Summary of Contents for DHV RISING STEM
- Page 1 INSTALLATION, OPERATION AND MAINTENANCE MANUAL RISING STEM BALL VALVE Page 1 of 28 Installation, Operation and Maintenance Manual Rising Stem Ball Valve Document #: DHV-IOM-RSBV-19 Published: October 2019 Revision:...
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Page 2: Table Of Contents
8. WARRANTY AND SERVICE ......................26 8.1 VALVE WARRANTY PERIOD ......................26 8.2 SERVICE ............................26 APPENDIX I – INSTALLATION REQUIREMENTS .................. 27 Page 2 of 28 Installation, Operation and Maintenance Manual Rising Stem Ball Valve Document #: DHV-IOM-RSBV-19 Published: October 2019 Revision:... -
Page 3: Typical Configuration
TYPICAL CONFIGURATION VALVE DETAILS – RISING STEM BALL VALVE – SOFT SEAT Page 3 of 28 Installation, Operation and Maintenance Manual Rising Stem Ball Valve Document #: DHV-IOM-RSBV-19 Published: October 2019 Revision:... - Page 4 VALVE DETAILS – RISING STEM BALL VALVE – METAL SEAT Page 4 of 28 Installation, Operation and Maintenance Manual Rising Stem Ball Valve Document #: DHV-IOM-RSBV-19 Published: October 2019 Revision:...
- Page 5 VALVE DETAILS – RISING STEM BALL VALVE – METAL SEAT – PISTON ACTUATOR Page 5 of 28 Installation, Operation and Maintenance Manual Rising Stem Ball Valve Document #: DHV-IOM-RSBV-19 Published: October 2019 Revision:...
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Page 6: Foreword
FOREWORD Personal safety and Long Term Ownership of your DHV Rising Stem Ball Valve is the most important matter in reviewing our Installation, Operation & Maintenance Manual. This manual will provide all the necessary safety guidelines for our valve including information for the valve transportation, storage, installation, operation and maintenance. -
Page 7: Valve Transportation And Storage
Inspect the sealing surface to ensure it is clean and free of any debris or damage. 5. Do not expose the valve to any corrosive environment as this may cause damage to the valve components. Page 7 of 28 Installation, Operation and Maintenance Manual Rising Stem Ball Valve Document #: DHV-IOM-RSBV-19 Published: October 2019 Revision:... -
Page 8: Valve Installation
Valve ends should have a protective cover to protect the valve port from any foreign particles and dust which will damage the ball and seat sealing surfaces. RISING STEM BALL VALVE ASME B16.34 API 607 NACE MR0175/ISO15156 LOW EMISSION... -
Page 9: Installation
The recommended orientation for rising stem ball valves is upright with the valve in a horizontal line. The valve may be installed in other orientations; however, any deviation from recommended horizontal position may compromise proper valve operation and void the warranty. - Page 10 Check the valve position indicator has indicated correct valve position, check the valve control system is correctly installed and calibrated. Page 10 of 28 Installation, Operation and Maintenance Manual Rising Stem Ball Valve Document #: DHV-IOM-RSBV-19 Published: October 2019 Revision:...
- Page 11 DURING INSTALLATION, IF VALVE IS NOT IN LINE WITH THE PIPELINE, FLANGE FACES ARE NOT PARALLEL TO EACH OTHER, OR BOLTING TORQUEIS NOT UNIFORM, VALVE LEAKAGE MAY BE EXPERIENCED. Page 11 of 28 Installation, Operation and Maintenance Manual Rising Stem Ball Valve Document #: DHV-IOM-RSBV-19 Published: October 2019 Revision:...
- Page 12 3717 11229 2-1/2-8UN 11764 15400 4385 5133 15507 2-3/4-8UN 15742 18747 5867 6869 18747 3-8UN 20528 24447 7651 8958 24447 Page 12 of 28 Installation, Operation and Maintenance Manual Rising Stem Ball Valve Document #: DHV-IOM-RSBV-19 Published: October 2019 Revision:...
- Page 13 B8MLCuN B8M(I) 1134 1484 1495 1964 2572 1232 2589 3125 4091 1165 1960 1364 4119 Figure 2 Bolt Tightening Sequence Page 13 of 28 Installation, Operation and Maintenance Manual Rising Stem Ball Valve Document #: DHV-IOM-RSBV-19 Published: October 2019 Revision:...
