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.