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mailwasay
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Join Date: Oct 2011
Posts: 2

GateValve Handwheel Orientation

11/05/2011 3:14 AM

Hi

Can we orient Gate Valve Hand wheel at downwards.If no then what would be the problem..

Thanks & regards
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Pathfinder Tags: Valve Handwheel orientation
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Tornado
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#1

Re: GateValve Handwheel Orientation

11/05/2011 3:17 AM

One of the problems is crud getting into the stem threads and packing/seal.

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jiffy81
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Join Date: Nov 2011
Posts: 8
#2

Re: GateValve Handwheel Orientation

11/06/2011 11:20 AM

Plumbing contractor 633601

your ok ( no problem ) with pointing down /Air/water/gas/

If you are using for gas ck, to see if it approved for that gas use.
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Tornado
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#3
In reply to #2

Re: GateValve Handwheel Orientation

11/06/2011 9:42 PM

Please explain why you think the issue in Post 1 does not apply.

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Iris
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Join Date: Jul 2010
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#4

Re: GateValve Handwheel Orientation

11/07/2011 6:22 AM

It depends on the design of the actuator and the installation of the valve.

Here's one that isn't designed for bottom mounted handwheel (US Navy photo):

Fisher's 1977 is designed for vertical actuation on a horizontal valve stem, position 3 shows the handwheel at the bottom:
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34point5
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#5
In reply to #4

Re: GateValve Handwheel Orientation

11/07/2011 6:08 PM

Just out of interest; why would Fisher go to the trouble, if keeping the shaft horizontal was not desirable?

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jiffy81
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Posts: 8
#6
In reply to #4

Re: GateValve Handwheel Orientation

11/08/2011 1:04 PM

good one!
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