Butterfly valve
Materials:
Body: GGG40 epoxy-coated -B, stainless steel* -C
Washer: Stainless steel
Cuff: EPDM (-10°C up to max. +110°C) -A, NBR (+5°C up to max. +85°C) -B, FKM (+5°C to max. +180°C) -C
Media:
liquid and gaseous neutral media (depending on the material combination)
Lengths:
DIN 3202-K1, ISO 5752 series 20, EN 558-1 series 20, BS 5155 table 6 column 4, API 609 table1
Rotary actuator
Description:
Electrical rotary actuator with optical position indicator, manual emergency operation and switch room heating Two additional limit switches are installed for further control requirements. An electronic torque limiting unit prevents damage in the event of overload. The manual emergency operation can be done without dismantling the external cladding. Do not use upside down!
Materials:
Body: PA 6
Temperature range:
-20 to +70 °C
Voltage:
24 - 240 V AC/DC, (drives can be operated with direct or alternating voltage)
Protection class:
IP 67
Power-on time:
75%
Optional:
Regulating time 140 sec. (only for drive size 2 & 3) -140, "Battery Safety Return" for emergency closing NC (default configuration) or emergency opening NO (conversion with a jumper) when there is a power failure -BSR, Positioning system 0 - 10 V or 4 - 20 mA (conversion with a jumper), precision: 3%, linearity: 2%, hysteresis: 3%, switch position NC or NO (conversion with a jumper) -DPS
Warning:
In case of high media temperatures, the actuator must be cooled if necessary!
*only available as an intermediate flange valve