The Shakewell valve, to say Shakewell seacock, is a thru-hull valve. Seacocks are the most critical components in a boat.
Their reliability can mean the difference between life and death.
When the 81’ MARTELA lost her keel and capsized off Punta del Este, she remained afloat for 5 weeks thanks to the air entrapment maintained by Shakewell Seacocks.
The importance of seacocks is not diminished by less dramatic circumstances: engines, toilets and cockpit drains can all be rendered useless by malfunctioning valves. The weekend sailor is as dependant upon them as the round-the-world racing skipper.
Shakewell is one of the first marine grade composite thru-hull flush fittings. These modern marine non metallic valves has superceded old heavy bronze fittings.
Shakewell performance marine thru-hull valves are the racer´s choice as well as blue water cruisers best choice.
Advantages
To be easily, rapidly, and safely cleared afloat if blocked or jammed.
To be capable of being serviced afloat by taking all the moving parts into the boat without tools while still retaining usable water flow through the valve.
To tolerate marine growth, shellfish, and sand while remaining airtight, even if the mechanism and valve canal become scratched by such particles.
To shut flush with the hull to minimize turbulence and hinder marine growth and mud entering and accumulating in the valve canal.
To be non-metallic in order to eliminate all problems associated with corrosion and to allow fitting to steel and aluminum without the risk of galvanic degradation.
The Shakewell thru-hull seacock valve is robust product of MRGF MARTWELL Ltd. MADE UNDER ISO-Standard 9093-2
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WE SPEAK / HABLAMOS: 
MARTELA (81feet) remained afloat for 5 weeks during the Whitbread Round the World Race, thanks to the airtightness of Shakewell Seacocks