If you continue without changing your cookie settings, well assume that you are happy to receive all cookies on our website. Marelon fullflow seacocks forespar fisheries supply. If you continue without changing your cookie settings, well assume that you are happy to. Special report special report what every sailor needs to know. Im considering replacing all the seacocks on my boat with plastic ones.
You will need to cut the length of the thruhull so it engages the seacock by a minimum of 56 threads. For all marelon integrated valves the marelon seacock you have received for replacement has been factory assembled and pressure tested to marine u. Be sure you have a flat surface inside the hull that is large enough to accommodate the base flange of the valve. Seacocks partsvu is proud to carry a selection of seacocks from leading suppliers like groco, perko, forespar, and others. May 11, 2011 even if maintenance has been neglected and the seacock is completely seized, open or shut, it can probably be recovered to workable condition, and can usually be made as good as new.
The handle, at some point, had snapped, doing nothing. Seacocks are best lubed with the boat out of the water. More is fine but the threads do not need to bottom. Next time youre hauled or on your trailer, count the holes in your hull and make notes as to their location and function. The cookie settings on this website are adjusted to allow all cookies so that you have the very best experience.
Marelon fullflow seacock mushroom thruhull x ball valve. A light lube from timetotime is all the service needed. Quality seacocks have bronze bodies with a stainless or chromed ball inside. Bv series full flow seacocks installation, operation, and. Marelon is uv stabilized and will not deteriorate in sunlight. Marelon seacocks are made from glassed filled nylon, therefore not subject to. Care should be taken when considering anew location for an additional seacock. It can be used above or below the waterline, and comes standard with buttress thread thruhulls. Since 1968, west marine has grown to over 250 local stores, with knowledgeable. Forespar marelon thruhullseacocks are corrosion free and provide great peace of mind in that regard. Dont know if it still does as i stopped using them due to failures. Ulube grease the concept ball valves inline valve or flanged seacocks that are exercised frequently operate more easily and are likely to remain free of marine growth. The bronze seacock will still have a ts of 35,000psi and a fm of 15,000,000psi.
With the boat out of the water, hold the handle and using a wrench, remove the lock nut, adjusting nut and washer. This integrated 2part system comes complete with a marelon valve and properly matched mushroom head thruhull with super strong buttress type threading. If the hull is curved as many are you will need to make a backing block to comply with abyc standards. Includes spartan seacock wrench, lapping compound, seacock grease, mixing sticks and brushes along with maintenance instructions. This is a flanged installation, but the inside base of the installation is fiberglassed over, almost up to the valve handle,including the nuts securing the flange. Fittings made of the same material to cover every installation n no galvanic or electrolytic corrosion a big advantage n minimal maintenance n highquality, dedicated marine products cons. Marelon seacock with bsp thread connection marine chandlery. Not the case, just the handle rotated, not the ball, which was frozen closed.
These marelon valves are a complete unit consisting of a thruhull fitting, valve body and hose tail barb. The other end of the seacock has a threaded female bsp fitting. Fast shipping, easy shopping, quality customer service and great pricespartvus promise to you. Since 1968, west marine has grown to over 250 local stores, with knowledgeable associates happy to assist. Replace your older style marine seacock with a bronze seacock that is serviceable while installed. Choose the product you need from the dropdown menu.
Installing a seacock in a new location marine how to. This new package is designed to eliminate valve and thruhull thread style mi. Bv series full flow seacocks installation, operation, and maintenance info sheet bv series, 1 of 1 1511 parts and assembly exploded view item name qty bv750 bv bv1250 bv1500 bv. Specially formulated grease specified in the manufacturing of our spartan seacocks. Marelon mf849 series seacock installation page 1 of 2 quick checklist. These seacock assemblies are made of exceptionally strong, fiberglassreinforced marelon. The seacocks that are most commonly ignored are those for cockpit drains and sink outlets, so make a point of turning these off and on a few times before leaving the boat. This integrated 2part system comes complete with a marelon valve and properly matched mushroom head thruhull with super strong. How to lubricate marelon valves jamestown distributors. One of our y valve through hull was leaking at the handle with the expected smell, when at the overboard and to the holding tank positions. Thoroughly clean the tapered plug and the inside of the seacock body with a solvent that will cut the old grease.
Surveyors pack detailing series 93, certification and marelon plumbing. Marelon has an excellent operating temperature range from 40. M8 marelon seacock replacement instructions deckhardware. Forespar marelon plastic seacocks force 4 chandlery. Marelon is both electrically and chemically inactive making for easy installation, very low maintenance, and long.
Lubrication for marelon ball valve sailboat owners forums. Aug 20, 2012 seacock maintenance posted by adam claxon august 20, 2012 the long forgotten seacock. My bet is the handle coming off was because that wasnt done. Grocos fullflow flanged bronze seacocks feature allbronze castings with stainless steel fullflow balls and glassreinforced ptfe seats and seals. Forespar marelon fullflow seacock 12 mushroom throughhull. Seacock lubrication tip attainable adventure cruising. Simply activate the valves on a regular basis and lubricate with winch grease. Nov 17, 2016 marelon seacock should never be lubed with a petroleum based lube, such as vasceline. These valves are essential components that keep water on the outside of your boat.
