Oliver Twinsafe Valves Ltd is a UK based manufacturer of high quality pipeline ball valves and double block and bleed valves. Established in 2000, we are a sister company to Oliver Valves Ltd and Oliver Valvetek Ltd. Our customers include all the major Oil and Gas operators, plus other markets such as Petro Chemical and Power. Our valves are installed in critical applications across the globe, providing maximum operator safety and long maintenance free service life.