... , textile, metallurgical industrial production. pneumatic single-seated control valve(ZJHP) use on-oriented structure,with mutil ... 0.28 0.40 Performance indexnumberitemstanard control valvehot&low temperature control valveno positionerpositionerno positionerpositioner1intrinsic error<(%)±5±1± ... Flow characteristics9. Suitable temperature pneumatic single seated control valveDN25-800mm( SS ,CI ,CS )