Related Manuals for Flowserve Valtek MaxFlo 3
Summary of Contents for Flowserve Valtek MaxFlo 3
- Page 1 USER INSTRUCTIONS User instructions - MaxFlo 3 - VLENIM0052-02 02.07 ® Installation Valtek MaxFlo 3 Operation Control Valves Maintenance...
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Page 2: Table Of Contents
12 MOUNTING ORIENTATION – AIR-TO-CLOSE - diaphragm actuator Protective clothing 13 MOUNTING ORIENTATION– AIR-TO-OPEN - cylinder actuator Flowserve products are often used in problematic appli- cations (e.g. under extremely high pressures with dan- 14 MOUNTING ORIENTATION – AIR-TO-CLOSE - cylinder actuator gerous, toxic or corrosive mediums). -
Page 3: Unpacking
® WARNING: Before products are returned to Flowserve Check the direction of fluid flow to ensure that the valve for repair or service, Flowserve must be provided with a is correctly installed. Flow direction is indicated by the STOP! certificate that confirms that the product has been decon- arrow attached to the body. -
Page 4: Quick-Check
User instructions - MaxFlo 3 - VLENIM0052-02 02.07 ® Table I: Line Flange Bolting Specifications Check packing box bolting for proper tightness. MaxFlo 3 flanged MaxFlo 3 flangeless Nominal Valve Size x Length Size x Length Pressure / CAUTION: Do not overtighten packing. This can cause size Rating Inches... - Page 5 User instructions - MaxFlo 3 - VLENIM0052-02 02.07 ® Item 7 Packing box nuts Item 09 Packing box studs Item 80 Gland flange Item 87 Packing follower Item 4 Bonnet nuts Item 08 Bonnet studs ...
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Page 6: Valve Disassembly
User instructions - MaxFlo 3 - VLENIM0052-02 02.07 ® VALVE DISASSEMBLY BODY REASSEMBLY NOTE: Lubricate all threads, bearings and the shaft WARNING: To carry out this operation, it is essential to shoulder with a boron nitride paste (Molydal NB1200) disconnect the valve from the pipework. Depressurize STOP! or a nickel anti-seize lubricant (Permatex 77164 or line to atmospheric pressure and drain all fluids before... - Page 7 User instructions - MaxFlo 3 - VLENIM0052-02 02.07 ® 7.0 Place the bonnet gasket (item 58) on the gasket step in- 7.3 Install the packing follower (item 87) and gland flange (item 80), then tighten the packing nuts to finger tight. side the body.
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Page 8: Seat Replacement
Remove the seat and add the appropriate number of Remove the seat and any shims that may be installed shims. (Flowserve recommends a sealant with a tem- under the seat. perature range of –70 to 00 °C, type Dow Corning RTV 736, or a sealant with a graphite base for higher tem- Check both seat and plug surfaces for wear and galling. - Page 9 User instructions - MaxFlo 3 - VLENIM0052-02 02.07 ® Recommended plug rotation. Maximum limit for plug rotation. The plug Recommended plug rotation Plug slightly under-rotated. should not be rotated further. exceeded. Setting should be avoided. Figure 5: positioning of plug Table III: Shim Selection Thickness of shims available Valve Size...
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Page 10: Actuator Remounting
(99). The diameter of the shaft shoulder exceeds the diam- To order the correct replacement parts, contact your eter of the bonnet bore. Even if the thrust bearing (item Flowserve representative with the serial numbers of the valves requiring the upgrade. 46) is not installed during reassembly, the shaft can- not pass through the bonnet. - Page 11 User instructions - MaxFlo 3 - VLENIM0052-02 02.07 ® 11. PIPELINE MOUNTING ORIENTATIONS – AIR-TO-OPEN CONFIGURATION - DIAPHRAGM ACTUATOR AIR-TO-OPEN, FAIL CLOSE CONFIGURATION SHAFT DOWNSTREAM SHAFT UPSTREAM AIR TO OPEN AIR TO OPEN LEFT LEFT RIGHT RIGHT RIGHT RIGHT LEFT LEFT AIR TO OPEN AIR TO OPEN...
- Page 12 User instructions - MaxFlo 3 - VLENIM0052-02 02.07 ® 12. PIPELINE MOUNTING ORIENTATIONS – AIR-TO-CLOSE CONFIGURATION - DIAPHRAGM ACTUATOR AIR-TO-CLOSE, FAIL OPEN CONFIGURATION SHAFT DOWNSTREAM SHAFT UPSTREAM AIR TO CLOSE AIR TO CLOSE LEFT LEFT RIGHT RIGHT RIGHT RIGHT LEFT LEFT AIR TO CLOSE AIR TO CLOSE...
- Page 13 User instructions - MaxFlo 3 - VLENIM0052-02 02.07 ® 13: PIPELINE MOUNTING ORIENTATIONS – AIR-TO-OPEN CONFIGURATION - CYLINDER ACTUATOR AIR-TO-OPEN, FAIL CLOSE CONFIGURATION SHAFT DOWNSTREAM SHAFT UPSTREAM AIR TO OPEN AIR TO OPEN LEFT LEFT RIGHT RIGHT BOTTOM BOTTOM RIGHT RIGHT LEFT LEFT...
- Page 14 User instructions - MaxFlo 3 - VLENIM0052-02 02.07 ® 14: PIPELINE MOUNTING ORIENTATIONS – AIR-TO-CLOSE CONFIGURATION - CYLINDER ACTUATOR AIR-TO-CLOSE, FAIL OPEN CONFIGURATION SHAFT DOWNSTREAM SHAFT UPSTREAM AIR TO CLOSE AIR TO CLOSE LEFT LEFT RIGHT RIGHT BOTTOM BOTTOM RIGHT RIGHT LEFT LEFT...
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Page 15: Pipe Mounting Orientation Codes
User instructions - MaxFlo 3 - VLENIM0052-02 02.07 ® 15 PIPE MOUNTING ORIENTATION CODES 3 - Air Action 4 - Pipe Configuration 5 - Actuator Orientation 6 - Shaft Direction Air-to-open - ATO Left Hand Mounting Left Shaft Upstream Air-to-close - ATC Right Hand Mounting Right Shaft Downstream... - Page 16 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 applications under a wide variety of industrial service conditions.