Beer pump design

I gather a little research of the front and back of beer pumps to design the beer pump for my scene (both images were sampled from Google):

http://stewover.com/2012/03/06/booze-school-cask-conditioned-ale-part-1/

http://www.newcastlewineschool.com/catlist.php?cat=33

I designed the beer tap taking inspiration and reference from both pictures:

The some renders of the beer pump in the scene: