Design description:
1. API 603 design for 150 LBS & 300 LBS.
2. API 600 design for 600 – 1500 LBS.
3. Outside screw and yoke.
4. Bolted bonnet (pressure seal bonnet for 1500lbs).
5. Flexible wedge, fully guided.
6. Integral seat and back seat for 150 LBS & 300 LBS.
7. Rising stem and non-rising handwheel.
8. Available with gear operator.
9. Available with actuator.
1. Materials: (1) A351-CF8. (2) A351-CF8M. (3) A351-CF3M. 2. Ends: (1) Flanged ends. (2) Buttwelding ends. 3. Ratings: (1) ANSI 150, 300, 600, 900 and 1500 LBS. (2) JIS 1OK, 20K, 30K and 40K. (3) PN 16 and 40.