Controlvalve Type 8021

pneumatic controlvalve with integrated digital positioner

with membrane actuator 125 cm², spring-return (NC), self adjusting PTFE spindle seal
intermediate flange-desingn for flanges in accordance with DIN EN 1092-1 shape B

STN2-tribological pairing, characteristic curve linear

Variants:

• body steel, KVS-value reduced to 63 %
• body stainless steel, KVS-value reduced to 40 %

N. diameter: DN25, more on request
N. pressure: PN40
Body: steel 1.0570 / 1.0619; stainless steel 1.4571 / 1.4581
Positioner: digital positioner type 8049 – four wire cable; nominal stroke: 3 ... 28 mm; IP65; pressure connection G ⅛“
Temperature: up to 350 °C
Face-to-face: in accordance with DIN EN 558-1 R20; 33 mm
Springs: 4 springs, NC
Optional: functioning unit as spare parts (STN2-sliding disks)