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How to choose valve for some abrasive situation ?

How to choose valve for some abrasive situation ?

(OP)
There are a special situation ,the medium is with particle and ash ,how to choose pipes and valves for them ?

Specialized in special industry valve

RE: How to choose valve for some abrasive situation ?

Doris Wang,
Consider the following:
Rubber Lined Pipe
http://www.abtrex.com/rubber-lined-pipe/

Rubber Lined Valves
Overview
Available in both weir and straight through designs and with a number of lining options to suit both aggressive and abrasive line service.
A Type DN20 - 500 (3/4" to 20")
KB Type DN20 - 350 (3/4” to 14”)
http://www.cranecpe.com/chem-energy/products/valve...

Sometimes its possible to do all the right things and still get bad results

RE: How to choose valve for some abrasive situation ?


Agree!

Another solution is to use pure quetsch valves (pinch valves) where a mechanical device pinches the outer wall of an elastic, multilayered inner smooth pipe.

By troublesome mixed fluids with hard particles you can either go 'soft' (as previous examples) or hard (most extreme ceramics) or thin (knifegate valves). Best solution is depending on all flow and fluid data.

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