Pneumatic atuator 
1. Pinion and rack structure(2 pistons) 
2. Size: DFS032 to DFS400(inside diameter) 
3. Working pressure: 3 to 8 bar 
4. Switch angles: 0 to 90° ; , ± 5 ° Adjustable 
5. Acting: Double acting; Spring return(single acting) 
6. Double coatings: 
Anodize hardening coating(more than 25μ M ), then epoxy-polyester coating(more than 200μ M) 
7. Certification: ATEX(TUV), CE 
8. Suitable temperature: 
Standard: -20~+80 centigrade 
Low temperature: -40~+80 centigrade 
High temperature: -15~+150 centigrade 
9. Output torque: 
Double acting: 3.2~13397 NM 
Single acting: 3~9358 NM 
10. Warranty: 1 million times or 3 years (stop warranty after the earlier one time arriving) for free of charge