Industrial control valves made of nodular cast iron with pneumatic actuators


Connections        : Flange to EN 1092-2 type 21

Overall length      : EN 558-1 basic series 1

Leakage rate        : EN 1349 - Seat leakage IV L1 (≤ 0.01% of kvs value)

Field of application  : Industrial systems for neutral gaseous and liquid media 0...+ 180°C, with stem

                                    heating suitable for media temperatures down to -10°C, with stuffing box extension

                                    or stainless-steel bellows to - 10°C...+300°C

Body                   : Nodular cast iron GGG-40.3   EN-JS1024

Plug/Spindle     : CrNi-steel1.4057 / CrMo-steel1.4122

Stem sealings    : EPDM (max. 180°C)

                              Alternative stem seals to 350°C 

Actuators           :  Actuating thrust up to 32 kN

                               Air connection PA-N160 and PA-N300: NPT 1/4

                               Air connection PA-N540: NPT 1/2

                               Air connection PA-N1080 and PA-N2160: NPT 3/4

                              Function: Actuator spindle extended without air, reversible

                              Actuating pressure max. 6 bar