Pressure set up

[Konabud]

Hey!
I'm adding a pressure regulator to the water system on my boat. I know how it's supposed to hook up but I'm not seeing any real clean way to mount it. It will look similar to Hi-Techs setup only with the dial regulator from Rex. Does anyone have any pics of their install? I'd really like to see some options if it's not too much trouble.
Thanks,
Creg
AKA Konabud

[Taylorman]

I have the perfect picture for you but i don't have it on my office computer. I'll post it tonight.

[Konabud]

Thanks, I'll be looking forward to them

[flat broke]

While you're waiting for Taylormans pic, something to remember. The increments on the valve you have do not correspond to the actual pressure inside the block. In order to set the system up properly, you should have a gauge on the block and adjust the bypass to open at whatever PSI you want to limit everything to at WOT. You will make the most water pressure at WOT hence the reason you set the bypass based upon the block pressure at that RPM.
Good luck with it,
Chris

[Konabud]

Thanks for the info. Will the pressure that the regulator passes vary with different RPM? I was thinking it wouldn't care and just bypass anything over the set (by gauge) pressure so that at 1000 or 5000 it would bypass anything over say 20lbs.

[Taylorman]

Thanks for the info. Will the pressure that the regulator passes vary with different RPM? I was thinking it wouldn't care and just bypass anything over the set (by gauge) pressure so that at 1000 or 5000 it would bypass anything over say 20lbs.
Thats correct. The bypass does not read rpms it reads pressure.

[Konabud]

While you're waiting for Taylormans pic, something to remember. The increments on the valve you have do not correspond to the actual pressure inside the block. In order to set the system up properly, you should have a gauge on the block and adjust the bypass to open at whatever PSI you want to limit everything to at WOT. You will make the most water pressure at WOT hence the reason you set the bypass based upon the block pressure at that RPM.
Good luck with it,
Chris
Where is the best place on the engine to put the pressure gauge?

[BUSBY]

Well ... you're gonna have to look through all of the spagetti to kinda see it ... but it's there ... this was mid-disassembly for the rebuild ...
http://www.***boat.com/image_center/data/520/2358gullwing_007.jpg

[BUSBY]

that is if you are looking for a transom set up regulating pressure to the engine ... I guess I should have said that ...

[Konabud]

that is if you are looking for a transom set up regulating pressure to the engine ... I guess I should have said that ...
http://www.***boat.com/image_center/data/520/3112pressure.JPG
That's exactly what I want to do although my supply from the pump comes through the transom and then bends down toward the bottom of the boat. How does your's attach at the transom? I can't quite see it (squinting hard)

[flat broke]

I'm sure busby will chime, in but his is probably plumbed in with a threaded NPT tee on the supply line. You have your feed off the pump, the tee, the bypass sitting on top of the tee, and the feed continuing to the motor off the "run" of the tee.
As far as where to pull a pressure reading... Somehwere easy to see. Usually the intake is a good place. Most manifolds have plenty of ports around the thermostat housing. Just put a mechanical gauge in there and have someone ridding shotgun to keep an eye on it while you're dialing it in. For all intents and purposes, you could pull the guage off once the thing is set up.
Chris

[Konabud]

I was just wondering how the "T" actually attached to the supply line at the transom. Is there some kind of compession fitting or something?

[BUSBY]

Chris is 100% correct ... I have a different pump set up ... I will take some pics in a little while and post them up ...
I do have this pic from our other boat ... you'll see the braided line coming from the pump to the transom out of the 45* fitting we installed where the pump supplies water ... at the transom, we installed a bulkhead fitting with a #6 male on the supply side and 3/8" NPT (I think) on the inside ... once in the transom, we put a gate valve, after that, a tee with the pressure regulator going to the engine and the bypass back out thru the transom ...
Here is the other pic ... but it is quite a pit different as it has the pump set back and is a different pump (but you'll get the idea) ...
http://www.***boat.com/image_center/data/520/2358IMG_0077.JPG

[BUSBY]

