Our rugged elastomer tube with patented wear detection system is the only part in contact with the process stream. Combined with a replaceable in-line tube, no other valve can match RF VALVE for durability and cost.\r\n \r\nWe provide the world's only full line of pinch valves in standard ASME/ANSI B16, DIN and ISO face-to-face dimensions 1"- 40" ID. \r\n\r\nDesigned for exceptional performance under difficult conditions. Featuring high resistance to: \r\n* Abrasion \r\n* Scaling \r\n* Corrosion \r\n* Plugging \r\n* Vacuum to 300 psi \r\n* -50º to 300º F \r\n* pH 1-13 \r\n \r\n \r\n