FWIW, I like Groco products for this sort of thing. Very robust. From: Joel Aronson via CnC-List Sent: Monday, September 11, 2017 1:51 PM To: cnc-list@cnc-list.com Cc: Joel Aronson Subject: Re: Stus-List Perko sea strainer failed - almost lost my boat!
Patrick, Yes that's the unit. The bolt with the wing nut failed. The result was the equivalent of a 2 inch hole in the boat. That's 80 gallons per minute. Luckily, I have a large bilge! Joel On Mon, Sep 11, 2017 at 1:04 PM, Patrick Davin via CnC-List <cnc-list@cnc-list.com> wrote: Yikes. Is it a Perko like this one? http://www.perko.com/images/catalog/product/xl/Fig%200493%20(Top%20On).jpg I'm having a hard time visualizing how a single bolt failure could result in a hole big enough to outpace a 800 gph pump. Sounds like one of the wing nut bolts broke, but the other one was still holding the lid torqued partially in place? Seems like a poor design. The Groco design is nice because there's no way a threaded lid could spontaneously fail - https://fisheriessupply.scene7.com/is/image/FisheriesSupply/129443-groco-gro-arg-750-s-strainer-al1 Scary that it failed randomly rather than when you would expect a corroded bolt to break (while torqueing the bolts during filter cleaning). On Mon, Sep 11, 2017 at 7:59 AM, <cnc-list-requ...@cnc-list.com> wrote: ---------- Forwarded message ---------- From: Joel Aronson <joel.aron...@gmail.com> To: "cnc-list@cnc-list.com" <cnc-list@cnc-list.com> Cc: Bcc: Date: Mon, 11 Sep 2017 10:24:34 -0400 Subject: Stus-List Perko sea strainer failed - almost lost my boat! Yesterday as we were sailing back to the dock one of my crew yelled 'there's a lot of water down here'. I opened the companionway steps and saw water coming out of the top of the sea strainer as the water was reaching the top of it. I closed the seacock and we manned the manual pump. Once the water was below the floorboards we let the electric do its job. One of the arms that held the lid in place broke at the lower end. Luckily we were aboard and found the leak. There was not excessive corrosion on the strainer, so I don't think the weakness could have been detected. Time to re-think leaving seacocks open when I'm off the boat! -- Joel 301 541 8551 _______________________________________________ This list is supported by the generous donations of our members. If you wish to make a contribution to offset our costs, please go to: https://www.paypal.me/stumurray All Contributions are greatly appreciated! -- Joel 301 541 8551 -------------------------------------------------------------------------------- _______________________________________________ This list is supported by the generous donations of our members. If you wish to make a contribution to offset our costs, please go to: https://www.paypal.me/stumurray All Contributions are greatly appreciated!
_______________________________________________ This list is supported by the generous donations of our members. If you wish to make a contribution to offset our costs, please go to: https://www.paypal.me/stumurray All Contributions are greatly appreciated!
