The anodized body has been balanced to eliminate vibration and an integral level vial makes in-line cutting more accurate. To increase safety, the back end of the blade is contoured to avoid anything extending beyond the revolving aluminum body. The body has a built-in honing guide for easy ...
11. A tapered plug valve according to Claim 9 characterised in that the beam (106; 166) is mounted on at least one member (120, 121 ; 160) which is integral with the beam (106; 166) and the cover (9). 12. A tapered plug valve according to either Claim 1 or Claim 2 characteri...