:

• Alpha Lubrication System check/OH
• FO Booster Units OH
• Exhaust Valve Actuators OH
• Accumulators OH and Nitrogen Refilling
• FIVA/ELFI/ELVA OH
• Tacho Encoder Check/OH
• Pneumatic System OH
• ECS Inspection