Pneumo-Hydraulic Drive – type PHD
PNEUMATIC MAIN DRIVE AND HYDRAULIC AS A EMERGENCY DRIVE
Flow control, On/Off, Emergency Shut-Down and different safety operations.
Extremely reliable solution for the most difficult working conditions.
Drive mode and valve design provides a very wide area of application from cryogenic areas to hot steam.
Drive directly with compressed air up to 10 bar and emergency operation with hydraulic hand pump or oil accumulator up tp 250 bar.
Direct drive with flow medium is excellent solution to getting of different automatic valve functions.
Feedback system to valve openness control as a internal and external type (INCP or EXCP).
Drive combinations: Single acting with options fail to close or fail to open and double acting.