Critical equipment for shipping applications

Kritiekte equipment voor scheeptvaart

Critical equipment for shipping applications

The shipping and marine industry is characterized by specific and high-demanding requirements. A calamity at sea must be prevented at all times which automatically poses specific and harsh demands on equipment used. Whenever spare are to be replaced, these components are to be available at short notice in order to avoid downtime of the vessel and delays in the planning.

Hanwel supplies various components that meet these tough requirements. We make sure that we have the right components on stock at all times to warranty that your ship can resume her journey rapidly.

Expansion joints for vessels and marine applications

Piping systems inside vessels suffer from vibrations more than anywhere. A ship's engines are always flexibly decoupled. Because the consequences of a calamity at sea are above-average, specific requirements are imposed on equipment inside engine rooms. Expansion joints, for example, shall be flame-proof and are to meet the requirements of specific classification societies. Stenflex expansion joints type AS are flameproof and are suitable up to an operational temperature of 130⁰C. Stenflex rubber expansion joints type AS have various type approvals and can be applied in cooling water systems, oil return lines and in ballast water systems.

Hanwel B.V. has a large stock of AS-1 expansion joints in order to supply vessels on short notice. Besides rubber expansion joints, we also supply stainless steel expansion joints for flue gas ducts and for applications inside LNG ships.

Stenflex AS-1
Afsluiters voor scheepvaart

Valves for vessels and marine applications

As with all other components, there are specific requirements for valves within the shipping and offshore industry. All valve components must have a type approval issued by one of the well-known NOBOs such as Bureau Veritas, DNV-GL , Lloyds, ABS, RINA, or Korean Register.

Hanwel B.V. supplies a wide range of valves with the required marine type approvals. Examples include double block and bleed (DBB) valves, fire brake valves (FBV), high-pressure ball valves, valve manifolds, butterfly valves and non-return valves. In addition, we supply cryogenic valves for LNG vessels and LNG bunkering.

Our valves can be fabricated out of carbon steel with a C5(M) marine coating, stainless steel and various high-quality alloys such as Duplex and Monel. We also supply valves made of bronze.

Besides manually operated marine valves which are operated by handlever or gearbox, we also supply fully automated valves. Depending on the exact customer requirements, we can offer fully automated systems which are ATEX and SIL classified. Our offer includes pneumatic-, electric- and hydraulic systems.

Check our valve pages for the possibilities or contact our specialists.

Valves with air sealing systems for marine gas scrubbers

Due to the increasing impact of environmental regulations and treaties such as MARPOL, the demand for dual-fuel engines is rising year after year. A dual-fuel marine engine is capable of switching between a liquid fuel at sea and a gaseous fuel while approaching a certified port. These systems require sealing techniques that ensure a complete, 100% sealing of the system. This can be achieved by using DBB valves as described above, but other solutions are required for larger pipelines.

Hanwel B.V. supplies flue gas dampers which are equipped with air sealing systems specifically developed for the marine industry. The system consists of a flue gas damper, an air sealing system and connecting piping & equipment that is supplied and installed as one complete system. Contact our specialists for the possibilities.

Sperluchtsystemen voor scheepvaart
Fluid ejector scheepvaart

Venturi fluid jets / ejectors

Numerous rotating parts and components ensure that a vessel remains afloat: engines, pumps, cooling systems, fuel systems, etc. Regardless of the extent and quality of maintenance cycles, wear and tear cannot be avoided and parts such as seals and bearings will have to be replaced periodically. One way to avoid necessary replacements is to simply minimize the amount of rotating parts. Applying venturi fluid jets is an example of this. A venturi, or ejector, is a ''pump with no moving parts'' that initiates one fluid or gas by using another fluid or gas as a driving medium. Because an ejector does not use rotating parts, wear and tear on these components is minimal.

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