I was just wondering how the "T" actually attached to the supply line at the transom. Is there some kind of compession fitting or something?
yes ... there is a bulk head fitting that you can get from your local supplier ... guys like superdave! ( http://www.sweetperformance.com/ )

[RCB19]

Here's how I mounted mine. Fabbed a bracket for the regulator and mounted it to the rail kit.
http://www.***boat.com/image_center/data/521/2984HPIM0299.JPG

[Konabud]

Nevermind, there were three more post as I was writing this one need to look first (always a good idea)

[BigBlockBaja]

Here's how I mounted mine. Fabbed a bracket for the regulator and mounted it to the rail kit.
http://www.***boat.com/image_center/data/521/2984HPIM0299.JPG
Is that just a standard regulator from a hardware store?

[RCB19]

Got this one from Grainger. There are alot of guys here using this regulator. Never had an issue with it.

[BigBlockBaja]

Got this one from Grainger. There are alot of guys here using this regulator. Never had an issue with it.
Oh, Im not questioning it, Looks like something I may want to run. Im not sure if I need one though. Im running this...
http://www.cpperformance.com/images/540-160200.jpg
And was wondering if the excess pressure my pump makes will just get dumped out the risers....

[RCB19]

That is a thermostat kit. It will not regulate block pressure. The whole idea is to regulate the pressure before it enters the motor.

[Konabud]

Thanks everyone for the responses I think I'll be able to get it now!

[PC Rat]

Thanks for the info. Will the pressure that the regulator passes vary with different RPM? I was thinking it wouldn't care and just bypass anything over the set (by gauge) pressure so that at 1000 or 5000 it would bypass anything over say 20lbs.
Keep in mind that a bypass - like in Busby's boat, and a regulator - like in RCB19's boat are two different things.

[clownpuncher]

Don't know if this will help your application, but, here's a pic of mine. Mounted on the transom next to the diverter res. Sorry it's so big.
http://www.hotboatpics.com/pics/data/500/1081otr_engine_2.jpg

[Konabud]

Nice looking setup! Thanks, my regulator is exactly like Busby's first pic, except I think I'm just going to replace the down swept supply hardline on my JE pump with a straight pipe threaded on both ends. Then thread my "T" and regulator / bypass right on to the end of it. Should work out good if I can find the same diameter pipe. :idea:

[PC Rat]

Nice looking setup! Thanks, my regulator is exactly like Busby's first pic, except I think I'm just going to replace the down swept supply hardline on my JE pump with a straight pipe threaded on both ends. Then thread my "T" and regulator / bypass right on to the end of it. Should work out good if I can find the same diameter pipe. :idea:
You should try to get a shut off valve into the system - as close as you can to where the water comes in. That way if you blow a line you can close the valve.
Brian
For Sale:

[Willis]

Hello People,
I think you can find what you need here
:argue:
http://www.watts.com/scripts/pro-products.watts?_cfg=./db/pro-products.cfg&_fil=cat2%3d'Water_Pressure_Reducing_Valves_Standa rd_Capacity'.and.cat1%3d'Pressure_Regulators_&_Automatic_Control_Valves'.and.div%3d'_watersafety-flowcontrol'&_sn=pro-products&_tar=_view5_watersafety-flowcontrol
Willis

[Taylorman]

Heres the picture i was talking about. I like how the pressure regulator is mounted up out of sight.
http://i22.photobucket.com/albums/b334/vidrinek/Boat/252waterbypassjpg.jpg

[Konabud]

Excellento!! Thanks :D

[Taylorman]

Oh, Im not questioning it, Looks like something I may want to run. Im not sure if I need one though. Im running this...
http://www.cpperformance.com/images/540-160200.jpg
And was wondering if the excess pressure my pump makes will just get dumped out the risers....
The thermostat will regulate block pressure also. The spring inside of it is a 15 lb spring. When the block pressure exceeds 15 lbs, the water will take the path of least resistance and bypass into the top of the thermostat and into the outlets.

[Konabud]

Where did you get the fitting that goes to the thru hull? Is it one piece?

