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SYDTECH
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Join Date: Jun 2012
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Searching for a Valve

06/06/2012 10:25 AM

I HAVE BEEN LOOKING FOR small solenoid operated NC valve 250 Mpa with 1/8 NPT ports.
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JohnDG
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#1

Re: SEARCH FOR VALVE

06/06/2012 10:28 AM

What fluid?

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SYDTECH
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#2
In reply to #1

Re: SEARCH FOR VALVE

06/06/2012 10:31 AM

AIR
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JohnDG
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#3
In reply to #2

Re: SEARCH FOR VALVE

06/06/2012 10:43 AM

Good luck!

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SYDTECH
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#4

Re: Searching for a Valve

06/06/2012 10:47 AM

there is a typo...it should be 25Mpa and it is for air service
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jesw55
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#5

Re: Searching for a Valve

06/06/2012 11:07 AM

Hi SYDTECH,

2 port? 3 Port? NO? NC? Voltage? Flow required?

Best regards,

John

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SYDTECH
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#6
In reply to #5

Re: Searching for a Valve

06/06/2012 11:22 AM

2 PORT / NC / VOLTAGE DOES NOT MATTER / FLOW 5000 LITRES PER HOUR /AIR APPLICATION
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jesw55
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#7
In reply to #6

Re: Searching for a Valve

06/06/2012 11:28 AM

Hi again,

The flow seems too high.

I checked a 150 bar 1/8" valve. It shows a flow of 66 litres / hour.

Best of luck

John

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JohnDG
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#8
In reply to #7

Re: Searching for a Valve

06/06/2012 11:39 AM

Agreed. My back of envelope says the linear flow rate would be about mach 0.5.

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Codemaster
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#11
In reply to #8

Re: Searching for a Valve

06/06/2012 12:49 PM

That's assuming the 5000 ltre/h is at actual conditions (26 bara). More likely to be at standard conditions (eg 15°C, 1 bara). In that case the actual velocity is about 8 m/s (depending on actual temperature). Could be OK, he'd need to work out losses if likely to be a problem.

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JohnDG
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#12
In reply to #11

Re: Searching for a Valve

06/06/2012 1:34 PM

That did occur to me.

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Codemaster
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#14
In reply to #12

Re: Searching for a Valve

06/07/2012 7:16 AM

Is that why you didn't say it?

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JohnDG
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#15
In reply to #14

Re: Searching for a Valve

06/07/2012 7:38 AM

No - it's because posting anything on CR$ using my mobile is too much of a pain in the a$$.

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Codemaster
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#18
In reply to #15

Re: Searching for a Valve

06/08/2012 4:18 AM

Apart from that, just realised I made a mistake in #11 . I used 25 barg, should be 25 MPa = 250 bar.

Even less problem with 5000 std litre/h, if he can find a valve good for that pressure.

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JohnDG
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#19
In reply to #18

Re: Searching for a Valve

06/08/2012 4:39 AM

" ... if he can find a valve good for that pressure" - indeed.

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jesw55
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#9
In reply to #6

Re: Searching for a Valve

06/06/2012 11:42 AM

Hi again,

Where are you (in the world)?

John

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Tony Aston
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#13

Re: Searching for a Valve

06/07/2012 2:56 AM

For small valves try Lee Valves and Burkett

Tony
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Elroy
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#16

Re: Searching for a Valve

06/07/2012 3:00 PM

http://www.ascovalve.com/Common/PDFFiles/Product/8262_8263_HSeries_GP_R5.pdf

300 liter/hr.

I'm sure there are others but these are quite economical.

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JohnDG
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#17
In reply to #16

Re: Searching for a Valve

06/07/2012 4:51 PM

25Mpa (3626psi) is off-scale for any of the valves on that link. .

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Users who posted comments:

Codemaster (3); Elroy (1); jesw55 (3); JohnDG (7); SYDTECH (4); Tony Aston (1)

Previous in Forum: Baffles in the Oil Container Truck   Next in Forum: NFPA 68 Question


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