HVAC, Refrigeration and Purification


AG is a leading player in the air drying industry, with particular focus on shipping and offshore.

Dehumidification is important for the protection of hygroscopic cargo, such as newsprint.

Diagrammatic operation of the dehumidifier.

Dehumidification is important for the prevention of corrosion to shipboard machinery and equipment.

AG-SR dehumidifiers provide efficient tank drying for chemical tankers, thus reducing time in port for clients such as Odfjell ASA and Jo Tankers, among other ship owners.


Diamond Princess. Grenco marine supplies water chiller units and USPH approved provision refrigerating plants for cruise vessels.

Complete refrigeration systems for the fishing industry, including CO2 refrigeration systems.

Carmel Ecofresh. Revolutionary design for cargo refrigeration without the use of grating floors.

Grenco refrigeration machinery room in world's largest trawler.

Markets include R.S.W. plants, cold water production plants, slurry ice and freezing plants for trawlers and factory ships.


PBUCH is a leading supplier of tailor made refrigeration and air-conditioning systems for marine and navy applications, as well as pressure tanks for fluids and solids.

The company offers new installations as well as repairs, modernisation of existing installations and refrigerant replacement services.

The company's innovations include marine air conditioners, water resistors, pressure vessels for crude oil, stainless steel pressure vessels, decompression chambers and refrigeration equipment.

The company values flexibility in the design and manufacturing stages of production, to ensure that all products meet customer specifications.


Inconel®, Incoloy®, Monel®, stainless and Duplex 2205 metal alloys are available in scheduled pipe, fittings and flange sizes from 0.5in to 12in.

We stock Prime-Air hydraulic, steam, water, electric or air-driven blowers and exhausters ranging from 1,500ft³/min to 10,500ft³/min in capacity.

Our compressed air dryers prevent moisture contamination by suppressing the pressure dew point.

Our expansion joints can be used in off-shore installations, and military, ship renovation and waste heat recovery boilers, dampers and exhaust systems.

Our shims can be used for many marine applications, including in turbines, motors, pumps and gearboxes.


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