... .ISO9001, CE certificate .2.High quality , competitive price, fast delivery. ModelAT 052—270Angle of rotation0°-180°Pressure range (bar ... international standards ISO5211 and DIN3337(F03-F25). Pneumatic three-piece ball valveModel : ZTQ61(6,8,2)F (N, P, ... (spring reposition)Control: Switch , Adjust .Selection of Accessories: solenoid valve, locator, limit switch, F.R..L. Combination unit. Manua Device ...