Cruising Sailors Forum Archive
Risky business...
In Response To: Yes, except my bladder tank isn't vented. 
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() If you accidentally fill the bladder and keep pumping it could burst. Also, gasses from waste decomposition could cause pressure. You are dodging a bullet.
I also have a bladder. More than once I discovered that it was full by the trail coming from the vent. 
Messages In This Thread
- Thin gravity holding tank question
- That tank will have a lot of pressure on it from the 40" of "head" pressure
- And you will have to pump up hill from the head to the top of the tank.
- You should pump up to a vacume breaker that is high anyway. You don't want to have the tank siphon back into the head.
- I checked with Raritan and they said I would pump up with no problem
- Not really...
- The sides of the tank have to thicker or reinforced more heavily to handle the deeper tank.
- It empties by opening the seacock and flowing into the sea
- And you will have to pump up hill from the head to the top of the tank.
- I think he means that he won't pump the tank out, he'll just open a valve and it will drain into the 3 miles offshore...
- We have a gravity tank like you describe, butlarger
- What I suggest is...
- That tank will have a lot of pressure on it from the 40" of "head" pressure
