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Summary of Contents for Dresser Masoneilan 35002 Camflex II Series
- Page 1 Instruction Manual EF35002 Putting You In Control 08/10 35002 Camflex II Series ® Rugged, All-Purpose Rotary Control Valves...
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Page 2: Table Of Contents
Consult the factory for guidance on specific applications if required prior to installation. Copyright Masoneilan is a registered trademark of Dresser, Inc. All information contained herein is believed to be accurate at the time of ® publication and is subject to change without notice. -
Page 3: Safety Information
Dresser recommended usages. Dresser, This is the safety alert symbol. It alerts you to potential personal Inc. reserves the right to discontinue manufacture of any injury hazards. -
Page 4: Introduction
1. Introduction 3. Principle of Operation The following instructions are designed to assist maintenance The concept of the Camflex II valve is based on an eccentrically ® rotating spherical plug contained in a free flow body design. The personnel in performing most of the maintenance required on the plug seating surface is joined by flexible arms to a hub which Camflex II valve and if followed carefully will reduce maintenance... -
Page 5: Unpacking
Seat Ring Plug Fluid Flow Shaft Guide Bushing Handwheel Flexible Arms Guide Bushing Lever Actuator Figure 2 The actuator is generally mounted with air-loading to counter the 4. Unpacking dynamic torque on the plug. In Figure 2 the flow direction tends to open the plug and the actuator is oriented to close it with Care must be exercised when unpacking the valve to prevent increasing air pressure. -
Page 6: Air Supply Piping
C. To allow for in-line inspection, maintenance or removal of 7. Placing in Service the valve without service interruption, provide a manually operated stop valve on each side of the Camflex II valve With the valve properly installed in the line and all air or electrical ®... -
Page 7: Actuator Complete Disassembly
D. Remove indicator (88) by removing the two screws (89). 8.2 Actuator Complete Disassembly E. Loosen handwheel lock (52) and turn handwheel (53) so it The spring diaphragm actuator used on the Camflex II valve ® does not interfere with the movement of the lever (34). was designed basically as a low cost non-replaceable item and therefore disassembly is not recommended. - Page 8 CAUTION CAUTION When using heating devices, ensure that proper safety Do not pry the bushing using the seat for leverage. If the practices are observed. Such items as the flammability bushing cannot be easily removed, proceed to section and toxicity of the controlled substance must be 8.3.1 and remove the seat ring retainer and seat ring then CAUTION CAUTION...
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Page 9: Maintenance
8.3.2 DVD Removal (Refer to Figure 16) CAUTION In case of Camflex with the DVD option, model number ® 35x3x or 35x4x, the DVD is installed in the body, it is Care must be taken to avoid damage to the gasket recommended to use the DVD wrenches to remove this face on the valve body. -
Page 10: Body S/A Internal Parts
WARNING Figure 7 CAUTION 9.2.1 Hard Seat Lapping Lapping is the process of working the valve sealing parts against each other with an abrasive, to produce a close fit. Ensure that the capscrew holes in the diaphragm case To perform the lapping operation, proceed as follows. and spring barrel are aligned to prevent twisting of the A. -
Page 11: Yoke Assembly
G. Lap the plug lightly against the seat ring while turning Note: Depending on the actuator position, ensure that and oscillating the plug in all directions. the body studs (short studs) when placed through the yoke holes will be positioned in the front of the yoke H. -
Page 12: Handwheel Reassembly
10.4 Limit Stop Reassembly Two different types of assembly for the limit stop in function of the actuator size: see Figure 9. 10.5 Valve Body Reassembly (Refer to Figure 16) WARNING Prior to reassembly, the valve body should be thoroughly cleaned and the seat ring and plug may be lapped as indicated in Section 9.2. -
Page 13: Seat Ring Alignment
F. Place upper guide bushing (21) on the shaft (19). S. Install packing (17) insuring that the skive cut of each piece of packing is offset approximately 120° from that of the G. Place plug (4) in body so it rests on the seat. adjacent piece of packing. -
Page 14: Dvd Plate Reassembly
WARNING C. If applicable, back off optional limit stop (77) so it will not Minimum Torque Valve Size interfere with the operation of the lever (34). lb.ft D. Apply air pressure to the actuator and move lever (34) to an 1"... -
Page 15: Changing Body Position
CAUTION F. Loosen clevis locknut (46). G. Screw clevis (35) in or out so that when the air pressure corresponding to the closed position mentioned in C above Do not exceed pressure listed in Figure 14 for the is applied, clevis holes and lever will be in line. actuator used. -
Page 16: Changing Actuator Action
To change body position proceed as follows: G. Remove Truarc ring (50) and washer (51) from handwheel powerscrew assembly. A. Refer to Figure 19 and determine which is the desired valve H. Unscrew and remove handwheel powerscrew assembly from position, flow direction and which actuator position is required. WARNING yoke (33). -
Page 17: Manual Actuator Option
Service Sealant Lubricant Diaphragm Glue Silver Seal T-J, Turbo 50 or Molykote G or 3M High Track adhesive Condensate and Steam HYLOMAR SQ 32 GRAPHENE 702 transfer tape (or equal) Cryogenic Crown N. 9008 Teflon Spray Crown N. 9008 Teflon Spray 3M Pressure sensitive tape, -20°F to -320°F or RODORSIL CAF 730... - Page 18 Original Design 103 104 100 101 102 Figure 16 N°9 Figure 17 Instructions EF35002 - 08/10 Camflex II 35002 Series Control Valves ®...
- Page 19 Parts Reference Ref. Qty. Part Name Ref. Qty. Part Name Ref. Qty. Part Name Body Body Stud Serial Plate Seat Ring Rear Cover Plate Screw Retainer Cover Screw Boss Cover Plug Screw Retainer • Counter-Flange Clevis Pin Clip Front Cover •...
- Page 20 ACCEPTABLE NOT ACCEPTABLE Figure 18 AIR TO OPEN FLOW TENDING TO CLOSE CLOSE ON AIR FAILURE DIRECTION OF FLOW AIR TO CLOSE FLOW TENDING TO OPEN OPEN ON AIR FAILURE DIRECTION OF FLOW The body is shown behind the actuator. Figure 19 PACKING FLANGE REVERSED...
- Page 21 Flanged Bodies Long Stud (T) (64) Long Stud (T) (64) Long Stud (T) (64) Nuts Nuts Nuts Short Stud (G) (67) Short Stud (G) (67) Short Stud (G) (67) Valve Rating Length Length Length Qty. Dia. Qty. Qty. Dia. Qty. Qty.
- Page 22 Flangeless Bodies Long Stud (T) (64) Long Stud (T) (64) Long Stud (T) (64) Short Bolt (G) (67) Nuts Short Bolt (G) (67) Nuts Short Bolt (G) (67) Nuts Cap Screws (V) (68) Cap Screws (V) (68) Cap Screws (V) (68) Valve Rating Length Length...
- Page 23 Notes Instructions EF35002 - 08/10 Camflex II 35002 Series Control Valves ®...
- Page 24 Fax: +91-11-5-1659635 About Dresser Masoneilan About Dresser, Inc. Dresser Inc. is a global leader in providing highly- Dresser Masoneilan, headquartered in Houston, Texas, has been the leading global partner in process control valves engineered infrastructure products for the global energy industry.
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