Products
Halyard Exhaust Systems

Water-Cooled & Dry Exhaust Systems & Components
Halyard specialise in water-cooled and dry exhaust systems and as the distributor for Xeamos aftertreatment solutions can provide DPF and SCR packages. We offer a wide range of standard and bespoke components, designed and manufactured in-house, with our scope of supply covering individual components to complete exhaust systems.
Whether the requirement is a sophisticated bespoke water-cooled or dry full exhaust system with aftertreatment or a replacement component Halyard have the solution.
Halyard GRP Silencers, Separators & Connectors

GRP and moulded silencers, separators and connectors for marine exhaust systems.
Halyard provide a standard range of lift silencers and separators in different geometries to suit customer installation requirements. For more complex installations we provide bespoke dual chamber silencers for improved noise attenuation, or combined silencer separators. Manufactured to Lloyds Type Approval for use in marine exhaust system applications.
Halyard hose, bellows & connectors

Rubber, silicone or Nomex hoses, bellows and connectors to suit customer requirements from our standard range or bespoke to suit the installation.
Halyard manufacture a range of rubber, silicone or Nomex hoses, bellows and connectors for use in marine diesel exhaust systems, and other engine room and vessel applications.
Manufactured to Lloyds Type Approval for use in marine exhaust system applications.
Industrial Marine Silencers (IMS)

Dry Silencers
UK based IMS are global leaders in noise reduction and particulate filtering, manufacturing absorptive and reactive exhaust gas silencers, SCR & DPF emission control technology, acoustic enclosures, air inlet & extract attenuators, and acoustic doors.
Xeamos - Clean Air Engineering

SCR & DPF solutions
Established 25 years ago, Xeamos has become an industry leader in the highly specialised field of emission-reducing solutions that directly or indirectly contribute to a better environment. Clean air is the source of life for people and planet, and Xeamos innovation helps create a healthier world. Xeamos is a leading specialist in emission reduction using SCR and DPF exhaust aftertreatment technology.
Exhaust Alert

Water-cooled exhaust overheat alarm system
Halyard’s Exhaust Alert provides a class leading exhaust overheat alert system housed in a stylish standard 52mm diameter, IP67 waterproof gauge.
The system incorporates self-test functionality with touch screen control and is supplied as a 12/24 dual voltage unit. Available with a choice of chrome or black bezel and black or white gauge faces to
compliment your existing gauges. The system comes complete with the temperature sensor, wiring and connection block.
Rubber Design

Antivibration Mounts, Flanged Bellows, Bulkhead Penetrations.
Rubber Design are global leaders in noise, vibration and shock control solutions for the worldwide marine market. Halyard is an authorised reseller of Rubber Design antivibration exhaust equipment. Halyard have a long-standing partnership with Rubber Design utilizing their products in Halyard exhaust systems and other applications. We can also offer these as standalone products to meet customer requirements.
Aquadrive Antivibration Systems

Aquadrive
The Aquadrive® system isolates the engine from the boat so noise and vibration are greatly reduced. Most installations result in a 50% or more reduction. Aquadrive will also minimise wear on the transmission and cutlass bearings. The propeller shaft is aligned to the Aquadrive thrust bearing, which absorbs the propeller thrust. A Constant Velocity (CV) shaft transmits engine power to the thrust bearing and propeller shaft.
Seatorque Shaft Systems

Propeller shaft systems
Developed over twenty-five years and fitted as standard equipment to a growing number of globally recognised boat manufacturers, Seatorque Shaft Systems offer a multitude of noise and vibration, fuel consumption and delivered power benefits.
Steelhead Marine

Cranes & Davits
Steelhead Marine’s elegantly designed, high-tech cranes are renowned across the marine industry as the leader in advancing hydraulic solutions for the yachting world.
Benefits of Steelhead Marine:
• Engineered for Performance
• Greater lift capacity with reduced crane weight
• Superior engineering and advanced materials
• Durability, strength and reliability
• Compact and attractive design that puts less
space and weight demands on your yacht
• Easy to use
Freeman Marine

Watertight Hatches & Doors
Freeman Hatches have more quick-acting flush hatch experience, models and features than any manufacturer.
AdvanTec Marine’s Freeman hatches are used on a wide variety of fishing boats, tugs, barges, research vessels, offshore tenders, rescue craft and other workboats.
The Freeman hatch is designed for new boats, or replacing other hatches in standard openings, or for improving existing craft.
Ucalsa - Custom Metal Solutions

Watertight & Fire Rated Doors & Hatches
Ucalsa is a major manufacturer of weathertight, watertight, and fire rated doors and hatches supplying its products across Europe and further afield. With a modern factory spanning more than 10,000 square metres equipped with the latest equipment and with in-house design, Ucalsa specialise in bespoke solutions optimised to suit the customers specification.
Wave International filtration systems

Filters
A range of vessel filtration systems including:
• Wavestream bilge filter systems
• Wavebrite waste water filter system
• Flostream drinking water filter system
• Prostream watermaker filter protection system
• Waveair holding tank vent filter system
• Waveshine wash & rinse system
Halyard Noise Insulation Materials

Halyard noise insulation uses high performance barrier materials to achieve excellent acoustic results.
A range of technically advanced noise insulation materials:
• Compliant with the European
Recreational Craft Directive
• Available in standard thicknesses of
12, 25, 32, and 45mm
• Three tough fuel and oil resistant
facings: Maritex, Sealglass and
Reinforced Foil
• Range of tapes & accessories
Halyard Service Support

Health Checks, maintenance, repair, overhaul, equipment replacement, and sea trial services for Halyard supplied products and other onboard equipment.
To ensure reliable operation and long service life of onboard equipment, it is critical that regular inspection and maintenance is carried out. To support this Halyard is able to provide customers with the high level of support required with our service operation providing both field based and workshop support. This service is available both in the UK and overseas from our own support engineers and also through our network of distributors and dealers.