Technical guides for marine equipment buyers
Eight guides on specifying the equipment before you buy it: chain grades and windlass sizing, fire door ratings, valve selection, compressor sizing, bilge water compliance, class certificates, packing, and stern bearing renewal.
Anchor Chain Grades U2 and U3 and How They Change Your Windlass
Why grade, not just diameter, decides the cable you buy and the machine that lifts it.
Read the guide →A60 A30 B15 and B0 Marine Fire Door Ratings Explained
What each rating actually promises, and why over-specifying every opening costs weight and money.
Read the guide →Choosing Marine Valves by Medium Duty and Space
Gate, globe, ball, butterfly, SDNR, storm and check valves, and where each one belongs.
Read the guide →Sizing a Marine Air Compressor for Starting and Service Air
How receiver volume, charging time and working pressure turn into the compressor you order.
Read the guide →Oil Water Separators and IMO MEPC.107(49)
What the standard requires of bilge water treatment, and how a three stage separator meets it.
Read the guide →Classification Society Certificates for Marine Equipment
ABS, BV, CCS, DNV, GL, LR and RINA, what a product certificate proves and when to ask for one.
Read the guide →Packing and Loading Marine Equipment for Sea and Air Freight
Four packing types, what goes in each, and why the loading matters as much as the box.
Read the guide →Stern Tube Bearing and Rudder Sleeve Renewal in Dock
What to measure, what material to specify, and how to get the part inside the dock window.
Read the guide →Send the vessel data, get a specified quotation
Tell us the vessel, the duty and the classification society. We come back with the specification, the certificate list and the packing method — not just a price.