Alfa Laval 316L 3" Throttling Valve 771S-21M-24P-x-316L Siemens 73N-B Positioner

Alfa Laval Tri-Clover Sanitary Throttling Valve with Siemens Positioner. Used, in good working condition. 

Alfa Laval P/N "771S-21M-24P-0-316L" (on yellow tag shown, I do not see writing on the item) 

Siemens P/N 73N-B

List price ~$6,000.00

Note: Item weight is 39.6 lbs.