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What is a venturi valve? - Weber Baby Q Grill

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Hi maggiezmart
A venturi valve is a valve that has a reduced size in the middle thus causing a low pressure in the middle of the valve to create a vacuum to pull liquids/gases into the flow stream.
More information can be had at the following webpage
Please take time to rate me
Bud
http://en.wikipedia.org/wiki/Venturi_effect

Posted on Oct 30, 2012

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Why does brine tank fill with water and overflows?


It sounds like there is a problem with either the valve in the head not sending water to the venturi jet when it is supposed to recycle or, the venturi or jet have an obstruction that is preventing it from creating the vacuum necessary to draw the brine back from the tank into the resin bed.
If there is water flowing out of the drain line during the recycle it is probably the venturi or jet need cleaning. If no water is flowing it is probably the valve assembly.

Nov 28, 2014 | Plumbing

1 Answer

87 ford crown vic drove car last nite shut it off went to start it back up to put in driveway started to back in then it died cranked on for awhile no fuel smell at motor is there a inline fuel filter...


old car, very old, and will have lots of ignored problems and skipped maintenance. (as a rule)
do the service, do the full 60k tune up. (did you?)
it's in the manuals, all of them.
and yes, that includes, all filters,

This is a CARB car, right>? (pre 88s generally are)
what engine, lots of engine options.

on carb cars, there are 3 filters (typ)
1: a filter stock in the tank.
2: an inline filter.
3: one on carb is in the , carb fuel fitting. what carb brand?

it has a trick carb too. not conventional. a VV carb.
i log in to alldata dot com, (so can you, and should)
i see
quote
All vehicles with the 5.8L engine are equipped with a Motorcraft 7200 Variable Venturi (VV) carburetor. Fuel is supplied to the carburetor by a mechanical fuel pump mounted on the engine. The fuel pump is driven by an eccentric attached to the front of the camshaft.
The 7200 VV carburetor is unique in that it is able to vary the venturi area according to engine speed and load, which is quite different from standard carburetors which have a fixed venturi area. The venturi area is varied by dual venturi valves that are controlled by engine vacuum and throttle position. The position of the venturi valves change, depending on engine demands, to determine the area for airflow to the two throats of the carburetor.
"
unquote.

the fuel pressure at the pump must be good
the filters clean
if the carb float bowl is dry, the carb will never work..


no starts on all Gas cars. is
bad engine.
bad spark
bad fuel.
(there are simple tests for each)
if spark are soaked, the try super secret unflood mode.
cranking with throttle valve (right foot) wide open
all operators guides say that.
on carb cars, this unloads the choke (if not busted) and you
get mostly air to the engine. un flooding it.
same with newer cars too.

Oct 12, 2013 | Cars & Trucks

1 Answer

No gas enters tube. nat gas valve on. ignitors sparking. orafices clean.


Glad you cleaned the orifices. Did yo also clean the burners and their venturi valves when you had the burners out? If not, I suspect you may have a spider colony that has built nests in each venturi valve. If so, it stops the gas flow to each burner dead in it's tracks.

Hope this helped you and thanks for choosing FixYa.

Aug 07, 2011 | Viking DVGBQ532-3RTL (LP) All-in-One Grill...

1 Answer

My left burner is much hotter then the right burner on my 1504 Natural Gas Grill. Please adivise


It mat simply be a case of the right burner needs to be removed and thoroughly cleaned as well as the attached venturi valve. Spiders like to build nest in the venturi valve, clogging them so the so the air to gas mixture is off.

Jul 18, 2011 | Ducane Standard 1504 (LP) Grill

1 Answer

Second third and fourth burner will not light?


Susan, there are several reasons that can cause the problem you described. The first being that theburners that won't light need to be removed and thoroughly cleaned. The cleaning also requires cleaning the Venturi Valve on each burner. The Venturi Valve will look like 2 slots cut into the side of each burner tube near the burner's open end, that fits over the burner orifice. Spiders like to build nest in the Venturi Valves. Be sure to turn the gas tank valve OFF and disconnect the hose from the tank, before attempting any work on the grill. After you have finished cleaning everything, reconnect the hose to the tank and open the tank valve VERY, VERY SLOWLY (Slow motion, slow), until it is fully open.
Then light the burner farthest from the tank first and turn it to HIGH. If the flame height kooks correct, light the remaining burners the same way. If all the burners lit and the flame heights look correct, you solved the problem (with a little help).

Hope this helped you. Please let me know and Happy Grilling!!

Jul 05, 2011 | Brinkmann 810-8410-S Stainless Steel...

1 Answer

I have a 2005 Weber Genesis Silver propane grill. The first and third burners work fine, but the middle burner will not ignite. I have cleaned it and still no flame in the middle. I'm about to order...


Jeanne - Did you remove the burner to clean? If not. you weren't able to clean the Venturi Valve, which is part of the burner. Spiders love to get in the Venturi Valve & build a nest. When that happens it stops the gas to that burner. I suspect, that may be the problem. The Venturi Valve, is part of the burner (the open end part) that's closest to you, when you face the front of the grill. It will look like 2 slots (one on each side) cut out of the burner tube, where it fits over the burner orifice. But, you can't see it, without removing the burner. An old tooth brush works well to clean it.

Hope this helped you to solve the problem. Please let me know and Happy Grilling!!

Jun 19, 2011 | Weber Genesis Silver B Grill

1 Answer

Viking gas grill - when I turn the knobs to lite up one of the burners, it rushes out the gas with a loud hessing sound. also there are flame coming out from where the gas comes out and goes into the...


What you have described sounds like a clogged burner as well as the venturi valve on the burner. Your will need to remove the burner to clean it and the venturi valve on the open end of the burner, that goes over the burner orifice. Spiders like to build nest in them and clog them up. The venturi valve will look like two slots, cut in to each side of the burner, at the open end. It's function is to mix air with the gas, for proper combustion.

Hope this helped you to troubleshoot and solve the problem. Please let me know and Happy Grilling!!

Jun 16, 2011 | Viking Grilling

1 Answer

I started up the barbecue for the first time to get all of the winter crud off, and when I start it only the outside burners will flame, the middle one asks like its starting but then burns out?


Probably some of the winter crud has clogged the burner and or the venturi valve. Remove the burner, clean it and check the venturi valve for spider build-up. Wouldn't hurt to check the burner orifice too.

Apr 10, 2011 | Brinkmann Charmglow Stainless Steel LP...

1 Answer

Flame coming back up venturi


The venturi is open to wide. If you have thre manual it should explain how to make the adjustments. If not, adjust so air intake (slot on bottom half of valve) is smaller.

Mar 23, 2010 | Garden

1 Answer

Problems with Altima Technologies AGR30PF Grill? Cant get the replacement burner to set inside the grill. Its the exact measurement of what came out.


Maker usre that the venturi on the burner is goint over the end of the valve. The end of the valve should slide into the center of the burner venturi.

Dec 30, 2009 | Altima Technologies AGR30PF Grill

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