Features:
1. Extruding alluminum body, with inner surface grinding finish. Internal and external using advanced anti-corrosion technology. Low coefficient Cylinder friction. Long service life. Highly anti-corrosive.
2. Dual-piston design of gear, compact structure, symmetrical installation, turn output shaft easily long service life, prompt action
3. Piston rack with composite bearings and guide rings on the back, acting precisely, cylinder friction coefficient, long service life
4. Combined pre-load plating spring, service longly
5. Highly precise gear and rack, small gear clearance, great output force
6. The adjusting bolt of the positive body make adjustment rang ± 4 degree between 0~90 degree of the standard product available in order to keep synchronous accuracy with valves
7. Stainless tight firmware, safe&beautiful, highly resist corrosion
8. ISO5211 standard installation
9. Special model available