choke valve 3 1/8" x 104

[godel123]

hi
what is the unite of 104 in the connection dimention of this choke : 3 1/8" x 104 ?

 

[cam72]

Hi

Most likely this is bean size or CV of the choke.Generally bean sizes are 32/64", 48/64",64/64" 128/64" and further. So if this is not bean size, then may be CV of the choke . Pl. check with vendor. From number 104 looks like it is CV of the valve. Have not come across bean size of 104.

 

[godel123]

so
i confirm its the maximum flow area 104/64 ths
and its a CAMERON Chok valve 3 1/8" x 4 1/16"
i wonder wy some manufacturer don't indicate the flanges size