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  #1   IP: 81.155.229.131
Old 13-08-2017, 06:24 PM
Pedrod316 Pedrod316 is offline
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Default Hydraulic valve

What is this set up for?

to adjust pressure flow?
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  #2   IP: 31.53.231.28
Old 13-08-2017, 10:19 PM
quattromike quattromike is offline
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Default Re: Hydraulic valve

It must be some kind of equalising valve, it's not clear in the pic but there seems to be a pilot controlled blow off valve that blows off not the other system.
What's it off?
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  #3   IP: 81.151.174.255
Old 13-08-2017, 11:27 PM
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V8Druid V8Druid is offline
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Default Re: Hydraulic valve

looks like a 2 way cross line relief valve , with an adjustable flow valve on the one circuit .... most probably for a motor ???

What's it on ??
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Old 14-08-2017, 12:17 AM
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Default Re: Hydraulic valve

I have one, but without the flow regulator valve ...
it's used to stop motors getting damaged when they come to an abrupt halt.

When the flow suddenly stops, when a valve supplying pressure is suddenly closed ....
oil is allowed to flow, through the valve, from T into the P side of the circuit and forms a closed loop to allow the motor to run down gradually until the pressure drop is sufficient to close the bypass relief ....

the motor 'runs down' instead of coming to a halt with a bang





I also have a 1 way CLRV, on the flail I have, for the exact same purpose, to allow the motor to run down to a halt slowly



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Old 14-08-2017, 12:26 AM
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Default Re: Hydraulic valve

this looks like your valve ......

https://www.flowfitonline.com/hydrau...12-sealing-cap

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Old 14-08-2017, 07:19 AM
Pedrod316 Pedrod316 is offline
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Default Re: Hydraulic valve

Thats the very thing Druid,

It is on a pan mixer i have,couples onto the hydraulic pump.

I have never seen one fitted before on a pan mixer, what would you set the valve too? Numbered 1-5 I think? What would this purpose be

Thanks for explaining...
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Old 14-08-2017, 08:53 AM
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Default Re: Hydraulic valve

Quote:
Originally Posted by Pedrod316 View Post

I have never seen one fitted before on a pan mixer, what would you set the valve too? Numbered 1-5 I think? What would this purpose be
Most likely adjusts flow/pressure to vary the speed of the motor. Used to have a similar setup on a screener.
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To Be Continued.....
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Old 14-08-2017, 11:40 AM
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Default Re: Hydraulic valve

Quote:
Originally Posted by JD450A View Post
Most likely adjusts flow/pressure to vary the speed of the motor. Used to have a similar setup on a screener.
Quote:
Originally Posted by Pedrod316 View Post
Thats the very thing Druid,

It is on a pan mixer i have,couples onto the hydraulic pump.

I have never seen one fitted before on a pan mixer, what would you set the valve too? Numbered 1-5 I think? What would this purpose be

Thanks for explaining...
As Rory says above, it will vary the flow and hence the speed ......
the more you close it down, to slow the speed, the hotter the oil will get, as it's being forced through a reduced/restricted orifice ......

so I'd start at max flow and see if you can live with it ...
if it's too fast, slow it the bare minimum you can get away with / which is acceptable ....
the oil is gonna be getting hot, the more you restrict flow.

Better off, if you can, by reducing the flow rate at source - i.e. whatever valve is providing the flow to the mixer, or even reducing engine speed and hence pump speed.

presumably yon mixer'll be used for long-ish periods, continuously, so minimise heat build up in the oil, by varying flow rates in the best way, rather than using restrictors.

It will not vary supply pressure though .... need a completely different set up to do that
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