Trudesign/Forespar

I think both the Trudesign and Forespar seakocks are constructed from Marelon. Both designs are excellent. They are a little less strong (especially the small models) than their bronze counterparts, but corrosion problems are eliminated, which is a worthwhile tradeoff.

Ours are installed above the waterline, so any damage would not result in the boat sinking, but this is rare. If installed in the more common location below the waterline, ensure there is no nearby equipment that can become loose in rough conditions and impact the seacock.
 
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I think both the Trudesign and Forespar seakocks are constructed from Marelon. Both designs are excellent. They are a little less strong (especially the small models) than their bronze counterparts, but corrosion problems are eliminated, which is a worthwhile tradeoff.

Ours are installed above the waterline, so any damage would not result in the boat sinking, but this is rare. If installed in the more common location below the waterline, ensure there is no nearby equipment that can become loose in rough conditions and impact the seacock.
Yes.
Hence Truedesign sell those Load Bearing Collars. Not expensive, but they do increase "bulk".
If possible, fit them...imho.
 
The small Truedesign 1/2 and 3/4 inch sizes do not meet American static load test requirements even with the load-bearing collar. I am not sure about the European standard, which is a slightly lower load but for a longer period of time.

Sizes above this do meet the standards, some even without the collar, although if you have room, fitting the collar is a good idea for the extra protection.

The Forespar Pro series seacocks do all meet the American static load test standard. Once again, they don’t mention the European standard.
 
The small Truedesign 1/2 and 3/4 inch sizes do not meet American static load test requirements even with the load-bearing collar. I am not sure about the European standard, which is a slightly lower load but for a longer period of time.

Sizes above this do meet the standards, some even without the collar, although if you have room, fitting the collar is a good idea for the extra protection.

The Forespar Pro series seacocks do all meet the American static load test standard. Once again, they don’t mention the European standard.
3/4" and up are bureau veritas certified, I guess the Americans have to allow for more obese feet landing on them.

Tru Design
 
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