Related Manuals for Flowserve MaxFlo 4 NR
Summary of Contents for Flowserve MaxFlo 4 NR
- Page 1 USER INSTRUCTIONS MaxFlo 4 NR Installation Diaphragm Rotary Actuator Operation FCD VLENIM0065-01 A4 03/17 Maintenance Experience in Motion...
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Page 2: Table Of Contents
Such data can be found on the actuator’s serial plate or specification documents; additionally, dimensional information can be found in the MaxFlo 4 NR technical bulletin. Procure needed documents as necessary before you begin any work on the valve. -
Page 3: Scope Of Manual
MaxFlo 4 NR data sheets, dimensional drawings, bills of ma- terial, and spare parts lists. Other information located on the The MaxFlo 4 NR handles a wide variety of general service serial plate is self-explanatory for the MaxFlo 4 NR actuator. -
Page 4: Storage
NOTICE engineering standards. resinous, see also ISO 2230. Upon arrival on site, store the MaxFlo 4 NR actuator on a 5 Safety solid base in a cool, dry closed room. Until its installation, the actuator must be protected from the weather, dirt and other potentially harmful influences. -
Page 5: Installation
• Contact your shipper immediately to report any damage. • Call your Flowserve representative if you experience any problems. Figure 3: Double-leg sling • Do not remove the protective covers from the air supply connection of the actuator or from the instru- 4. - Page 6 MaxFlo 4 Diaphragm Rotary Actuator FCD VLENIM0065-01 A4 03/17 Check Possible malfunction or safety related incident Confirm that the valve shaft and actuator lever match- Rotational connection between actuator lever and valve shaft according to ANSI B92.1-1996 internal involute spline Actuator Size Number of Teeth Pitch...
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Page 7: Assembly On Valve
When performing repairs, personnel are to follow these instructions using only original equipment manufacturer (OEM) spare parts and recommended special tools to ensure the reliability of the MaxFlo 4 NR diaphragm rotary actuator. The MaxFlo 4 NR diaphragm rotary actuator is allowed to be assembled and reassembled... - Page 8 MaxFlo 4 Diaphragm Rotary Actuator FCD VLENIM0065-01 A4 03/17 11. Lower the two piece clamp (205) onto the lever. The gaps of the lever and two piece NOTICE clamp must be congruently ! 12. Tighten the socket screws (205.2). 13. Adjust the CLOSE limit stop. Set a gap of a half-turn by NR-1S and a third-turn by NR-2S / NR-3S.
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Page 9: Actuator Quick-Check
Incorrect maintenance can result in the emission Incorrect maintenance can put you at risk for heat of hot, cryogenic, and / or toxic operating media. related burns, freezing, acid burns or poisoning. Table 5: Basic safety massages for operating the valve flowserve.com... -
Page 10: Actuator Maintenance
MaxFlo 4 Diaphragm Rotary Actuator FCD VLENIM0065-01 A4 03/17 Due to risk of crushing hazard, do 3. Check the packing box bolting to ensure the correct WARNING adjustment. not work between the yoke legs Over tightening can cause excessive while the valve is in operation. NOTICE packing wear and high stem friction Prior to start-up, we strongly recommend that you:... -
Page 11: Troubleshooting
Check air pressure (usually 88 psig; 6 bar) solenoid valve, limit switch, and/ or special accessories) • Mounted accessories do not work • See User Instructions for accessory manufacturer • Pneumatic actuator is defective • Contact customer service department or contract partner flowserve.com... -
Page 12: Disassembly And Reassembly
The MaxFlo 4 control valve is allowed to be disassembled and reassembled only by qual- Only Flowserve trained and authorized personnel are allowed ified staff - personnel who are familiar with to repair (disassemble and reassemble) the MaxFlo 4 in hazard areas. - Page 13 5. Lift off the actuator and the two piece clamp. Item Part Item Part 6. Disconnect the air supply and place the actuator Hex Bolt Two Piece Clamp assembly on a table for disassembly. Flat Washer Table 9: Coupling parts identification flowserve.com...
- Page 14 MaxFlo 4 Diaphragm Rotary Actuator FCD VLENIM0065-01 A4 03/17 Disassembly instructions of the actuator assembly. 1. Pull off the pipes (333). (See Figure 10: Disassemble / Reassemble the actuator). 2. Hold against turning the ring nut (209) and turn the hex nuts (335) clockwise to loosen.
- Page 15 (See Figure 11: Assemble the actuator) Figure 11: Remove the actuator 6. Set the floating seat. (See Page 8: Seat self-centering procedure) Item Part Item Part Hex Bolt Two Piece Clamp Flat Washer Table 11: Coupling parts identification flowserve.com...
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Page 16: Torque Requirements
MaxFlo 4 Diaphragm Rotary Actuator FCD VLENIM0065-01 A4 03/17 15 Torque Requirements Torque Requirements for CASING BOLTING (334 + 351, 335 + 351 and 209) per actuator size Unit NR-1S NR-2S NR-3S ft lb 3.69 Torque Requirements for COVER PLATE BOLTING (337) per actuator size Unit NR-1S NR-2S... -
Page 17: Disposal
MaxFlo 4 Diaphragm Rotary Actuator FCD VLENIM0065-01 A4 03/17 17 Disposal Up to 95 % of the MaxFlo 4 NR rotary actuator is metal. The The valve should be professionally disassembled and reas- remaining materials are synthetic, rubber, polytetrafluoroeth- sembled. Metal parts should be scrapped, with the remaining ylene (PTFE), polycarbonate (PC), acryle, paint and lubricants. -
Page 18: Parts List
MaxFlo 4 Diaphragm Rotary Actuator FCD VLENIM0065-01 A4 03/17 18 Parts List M = Diaphragm Kit E = Gasket Kit Spare Item # Part Mat. Parts Rectangular Plug Rubber Hex Head Bolt Rubber Plug Rubber Flat Washer Yoke, painted Optional manual handwheel Lower Diaphragm Case, painted 397.1 Handwheel... - Page 19 MaxFlo 4 Diaphragm Rotary Actuator FCD VLENIM0065-01 A4 03/17 Figure 12: Complete actuator parts flowserve.com...
- Page 20 Flowserve Corporation has established industry leadership in the design and manufacture of its products. When properly selected, this Flowserve product is designed to perform its intended function safely during its useful life. However, the purchaser or user of Flowserve products should be aware that Flowserve products might be used in numerous...
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