fishgirl53 Posted February 22, 2016 Report Share Posted February 22, 2016 Hi can anybody tell me what size holes I should have for a sump for pipework the main tank being 648 ltrs and what else should I know about like pump make and size thanks any information appreciated Quote Link to comment Share on other sites More sharing options...
Shilo Posted February 22, 2016 Report Share Posted February 22, 2016 Pipe work for sump overflow: The larger diameter the better, but this will depend on the design of your overflow, how much room you have, and the rate of flow you want. At the very least if going for a 2 or 3 standpipe design I would use 32mm but much more preferable would be 40mm. Pump size: Depends a lot on what type of flow your fish like, and the head height it has to pump up to. A pump which will allow you to "play" around with the flow once set up is an adjustable DC type pump. A 9000ltr/hr Jebao DCT or similar would work if it is only pumping up from a sump under the aquarium stand. You will probably only need to run it at 1/2 to 3/4 power but it gives more options if required and the cost isn't much different then a lower powered model. fishgirl53 1 Quote Link to comment Share on other sites More sharing options...
Shilo Posted February 22, 2016 Report Share Posted February 22, 2016 By the way, 40mm is the pipe diameter to use. You will need to size the holes in the glass to a diameter of a bulkhead that fits a 40mm pipe. fishgirl53 1 Quote Link to comment Share on other sites More sharing options...
livingart Posted February 22, 2016 Report Share Posted February 22, 2016 From the Hansen website http://www.hansenproducts.co.nz/products/tank/SFTFT-install.htm RECOMMENDED HOLE SAW SIZES15mm = 22mm or 7/8" Hole Saw20mm = 27mm or 1 1/16" Hole Saw25mm = 34mm or 1 3/8" Hole Saw32mm = 42mm or 1 5/8" Hole Saw40mm = 48mm or 1 7/8" Hole Saw50mm = 60mm or 2 3/8" Hole Saw80mm = 95mm or 3 3/4" Hole Saw100mm = 121mm or 4 3/4" Hole Saw MINIMUM RECOMMENDED HOLE SIZESHole Size for 15mm = 22mmHole Size for 20mm = 27mmHole Size for 25mm = 34mmHole Size for 32mm = 42mmHole Size for 40mm = 48mmHole Size for 50mm = 60mmHole Size for 80mm = 95mmHole Size for 100mm = 121mm Remove the Back Nut and the Low Density Poly Washer (the firmer of the 2 washers) from theTank Fitting Body. Slide the Tank Fitting Bodythrough the hole in the tank. The Rubber Washermust be between the Fitting Body Flange and the tank wall (ensure the ribs on the Rubber Washerare sealing against the tank wall). On the inside of the tank wall, slide the Low Density Poly Washer back onto the Tank Fitting Body and then wind on the Back Nut. Tighten the Back Nut so that the face of both washers make full contact with the tank wall to obtain a water tight seal. Ensure that you comply with the tank manufacturers specifications When adding additional fittings it is recommended that either a thread sealing paste or thread sealing tape be used on all threaded connections. We recommend Loctite 5331 fishgirl53 1 Quote Link to comment Share on other sites More sharing options...
fishgirl53 Posted February 23, 2016 Author Report Share Posted February 23, 2016 Thank you so much everyone your advice has help me a lot I am looking at a Jebao pump I will probably go with that Quote Link to comment Share on other sites More sharing options...
livingart Posted February 24, 2016 Report Share Posted February 24, 2016 Yes good choice i have changed over to all Jebao now, variable speed is handy and service from these people has been outstanding http://aquarays.co.nz/ Adrienne 1 Quote Link to comment Share on other sites More sharing options...
Adrienne Posted February 24, 2016 Report Share Posted February 24, 2016 I have to agree with Livingart. NZ backup and a good price as well. Quote Link to comment Share on other sites More sharing options...
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