Emerson Fisher Control-Disk- Manuals

Instruction Manual D103298X012 Control-Disk Valve May 2011 5 1. Install a three‐valve bypass around the control valve assembly if continuous operation is necessary during inspection and maintenance of the valve. 2. Inspect the valve body to be certain it is free of foreign material. 3. The valve is ...

Instruction Manual D103298X012 Control-Disk Valve May 2011 6 Table 5. Stud Bolt Data VALVE SIZE WAFER STYLE AND SINGLE FLANGE STYLE WITH THROUGH DRILLED HOLES PN 10 PN 16 PN 25 PN 40 DN No. of Stud Bolts Size Dia & Thread, mm A Dimen‐ sion, mm No. of Stud Bolts Size Dia & Thread, mm A Dimen‐...

Instruction Manual D103298X012 Control-Disk Valve May 2011 7 WARNING For single flange valve bodies with threaded line bolt holes, personal injury and property damage could result from suddenrelease of process pressure if line bolts are not properly installed. To ensure proper line bolt thread engag...

Instruction Manual D103298X012 Control-Disk Valve May 2011 8 WARNING Avoid personal injury and property damage from sudden release of process pressure or bursting of parts. Beforeperforming any maintenance operations: D  Do not remove the actuator from the valve while the valve is still pressurized....

Instruction Manual D103298X012 Control-Disk Valve May 2011 9 CAUTION Tighten the packing flange only enough to prevent shaft leakage. Excessive tightening will only accelerate wear of thepacking and could produce higher torques on the valve. Figure 5. Packing Arrangement Details STANDARD PACKING ENV...

Instruction Manual D103298X012 Control-Disk Valve May 2011 10 For valves with the ENVIRO‐SEAL packing system: Optimum performance of the ENVIRO‐SEAL packing system is obtained when the Belleville springs are tightened totheir “target load.” The target load is the point where the springs are compress...

Instruction Manual D103298X012 Control-Disk Valve May 2011 11 2. Remove the actuator per instructions in separate actuator instruction manuals, then remove the cap screws and nuts (keys 35 and 36). Remove the clamp (key 130, figure 4) if the strap (key 131, figure 4) is used. 3. Remove the packing f...

Instruction Manual D103298X012 Control-Disk Valve May 2011 12 3. Loosen the two packing hex nuts evenly to remove spring tension, then remove the nuts.4. Remove the packing flange and spring pack assembly. The spring pack assembly consists of the spring stack and packing follower. The spring stack i...

Instruction Manual D103298X012 Control-Disk Valve May 2011 13 D   For the metal seal ring assembly, place the seal ring assembly onto the disk. Set the retainer onto the seal, making sure proper alignment between the seal and retainer has been achieved. 6. Attach the seal retainer (key 2) and the re...

Instruction Manual D103298X012 Control-Disk Valve May 2011 14 Figure 6. Orientation of Bearing Tabs BEARING TAB BEARING TAB BACKSIDE OF VALVE Table 6. Follower Shaft Internal Threads VALVE SIZE THREAD SIZE DN NPS 50 2 M8 X 1.25 80 3 M10 X 1.50 100 4 M12 X 1.75 180 6 M16 X 2.00 200 8 M20 X 2.50 250 1...

Instruction Manual D103298X012 Control-Disk Valve May 2011 15 WARNING Once the shafts have been removed in the following step, the disk may fall from the valve body. To avoid personal injuryand disk damage, support the disk to prevent it from falling as the shafts are being removed. 6. Pull the foll...

Instruction Manual D103298X012 Control-Disk Valve May 2011 16 D   For a soft seal, if the spring (key 5) was disassembled, hook the spring ends together. Work the spring into the recess in the seal ring (key 4). Place the seal ring assembly onto the disk. Set the retainer onto the seal, making surep...

Instruction Manual D103298X012 Control-Disk Valve May 2011 17 Figure 8. Sectional of Typical Valve Body ACTUATOR ENDOF SHAFT POSITION INDICATION MARK INDI­CATES APPROXIMATE DISK POSITION CCW DISK ROTATIONTO OPEN X2 X1 Figure 9. Follower Spring/Spring Seat Assembly FOLLOWERSPRING SEAT(KEY 9) FOLLOWER...

Instruction Manual D103298X012 Control-Disk Valve May 2011 18 Actuator Mounting With the valve body out of the line, mount the actuator on the valve body in accordance with the instructions in theactuator instruction manual. Mount the actuator yoke to the valve body, and tighten the actuator‐mountin...

Instruction Manual D103298X012 Control-Disk Valve May 2011 20 Parts Kits Retrofit Kits for ENVIRO‐SEAL Packing Retrofit kits are available for replacing the packing in an existing valve with an ENVIRO‐SEAL packing system. These kitsare available for single PTFE or graphite packing. All parts require...

Instruction Manual D103298X012 Control-Disk Valve May 2011 21 Parts List Note For part numbers not shown, contact your Emerson ProcessManagement sales office. Key Description Part Number  1 Valve BodyIf you need a new valve body, please order by valvesize, serial number and desired material.  2 Seal...

Instruction Manual D103298X012 Control-Disk Valve May 2011 22 Figure 11. Fisher Control‐Disk Valve Assembly GE36633_C SOFT Key Description Part Number  18 Stud  19 Hex Nut  20 Drive Screw  21 Nameplate  22 Mfg Label  23* Packing Box Ring S31600  DN 50 (NPS 2) 16A6082X012   DN 80 (NPS 3) 16A6083X012 ...

Instruction Manual D103298X012 Control-Disk Valve May 2011 23 Figure 12. Fisher Control‐Disk Seal Assembly Detail GE36633_C_2 FLOW RING CONSTRUCTION ASSEMBLY SOFT SEAL CONSTRUCTION ASSEMBLY METAL SEAL CONSTRUCTION ASSEMBLY Key Description Part Number   DN 150 (NPS 6) 13B8816X092   DN 200 and 250 (NP...