• Apr , 26 2020

Boating Advice: Seacocks lead to sinkers The Surveyor offers expert advice about seacock maintenance, avoiding sunken boats and insurance cover The humble seacock, stop cock, gate valve or ball valve is one of the most important items on the vessel and it is the last line of defence for keeping large amounts of sea water from flooding your vessel. So why is it the lowest on many boat owner’s maint...

• May , 28 2020

According to the Milan Financial News of Italy, Perini Navi (Perini Navi), a well-known Italian superyacht manufacturer, is in financial trouble, and the board of directors has requested the initiation of bankruptcy and reorganization procedures. It is reported that the Italian custom luxury yacht manufacturer Sanlorenzo (San Lorenzo), which has been successfully listed last year, may be able to s...

• Jun , 23 2020

【Technical Blog】Process flow of marine propeller A perfect marine propeller will be finished as the following steps: ① Molding ② Casting metal ③ Blank processing ④ Finished product inspection ⑤ Installation and use Molding The pitch plate is used to scrape the spiral surface when making the lower sand mold, and its accuracy directly affects the manufacturing quality of the...

• Aug , 25 2020

Seacocks are present to shut off the flow of water from or to items of plumbing aboard the vessel. There are three types of marine bronze seacocks: ① the gate valve type, which is like the domestic plumbing type with a red wheel, which is turned clockwise to close; ② the ball valve type, which is preferred by many and has a lever to operate a chrome-plated bronze ball; ③ and th...

• Dec , 14 2020

Why the stainless steel ball of the seacock corroded again and again? Have you ever feel helpless when some of the boat parts corroded faster than ever before ? Even you could not figure out what is exactly happened to your loved boat at last, the stainless steel parts, ball valves and the other parts which can be saw or not are corroded and replaced from time to time, but there is none of the sol...

• Jul , 29 2021

The main materials for marine propellers and the differences Article By Robin Zhang The propeller is used as a powerful force-receiving component for propulsion. The internal strength requirements are also high, and there should be no tracheotomy or air bubbles. Therefore, the blades of large propellers cannot generally be formed by forging. At present, high precision casting is the main meth...