The post Guidi Srl presents two new unbreakable valves appeared first on Yachting News.
]]>Guidi Srl is the Italian leader specialized in the production of bronze, brass, chrome-plated, nickel-plated and aluminium nautical accessories. Founded in 1986 by Bruno Guidi, it manufactures non-stick valves, seacocks, thru-hulls, water strainers and fittings.
At the Mets Trade 2019, the company presented two world premieres: two innovative valves which are distinguished by remarkable seafaring quality and excellent characteristics of encrustation- and corrosion- resistance.
The new valves – a non-stick flanged and a full bore ball one – are in bronze and are specially designed to be used in the cooling systems of yacht engines.
Non-stick valve of the Alex series, flanged
Size: DN80, Art :2275
Same technical features as the 2260 threaded series
This new valve features a body and cover made of CC491K bronze as well as a neoprene membrane to protect the mechanism.
Even the metal shutter is protected by a neoprene membrane to make this non-stick valve of the Alex series longer-lasting. The valve is suitable and highly recommended for use in marine environments
Full bore ball valve
Size: from 1/4” to 2”
This full bore ball valve by Guidi features a body and a body end made of CC499K bronze as well as a ball in PPS, a semi-crystalline thermoplastic with excellent mechanical and chemical resistance properties that are retained at high temperatures. This valve, currently under production, is subject to a special surface treatment of the ball, to improve its encrustation-resistant properties.
The lever of this new product is in 304 stainless steel and the valve is equipped with an anti-blowout stem. The latter guarantees excellent encrustation- and corrosion-resistant results, as showed by the laboratory tests conducted at the DITEN of the Univeristy of Genoa. The product, in fact, proved to be extremely reliable in marine environments, also thanks to the functionality of the valve which allows the closure, opening and reduction of the flow.
The growth of Guidi
During the first ten months of 2019, Guidi has recorded 10% growth in turnover compared to the.same period of last year, with a balanced division between the Italian and foreign markets: particularly positive signals come from France, Spain, Poland, Middle and Far East.
In this respect, 
we had the opportunity to interview Alessandro Guidi, Design Manager of the Italian company, who told us about the products and one of the future plans of the brand.
“The Guidi 2400 valve is the first valve we entirely made in home. It features a body in CC499K bronze which can be used for drinking water. The main feature of the product is the material of the ball, a PPS base, a plastic material specially used to undergo alteration of the saline water. “
The manager also told us about the second valve presented at the METS: ” The Guidi 2275 valve, in the DN80 size, has the same features as the 2260 but with a flanged body. We started from this size following a request from one of our customers, and from here we will get to the DN65 size. Then, we will certainly move on to DN50 and DN40, for which we will use the same mechanisms of the Alex valve and therefore just create the body. Moreover, a larger valve is in the pipeline but we are still studying the type. “
Guidi Srl
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]]>The post Tuna drifting: chumming by hand, or not? appeared first on Yachting News.
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We’ve already seen in other articles how essential chumming is in intercepting tuna fish. When made with continuity throughout the fishing trip, this operation indeed attracts fish which ends up coming to the area where, at different depths, our lures ( generally ranging from three to five) are positioned.
As all tuna fish anglers know, fish can get under the boat in the very first minutes, maybe attracted by the engine noise. But there are also days when the boat’s crew has to spend the whole day – even 8-9 hours – with the greatest dedication to chumming before a blessed strike arrives (and it is not certain that it really arrives).
Even if this is part of the tuna angler’s life, it is not hard to understand how stressful it is to spend hours and hours with a pair of scissors in one hand, cutting sardines and throwing chunks in the water.
The smell of sardine is not great and, once both hands and clothes have got impregnated with this ” aroma”, it is certainly not easy to take it away. We all know that, after spending a whole session preparing chum and cutting sardines, the smell of this fish can remain on our hands for many hours, of not for days, after our fishing excursion and, unfortunately for us, only a very small number of detergents are really efficient against this scent. Fortunately, however, even in this case, technology can give us a hand.
Some valuable allies for chum makers
In order to avoid this problem or in order to prevent every single step of chumming from being performed by hand only by the crew members, we can rely on some valuable allies, that is some machines that are specially designed to carry out the important task of chumming in tuna drifting (and not only): the sardine dispenser and the sardine grimmer, both equipped with interior timers to set the operational speed.
The sardine dispenser
This machine throws whole or chunk sardines, previously put into the bowl the machine is equipped with, in the water.
Even if some evaluations can be made only on the sport, depending on the stream you meet, it is generally advisable to put in the chum dispenser sardine chunks of different sizes. For example, you can put some whole sardines (preferably with no head), others cut in half and others cut in three.
Why? Because chunks of different size (and therefore of different shape and weight) behave in a different way according to the stream, going down at different speed and producing a wide and highly attractive wake of chum. In addition to an excellent olfactory capacity, this wake has also a highly visual appeal, where waters are clear enough to guarantee it.
The sardine grinder
The sardine grinder, instead, is different from the above-mentioned machine; indeed, thanks to a special interior contraption, it grinds sardines in very small chunks, producing a wake of chum which tends to stay on the surface. This machine is therefore really useful when fishing in low sea bottoms: the Northern Adriatic, for example, where tuna fish can be caught on bottoms ranging from 20 and 35 meters. Quite different are fishing conditions in other areas of the Mediterranean: in the Central Tyrrhenian Sea, for example, tuna fish can generally be caught at 70-140 meters, while in other areas of southern Italy tuna can be found even at deeper depths. Red tuna can be found at medium depths in many areas of Spain, Portugal, North Africa as well as the Atlantic Ocean.
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