2 replies to this topic

[ajayd]

Dear All,

Please let me know what is the philosophy behind the two check valve concept? When should we go for it & what are the types generally we use.?

Regards,

Ajay

[ankur2061]

Ajay,

Have a look at the links below. They should help you in understanding requirement of 2 check valves on the same line and the logic behind the fact that they should be dissimilar in operating principal (as an example one a plug-check type and the other a swing-check type).

http://www.usbcd.com...0513/13757.html

http://www.cheresour...ty-check-valve/

http://www.eng-tips....d=246849&page=7

http://www.cheresour...-valve-failure/

Hope this helps.

Regards,
Ankur.

[fallah]

Please let me know what is the philosophy behind the two check valve concept? When should we go for it

In brief:Increasing reliability against probability of valve failure.