LEG-IT Posted September 24, 2011 Share Posted September 24, 2011 Hey all, Just Have a few questions About Bulkheads if you blokes dont mind.. I've got 2x50mm (diameter) drilled holes on the rear panel of my 4x2x2, Just wondering what bulkhead size would suit the hole? Would a 50mm bulkhead fit? or would i be best of getting a 40mm bulkhead? Was also wondering Which bulkhead would i be better off with? I was looking at these two http://www.wetearth.com.au/Barbed-Nyglass-Tank-Outlets http://www.wetearth.com.au/Threaded-Nyglas...lkhead-Fittings Would the barbed Bulkheads be any good? Oh and is their any other place where i can source them from? cheers Link to comment Share on other sites More sharing options...
Josh Posted September 24, 2011 Share Posted September 24, 2011 I personally wouldn't use the barbed ones in the back of a tank. Bunnings sell the fittings. You need to ask for tank fittings. Link to comment Share on other sites More sharing options...
noxious_nasties Posted September 24, 2011 Share Posted September 24, 2011 If you get the barbed one, make sure they send you the right style as they gave me a cheaper alternative, which I didn't pick up because the stuff wasnt going to be used for awhile. From memory my 32mm bulkheads used a 38-40mm hole. So I would stay with the 40mm bulkhead. It's up to you which one you go for. Threaded ones are easy to find fittings for and you won't have to source a good hose that doesn't kink for the barbed ones. Wet earth is the cheapest for them. John EDIT: http://www.hansenproducts.co.nz/products/t...FTFT-dimens.htm Found their stat sheets. Here's the recommended hole sizes: RECOMMENDED HOLE SAW SIZES SFTFT 15mm = 22mm or 7/8" Hole Saw SFTFT 20mm = 27mm or 1 1/16" Hole Saw SFTFT 25mm = 34mm or 1 3/8" Hole Saw SFTFT 32mm = 42mm or 1 5/8" Hole Saw SFTFT 40mm = 48mm or 1 7/8" Hole Saw SFTFT 50mm = 60mm or 2 3/8" Hole Saw SFTFT 80mm = 95mm or 3 3/4" Hole Saw SFTFT 100mm = 121mm or 4 3/4" Hole Saw Link to comment Share on other sites More sharing options...
pjmowens Posted September 24, 2011 Share Posted September 24, 2011 as stated. 50mm hole = 40mm bulkhead Link to comment Share on other sites More sharing options...
fish4fish3 Posted September 25, 2011 Share Posted September 25, 2011 You can also get them from REECE plumbing supplies or any other plumbing retailer. If you have a mate that's a plumber than they can get it cheaper on there trade license. If you're not sure the guys in the plumbing retail will measure up to fit, but I'd say 40mm too if you're ordering off the net. next time get the heads first than drill. Link to comment Share on other sites More sharing options...
LEG-IT Posted September 25, 2011 Author Share Posted September 25, 2011 thanks for the help guys, I'll just drop into bunnings or irrigation/plumbing store to see what they have in stock.. I was informed before that i would need a 40mm bulkhead for the 50mm hole, but just wanted to be sure @fish4fish3 i got my tank second hand and already had 3 holes drilled, so i couldn't of got the heads first and drilled Link to comment Share on other sites More sharing options...
GundamCichlid Posted September 25, 2011 Share Posted September 25, 2011 try the st george landscape at ramsgate their price is also reasonable wet earth is the cheapest but not easy to exchange if what you get is not match the size that you want just in case you change your mind if you are using pvc pipe use the green glue good luck for the set up Link to comment Share on other sites More sharing options...
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