Overhaul An Analytical Valve - Emerson Rosemount 370XA System Reference Manual

370XA Gas Chromatograph
APRIL 2014
6.3

Overhaul an analytical valve

1. Hex bolt
2. Flat washer
3. Actuation cap
4. Lower actuator diaphragms
5. Long pistons
6. Lower piston plate
7. Upper actuator diaphragms
8. Short pistons
9. Upper piston plate
10. Cushion diaphragm
System Reference Manual
7P00370-H01
11. Primary diaphragm
12. Thin guide pin
13. O-rings (2)
14. Thick guide pin
15. Actuation base plate
6 - 7