10 Mark One with MegaStream bolt torque values ....... 7 trim body assembly ......16 3 Common packing lubricants ....7 11 Mark One with Stealth trim body assembly ......... 16 4 Troubleshooting chart ....... 17 VAIOM000103-02 (EN/AQ) March 2020 Flowserve.com 2...
The following instructions are applicable to the maintenance Mark 100 and Mark 100SC control valves. Product users and and installation of Valtek Mark 100 and Mark 100SC globe maintenance personnel should thoroughly review this bulletin and angle body design control valves. These instructions...
WARNING: indicates that death, severe personal injury and/or substantial property damage can occur if proper precautions are not taken. CAUTION: indicates that minor personal injury and/or property damage can occur if proper precautions are not taken. VAIOM000103-02 (EN/AQ) March 2020 Flowserve.com 4...
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Failure to do so can cause serious injury to personnel, damage to the valve or nearby equipment. 3. Contact your shipper immediately if there is shipping damage. 4. Should any problem arise, call your Flowserve representative. VAIOM000103-02 (EN/AQ) March 2020 Flowserve.com 5...
5. If welding the valve into the line, use extreme care to avoid maintaining the style of packing supplied. excess heat buildup in the valve. a CAUTION: Do not overtighten packing. This can cause excessive packing wear and high stem friction that may impede plug movement. VAIOM000103-02 (EN/AQ) March 2020 Flowserve.com 6...
(-100°F to 300°F) Garlock Luball Garlock Inc. 0°C to 260°C General purpose molybdenum disulfide lubricant economical; good (32°F to 500°F) in water, steam and common chemicals; not good in harsh mediums where Krytox 206 is recommended VAIOM000103-02 (EN/AQ) March 2020 Flowserve.com 7...
7. If possible, stroke the valve and check for smooth, full- stroke operation. Unsteady stem movement could indicate an internal valve problem. NOTE: Due to excessive friction, graphite packing can cause the plug stem to move in a slip/stick fashion. VAIOM000103-02 (EN/AQ) March 2020 Flowserve.com 8...
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Upper Guide* Packing* (31) Pressure-Balanced Sleeve Anti-Extrusion Spacer* Body Bolting 108, 114 Packing Spacers 94 to 99 * Recommended spare parts (30) Cage (20) Seat Ring (55) Seat Gasket (1) Body Figure 1: Exploded drawing VAIOM000103-02 (EN/AQ) March 2020 Flowserve.com 9...
Inspect the pressure-balanced sleeve for scratches, wear or other damage. VAIOM000103-02 (EN/AQ) March 2020 Flowserve.com 10...
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To reassemble the valve body, refer to Figures 1 and 2, then proceed as follows: Install new bonnet and seat gaskets with the beveled edge up on fluoropolymer gaskets. NOTE: All gaskets should be replaced whenever the valve is disassembled. VAIOM000103-02 (EN/AQ) March 2020 Flowserve.com 11...
Metal Multi-Seal priate packing installation manual and reinstalling new 7 Asse packing exactly as shown. For unusual packing config- urations, please contact Flowserve for packing stack-up configurations. Make sure at least ⁄ in is left at the top of packing box for the top guide to enter. Different spacer lengths permit a wide variety of packing configurations, such as twin seal and vacuum-pressure packing.
Failure to do so could cause serious Figure 6. Use a minimum of four steps to reach the valve damage. Contact your Flowserve representative suggested bolt torque values shown in Table 2. Stroke if binding cannot be resolved.
CavControl trim retainers in pressure classes 900 and higher cannot be 8.1 CavControl body assembly disassembled in the field. Contact your local Flowserve representative for service options. 8.1.1 CavControl replaces the standa Carefully grind away the small bead welds located on the a drilled, stepped-hole retainer, assembly pins near the top of the retainer.
Place the bottom disc on and replace the bolts/studs. Bolts must be torqued; torque values are disassembled. Plugs and retaine available from your local Flowserve contact. Figure 7: Mark One with ChannelStream Trim Body Assembly examined for damage. Repair an 7.3 DiamondBack...
8.3.1 DiamondBack replaces a stacked-disk retainer Figure 10: Mark One with Stealth Trim Body Assembly pinned, see Figure 8. S seat ring and bonnet m the standard Mark One VAIOM000103-02 (EN/AQ) March 2020 Flowserve.com 16 of the valve follows the...
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3. Trim sized too large for flow rate. 3. Install reduced trim. Valve does not 1. Incorrect flow direction. 1. Reconfirm direction and, if necessary, correct flow direction fail in correct through valve. position VAIOM000103-02 (EN/AQ) March 2020 Flowserve.com 17...
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Suite 2300 maintenance of Flowserve products. The purchaser/user should read and understand the Installation Instructions included with the product, and train its employees and contractors in the safe use of Flowserve products in Irving, Texas 75039-5421 USA connection with the specific application.
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