ACE95 Series
8
Table 5. Type ACE95 Diagnostics Table: C
v
1 through 4, Inlet Pressure Range Spring 121 to 200 psig (8,3 to 13,8 bar)
121 (8,3) 120 (8,3) 74 (5,1) 30 (2,1)
130 (9,0) 129 (8,9) 81 (5,6) 37 (2,6)
140 (9,7) 139 (9,6) 88 (6,1) 45 (3,1)
150 (10,3) 149 (10,3) 96 (6,6) 53 (3,7)
160 (11,0) 159 (11,0) 104 (7,2) 60 (4,1)
170 (11,7) 169 (11,7) 111 (7,7) 68 (4,7)
180 (12,4) 179 (12,3) 119 (8,2) 75 (5,2)
190 (13,1) 189 (13,0) 127 (8,8) 83 (5,7)
200 (13,8) 199 (13,7) 134 (9,2) 91 (6,3)
Table 6. Type ACE95 Diagnostics Table: C
v
7.5 and 10, Inlet Pressure Range Spring 25 to 50 psig (1,7 to 3,4 bar)
25 (1,7) 24 (1,7) 11 (0,76) 0 (0,0)
30 (2,1) 29 (2,0) 14 (0,97) 3 (0,21)
35 (2,4) 34 (2,3) 17 (1,2) 6 (0,41)
40 (2,8) 39 (2,7) 21 (1,4) 9 (0,62)
45 (3,1) 44 (3,0) 24 (1,7) 13 (0,90)
50 (3,4) 49 (3,4) 27 (1,9) 16 (1,1)
Actuator/Diaphragm Disassembly
1. Disassemble the diaphragm by unthreading the
diaphragm retaining nut (key 13) from the
diaphragm bolt (key 15).
2. Remove the upper and lower diaphragm plates
(keys 10 and 48) and the diaphragm (key 11).
[The actuator gasket (key 12) sits on top of the
diaphragm.] In cases where the pressure range is
positive, the upper diaphragm plate is larger than
the lower diaphragm plate.
3. Remove the internal bonnet screws and lock
washers (keys 28 and 29) that attach the lower
actuator case (key 30) to the bonnet. Remove the
lower actuator case and the actuator O-ring (key 53,
Type ACE95) or gasket (key 27, Type ACE95Sr).
4. Remove the cap screws and lock washers
(keys 28 and 29, Type ACE95 or keys 50 and 51,
Type ACE95Sr) that attach the bonnet (key 17) to
the body (key 18).
5. Lift the bonnet (key 17) from the body (key 18).
Main Valve Disassembly
1. Remove the main valve (key 25) along with the main
valve spring (key 26), spring shim [key 34, 25
to 50 psig (1,7 to 3,4 bar), Type ACE95 only], and
spring guide (key 49, Type ACE95Sr only) from the
bonnet (key 17).
2. Unthread the screw (key 20) from the main valve.
3. Remove the plug (key 22) from the main valve
(key 25). See Figure 7.
4. Insert wooden dowel rod (or similar blunt tool)
through the bottom of the bonnet bore to remove
the cage (keys 35 and 40) sub-assembly.
Pilot/Cage Disassembly
1. The upper cage (key 40) will readily separate from
the lower cage (key 35). See Figure 6.
2. Gently press the poppet stem (key 42) to remove
the pilot from the upper cage (key 40).
3. Insert a small drill bit into the cross-drilled hole on
the poppet (key 42) to turn and loosen. Unthread
the poppet from the piston (key 37). Remove the
rolling diaphragm (key 38).
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