Nice valves in there...
20120428_155319 by arclients, on Flickr
20120428_155326 by arclients, on Flickr
20120428_155401 by arclients, on Flickr
20120428_155424 by arclients, on Flickr
20120428_155453 by arclients, on Flickr
20120428_155505 by arclients, on Flickr
20120428_155517 by arclients, on Flickr

20120428_155319 by arclients, on Flickr

20120428_155326 by arclients, on Flickr

20120428_155401 by arclients, on Flickr

20120428_155424 by arclients, on Flickr

20120428_155453 by arclients, on Flickr

20120428_155505 by arclients, on Flickr

20120428_155517 by arclients, on Flickr