It just felt as though it was openingclosing when the handle was rotated 90. I put a 1 12 nonoem style forespar marelon seacock in last spring for the macerator system and it uses an exterior flush thru hull that screws into the base of the seacock. Fast shipping, easy shopping, quality customer service and great. The marelon plumbing system for power and sailboats is a very complete line of marinegrade seacocks, valves, thru hulls and related fittings. The seacock under my sink has been progressively more difficult to operate. One of our y valve through hull was leaking at the handle with the expected smell, when at the overboard and to the. Ball valves inline valve or flanged seacocks that are exercised frequently operate more easily and are likely to remain free of marine growth. Apr 26, 2015 john was born and brought up in bermuda and started sailing as a child, racing locally and offshore before turning to cruising. Forespar marelon fullflow seacock 114 mushroom through. This marelon seacock comes complete with a through hull. May 16, 2008 marelon marine grade plumbing systems valve lubrication as a follow up to previous tech tips.
Although bronze plug seacocks by different manufacturers will vary slightly in construction details, the general principles are the same, and maintenance pro. Marelube valve has been refined by forespar to suit the needs of boaters for the lubrication of marine valves and seacocks of any material. Simply activate the valves on a regular basis and lubricate with winch grease, lanacote, or water pump grease twice a year. Marelon seacock failure like many boats manufactured since the early 1990s, priorities has marelon thru hulls and ball valve seacocks made by forespar.
Wiki manta articles how to articles forespar marelon through hulls leak fix. Grocos fullflow flanged bronze seacocks feature allbronze castings with stainless. It is unaffected by electrolysis so there is no need for a bonding wire. Marelon is both electrically and chemically inactive making for easy installation, very low maintenance, and long service life for the end user, without the worry of possible corrosion over time. The marelon seacock and thruhull will have a ts of 7,500psi and a ts of 250,000psi. Fittings made of the same material to cover every installation n no galvanic or electrolytic. Care should be taken when considering anew location for an additional seacock which includes, easy access, hose routing and seacock location for valve movement. If this valve has such a big job, why is it that most of us never pay any attention to it. Its possible, but difficult, in the water as an outside plug must be fitted, hose removed, residual water removed, interior of seacock dried and synthetic lube applied, working the lube around the valve. Marelon products meet and exceed the worlds toughest standards for the recreational boating market.
Put your boat in the water with a properly installed bronze seacock and a marelon seacock for 6 months what will happen, a 60% overall loss in ts and fm values of the marelon. Most any bronze valve by apollo, conbraco or groco will spin 360 degrees without the handle. Forespar marelon flanged seacocks jamestown distributors. Nov 01, 2016 the oem marelon seacock had, fortunately, seized in the closed position. The forespar series 93 seacock is constructed of marelon, making it corrosion resistant.
Finish the hole with a twohanded tap handle exerting equal pressure on each side of the tap driver. All forespar marelon valves are assembled and pressure tested to these standards before shipping. Marelon is both electrically and chemically inactive making for easy installation, very low. Mack engineering forespar marelon marelon seacocks. With proper maintenance, your solid bronze spartan seacock will provide years of service.
Plus information on the forespar range of marine plumbing including valve installation, thread conversion, certification and maintenance. I think it is a marelon seacock, but have not yet confirmed that. Some have nonmetallic composite bodies, such as forespars marelon valves. More is fine but the threads do not need to bottom out in the valve body. The marelon seacock you have received for replacement has been factory assembled and pressure.
You want to dryfit first to be sure the valve handle is facing the direction you want and index. The thruhull fitting uses a buttress style thread for. The marelon range, made by forespar, are glass reinforced dupont zytel. Forespar marelon through hulls leak fix manta owners. Bv series full flow seacocks installation, operation, and maintenance info sheet bv series, 1 of 1 1511 parts and assembly exploded view item name qty bv750 bv bv1250 bv1500 bv2000 bv2500 bv3000 bv4000 bv5000 1 top nut 1 bv752 bv1002 bv1252 bv1502 bv2002 bv2502 bv3002 bv4002 bv5002. For nearly thirty years, these products have provided unmatched reliability to marine chandleries, boat yards and the worlds leading boat builders. Forespar marelon fullflow seacock 12 mushroom through. Forespar marelon valve maintenance jamestown distributors. Apr 28, 2009 on some of the older marelon valves this worked too. I contacted art bandy at forespar, california and received an immediate reply with instructions on how to fix the leaky valve handle. Groco fullflow flanged bronze seacocks west marine. Even if maintenance has been neglected and the seacock is completely seized, open or shut, it can probably be recovered to workable condition, and can usually be made as good as new.
These valves should be activated on a regular schedule. These 93 series seacock assemblies are made of exceptionally strong, fiberglassreinforced marelon. Waterproof grease winch grease or lanocote will do. Wes gary explains the proper way to install a marelon seacock from forespar. Partsvu is proud to carry a selection of seacocks from leading suppliers like groco, perko, forespar, and others.
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