[BigBlockBaja]

The thermostat will regulate block pressure also. The spring inside of it is a 15 lb spring. When the block pressure exceeds 15 lbs, the water will take the path of least resistance and bypass into the top of the thermostat and into the outlets.
Thats what I thought Taylorman. Thanks for clearing that up. That would explain the nice oil in the motor and no regulator.
:crossx: :crossx:

[Taylorman]

Where did you get the fitting that goes to the thru hull? Is it one piece?
http://www.rexmar.com/images/page170.jpg

[Keyser]

Here's how I mounted mine. Fabbed a bracket for the regulator and mounted it to the rail kit.
http://www.***boat.com/image_center/data/521/2984HPIM0299.JPG
What happens to the pressure on the intake side of the regulator.
I'm thinking of running the same type of setup with a straight piece of pipe but want to make sure it will be ok. I don't want a blow out at WOT :cry:

[Konabud]

Heres the picture i was talking about. I like how the pressure regulator is mounted up out of sight.
http://i22.photobucket.com/albums/b334/vidrinek/Boat/252waterbypassjpg.jpg
I was meaning the AN fitting that hooks the thru hull (water dump) to the regulator

[RCB19]

What happens to the pressure on the intake side of the regulator.
I'm thinking of running the same type of setup with a straight piece of pipe but want to make sure it will be ok. I don't want a blow out at WOT :cry:
You will be fine. Guys with well over 1000 ponies are running this one.

[flat broke]

The thermostat will regulate block pressure also. The spring inside of it is a 15 lb spring. When the block pressure exceeds 15 lbs, the water will take the path of least resistance and bypass into the top of the thermostat and into the outlets.
Taylorman,
While you are correct in your statement about the bypass in the thermostat kit working as stated. It is not a replacement for regulator (bypass or deadhead) on the inlet of the pump. This is because the bypass in the thermostat kit dumps excess pressure out the remainder of your cooling system just as if the thermostat was wide open and the kit wasn't there. Some setups (especially at higher HP levels) will pull in water faster than the cooling system can discharge it. When this happens, pressure builds in the system. The thermostat kit would bypass when the thermostat is closed and the pressure underneath it hit 15lbs. But even when the bypass is open, the water would just be taking the path it would take when the whole system was open. So if the pump is putting in water faster than the rest of the plumbing can evacuate it, you'll still build block pressure. The bypass that Konabud is installing, or the deadhead type that many of the rest of us run regulates the water flow before it gets to the motor and before it gets to the thermostat kit.
I hope that makes some kind of sense.
Thanks,
Chris

[Konabud]

You should try to get a shut off valve into the system - as close as you can to where the water comes in. That way if you blow a line you can close the valve.:
Thats definetly in my game plan!

[BUSBY]

Hey Kona ... sorry I didn't get the pic up yesteday ... but here it is out of the boat ... simple to see (I have the pump out to re-powdercoat it) ... it's a different pump, but you'll get the idea ...
Good luck ...
Brian
http://www.***boat.com/image_center/data/520/2358gullwing_028.jpg

[Konabud]

Thanks Brian, thats exactly what I'm talking about. Is that a stock supply pipe (straight) for that pump or did you make something up. I kind of like the way Taylor's regulator is mounted. I could mix the two setups and lose 2 elbows in the bypass line. Just run straight up from the "T" into the bottom of the regulator. COOL Thanks again to everyone!!
Creg
AKA Konabud

[BUSBY]

Thanks Brian, thats exactly what I'm talking about. Is that a stock supply pipe (straight) for that pump or did you make something up. I kind of like the way Taylor's regulator is mounted. I could mix the two setups and lose 2 elbows in the bypass line. Just run straight up from the "T" into the bottom of the regulator. COOL Thanks again to everyone!!
Creg
AKA Konabud
no ... it's nothing special ... just a brass pipe and pipe fittings ... I'm gonna change it out with steel braided lines and fittings, but this is how the boat came ... and it works well ... I just want it to be nicer looking ...

[Konabud]

I'm just going to have to change out the stock supply pipe (bent 90 degrees) with a straight one that's threaded on both ends.