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  • Boating Advice: Seacocks lead to sinkers
    • Apr , 26 2020
    Boating Advice: Seacocks lead to sinkers

    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...

  • Know how: Thru-hulls and Seacocks
    • Apr , 29 2020
    Know how: Thru-hulls and Seacocks

    Never forget: the lowly seacock is all that stands between the sea and your boat Clearly, with any device that penetrates the hull of a yacht, the choice of materials, design and method of installation is paramount to the safety and integrity of the vessel. Plenty of boats have been lost due to corroded through-hulls and seacocks, either through electrolytic breakdown of the material itself or by ...

  • Copper JIS Specifications
    • May , 05 2020
    Copper JIS Specifications

    Specification of Brass Symbol Working temp Chemical composition (%) Tensile strength(kg/mm2) Elongati rate(%) Hardnes (Brinell) Cu Zn Pb Sn Al Fe YBsC1 1120 83.0~88.0 11.0~17.0 0.5~ Sn + Al + Fe 1.0 15~ 25~ 45~55 YBsC2 1000 65.0~70.0 24.0~34.0 0.5~3.0 ~1.0 ~0.5 ~0.8 20~ 20~ 44~60 YBsC3 1000 58.0~64.0 30.0~41.0 0.5~3.0 ~1.0 ~0.5 ~0.8 55~ 15~ 120~ Specification of High Tensile Strength Brass Symbol ...

  • Perini Navi Facing to the difficult time, San Lorenzo is making decision on takeover the business
    • May , 28 2020
    Perini Navi Facing to the difficult time, San Lorenzo is making decision on takeover the business

    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...

  • Is the China-US trade war a challenge or an opportunity for China's yacht manufacturing industry?
    • Jun , 02 2020
    Is the China-US trade war a challenge or an opportunity for China's yacht manufacturing industry?

    Is the China-US trade war a challenge or an opportunity for China's yacht manufacturing industry? During the Sino-U.S. Trade war, after the United States added a tariff of US $ 200 billion in goods, China added an additional US $ 60 billion in tariffs on goods. As you come and go, the tax-increased products include many yacht-related products, including whole ships and machinery. , Spare parts, et...

  • 【Technical Blog】Process flow of marine propeller
    • Jun , 23 2020
    【Technical Blog】Process flow of marine propeller

    【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...

  • Advice – seacocks and skin fittings
    • 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...

  • Preparing boat for spring
    • Sep , 09 2020
    Preparing boat for spring

    Thru-hulls: Preparing Your Boat For Spring Do a quick internet search and you’ll find endless spring boat preparation checklists. Responsible boaters realize how important it is to ensure their boat is safe and ready to use for the season. Why then did Boat U.S. find that 34% of boat sinkings are caused by wear, tear or corrosion of a part below the waterline? What are boaters overlooking or skipp...

  • The difference between NPT, BSPP and BSPT Thread
    • Oct , 28 2020
    The difference between NPT, BSPP and BSPT Thread

    What is the difference between NPT, BSPP and BSPT Thread? What is the difference between BSPP, BSPT and NPT? Have you eve confused on these questions? Searching all these information from internet? As i am engaged in the marine hardware, there will always some questions from my clients: what is the difference between BSPP,BSPT? There are some easy definition on them. Pressure systems in the proces...

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