General Specification:
1) Linear torque output
2) POASR: Spring return
POADA: Double acting
3) Wearing sliding bearing
4) Dual piston rack-and-pinion design
5) Use for long time and no maintenance
6) Accord with ISO5211, NUMUR standard
Operating temperature:
Standard product: -30°C to 100°C
FKM O-rings:15C° to 150°C
Silicon O-ring:-40° to 80°
Maximum working pressure: 8bar(116 PSIG)
Combined the spring seat load
Solenoid valve for the installation of NUMUR standard
According to NAMURVDI VDE 3845 standard installation each device
According to ISO 5211 and DIN 3337 standard connection
Position indicator can be also used to operate mechanical limit switches .
This series of product has experienced several decades of development and technological improvement,
It has many advantages such as operation reliability, operating life long, wide adjustable range, strong corrosion
and specifications full rang with perfect functions and a strong marketing function. and widely used in petroleum,
natural gas, chemical, electricity, papermaking, water treatment, heating, power plants, light industry and other industries.