Check valve
- Thread starter Tajjo
- Start date
alphatango
Premium Member
I have a new one that I don't need. $25
http://www.bulkreefsupply.com/store/george-fisher-wye-check-valve-swiss-made.html
http://www.bulkreefsupply.com/store/george-fisher-wye-check-valve-swiss-made.html
stugray
Premium Member
"Why not Stu? "
Because in our environment you can never depend on them.
They will grow slime, featherdusters, etc. and will not seal when you need them most.
There are other ways to solve the issue of back-siphoning from the returns to the sump.
The method I use is the siphon-break holes drilled in the return lines.
I tried check valves once but they didnt work well, and I had one split in half on me. I will never bother with them again.
Stu
Because in our environment you can never depend on them.
They will grow slime, featherdusters, etc. and will not seal when you need them most.
There are other ways to solve the issue of back-siphoning from the returns to the sump.
The method I use is the siphon-break holes drilled in the return lines.
I tried check valves once but they didnt work well, and I had one split in half on me. I will never bother with them again.
Stu
alphatango
Premium Member
I agree, avoid check valves if possible. In my case I have no choice but to use one because I have a zero edge tank. If you are going to use one then buy one that you can service. That eliminates the problem of any debris buildup that would cause the check valve to fail. I haven't had any issues in the 2 years I have been running them on my tank.
Why not use both? I have had siphon break holes fail as well, get clogged with algae or salt creep. Redundancy is always a good policy. If you get the swiss made angle check valve it comes apart for cleaning, you can also use unions on each end to be able to take it over to the sink and scrub it clean. They make true union swing check valves as well. Both I use but prefer the swiss made angle check valves.
I agree. The more fail safes the better.
stugray
Premium Member
PotHuntR,
"I agree. The more fail safes the better. "
stugray: "and I had one split in half on me."
But if your failsafe introduces a new failure mechanism, then what have you gained?
Tajjo,
"Well i was going to go with Stu's idea but i have the flow accelerators so it is loud and to be honest i didnt like the noise. Thus my check leading to a check valve..."
I dont know what you mean about "it is loud". Do you mean - You are using eductors/penductors and use a very high pressure pump? This might cause the anti-siphon holes to spray & make noise.
Mine just spray inside the overflow since that is where my returns come out.
Stu
"I agree. The more fail safes the better. "
stugray: "and I had one split in half on me."
But if your failsafe introduces a new failure mechanism, then what have you gained?
Tajjo,
"Well i was going to go with Stu's idea but i have the flow accelerators so it is loud and to be honest i didnt like the noise. Thus my check leading to a check valve..."
I dont know what you mean about "it is loud". Do you mean - You are using eductors/penductors and use a very high pressure pump? This might cause the anti-siphon holes to spray & make noise.
Mine just spray inside the overflow since that is where my returns come out.
Stu