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Page 14: Valve Operation
4.3 Install the pneumatic actuated valve, according to the instrument air/gas pressure rating listed on Page 14 of 28 Installation, Operation and Maintenance Manual Rising Stem Ball Valve Document #: DHV-IOM-RSBV-19 Published: October 2019 Revision:... - Page 15 4.8 Do not open the drain valve at the bottom of the valve body unless it is to check the seat leakage, when the valve drain is open, make sure the valve body is not under any pressure. 4.9 Rising stem ball valve operation are as follows: 4.10 Opening process: 1.
- Page 16 Page 16 of 28 Installation, Operation and Maintenance Manual Rising Stem Ball Valve Document #: DHV-IOM-RSBV-19 Published: October 2019 Revision:...
- Page 17 The hand wheel locking hole should in line the locking hole on the bracket, put the lock through the hand wheel, the valve is back to automatic control operation. Page 17 of 28 Installation, Operation and Maintenance Manual Rising Stem Ball Valve Document #: DHV-IOM-RSBV-19 Published: October 2019 Revision:...
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Page 18: Valve Maintenance
ASME B16.34, the valve should be replaced immediately. 5.2 Lubrication 5.2.1 Rising stem ball valve lubrication is not for valve sealing purposes, it is to reduce the friction and wear between the moving parts. 5.2.2 Lubrication schedule and selection Valve lubrication shall be based on end user’s experience;... - Page 19 5.2.4 Lubrication points are showing on the following pictures: 5.2.5 All DHV Rising stem ball valve lubrication joints are equipped with a zerk fitting, this fitting is at top of the stem and bearing, do not remove under pressure. Pump the grease gun 2 to 10 times to provide sufficient lubrication.
- Page 20 5.3 Valve stem packing adjustment 5.3.1 All Rising stem ball valve soft seat (not including metal seat design), has the injectable type of packing design, this can effectively stop the stem packing leakage. 5.3.2 After injecting the packing material to the packing...
- Page 21 OCCUR UNTIL THE VALVE BODY PRESSURE IS COMPLETELY RELEASED. NO REPAIR WORK WILL BE DONE WHILETHE VALVE IS UNDER PRESSURE. Page 21 of 28 Installation, Operation and Maintenance Manual Rising Stem Ball Valve Document #: DHV-IOM-RSBV-19 Published: October 2019 Revision:...
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Page 22: Detailed Disassembly And Assembly
6.1.1 Keep the valve in open condition. 6.1.2 For hand wheel operated Rising stem ball valve, remove the hand wheel and all the parts above, then remove the stem nut and gland flange, for pneumatic operated Rising stem ball valve, remove all bolts/nuts between mounting flanges, use overhead crane to remove the pneumatic actuator by rotating clockwise to separate from the valve. - Page 23 Tighten the eyebolt nuts according to Table 2 recommended torque value. Page 23 of 28 Installation, Operation and Maintenance Manual Rising Stem Ball Valve Document #: DHV-IOM-RSBV-19 Published: October 2019 Revision:...
- Page 24 Table 2 Eyebolt nut tightening torque 1500 Eyebolt Eyebolt Eyebolt Eyebolt Eyebolt Size Torque Torque Torque Torque Torque type type type type type Page 24 of 28 Installation, Operation and Maintenance Manual Rising Stem Ball Valve Document #: DHV-IOM-RSBV-19 Published: October 2019 Revision:...
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Page 25: Troubleshooting
2. Eyebolt nut loosen 2. Re-tighten the eyebolt nut correctly. 3. Stem packing expire 3. Replace with new stem packing Page 25 of 28 Installation, Operation and Maintenance Manual Rising Stem Ball Valve Document #: DHV-IOM-RSBV-19 Published: October 2019 Revision:... -
Page 26: Warranty And Service
8.1.2 In the event the end user encounters an issue of quality, please notify DHV immediately. DHV reserve the right to investigate and settle all issues of quality concerns directly with the end user. Refer to DHV’s standard warranty policies for questions or concerns regarding warranty concerns. -
Page 27: Appendix I - Installation Requirements
APPENDIX I – INSTALLATION REQUIREMENTS Installation Requirements for DHV brand Rising Stem Ball Valves Assembly Includes all non DHV branded hand levers, gearboxes, or actuators. Gearboxes, actuators and necessary adapters must conform to the valve’s ISO pad top work design. - Page 28 E-mail:sales@dhvvalve.com Website: www.dhvvalve.com DHV is committed to providing you with the necessary information to support our products. Our global network of authorized service centers, technical support personnel and warranty support personnel are ready to serve your needs for support on applications, products, service and warranty. Contact our USA Bakersfield headquarters for immediate assistance to your support needs.
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