IDEAL DESIGN The non-contacting design of John Crane’s USP mechanical seals helps to reduce friction, prevent wear and extend pump life in abrasive and corrosive environments USP SPIRAL GROOVE ...

The John Crane workers make mechanical engineering seals for bearings and pumps for the oil and gas industry. Strike action is set to take place on 3, 10, 17, 22 April, and 1 and 6 May.