Table of Contents
Troubleshooting
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Summary of Contents for OSNA GH
- Page 1 Original Operating Manual GH/GV High-Pressure Centrifugal Pump OSNA-Pumpen GmbH Brückenstrasse 3 49090 Osnabrück, Germany Phone: +49 541 1211 - 0 Fax: +49 541 1211 - 220 Internet: http://www.osna.de E-mail: info@osna.de Ver.17-01...
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Page 3: Table Of Contents
Hazardous pumping media ....................10 2.6.3 Noise emissions......................10 LAYOUT AND FUNCTION ......................12 Labeling..........................12 Scope of delivery for a type-GH/GV high-pressure centrifugal pump........12 General information ......................12 Technical data ........................13 Operating point ........................13 Minimum output rates ......................13 Functional and operating elements ..................14 TRANSPORT AND INTERMEDIATE STORAGE ............... - Page 4 FAULTS AND TROUBLESHOOTING..................35 APPENDIX ..........................38 Spare parts list for constant operation over two years as per DIN 24296 ......38 Cross-sections........................39 Declaration of Conformity as per EC Directive 2006/42/EC, Annex IIA .......45 Clearance Certificate ......................46 GH/GV High-Pressure Centrifugal Pump...
- Page 5 Table 11: Measures depending on the behavior of the pumping medium...........27 Table 12: Measures following longer shut down times ...............28 Table 13: Stuffing box in the GH......................33 Table 14: Stuffing box in the GV......................33 Table 15: Measures for return ......................34 Table 16: Fault/number allocation .....................35...
- Page 6 List of Images Figure 1: Model code ........................12 Figure 2: Scope of delivery for a GH pump with free shaft ..............12 Figure 3: Scope of delivery for a GH pump as a complete unit............12 Figure 4: Gland packing ........................14 Figure 5: Mechanical seal .........................14 Figure 6: Lifting a GH centrifugal pump (unit) ..................16...
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Page 7: General
Spare parts list Ordering spare parts personnel used. Clearance certificate Returning the pump Declaration of Conformity with standards, conformity content of the declaration of conformity Other valid documents and Table 2: their purposes GH/GV High-Pressure Centrifugal Pump... -
Page 8: Warning Notices And Symbols
Minor physical Any violation is punishable and subject to dangerous injury situation compensation. CAUTION OSNA GmbH reserves the right to change the Potentially Material dam- contents of this documentation without notice. NOTICE dangerous situation Table 3: Warning notices and consequences... -
Page 9: Safety
(→ Manufacturer information). Any use that goes beyond the purposes described above shall be considered im- proper use. OSNA shall bear no liability for any resulting damages. The owner bears Any other use must be agreed with the •... -
Page 10: General Safety Instructions
Only work on the system when the • dent prevention, as well as the rele- pump is at a standstill. vant standards and specifications of the respective country. Do not remove any technical stickers. • GH/GV High-Pressure Centrifugal Pump... -
Page 11: Duties Of Personnel
Provide the following safety mecha- • nisms and ensure that they function correctly: for moving components: contact protection for the pump, installed by the customer for potential electrostatic charges: provide appropriate earthing GH/GV High-Pressure Centrifugal Pump... -
Page 12: Dangers Of Non-Observance Of The Safety Instructions
The operational safety of the machine is only guaranteed when it is used for the intended purpose according to the operating manual (→ 2.1 Correct and proper use, pg 7). Never exceed the limit values indicated in the technical data (→ Data sheet). GH/GV High-Pressure Centrifugal Pump... -
Page 13: Table 5: Sound Pressure Level
15.0 18.5 22.0 30.0 37.0 45.0 55.0 75.0 90.0 110.0 132.0 Greater power upon request Table 5: Sound pressure level Low-noise motors can be provided if the ex- pected noise values exceed the permitted lim- its. GH/GV High-Pressure Centrifugal Pump... -
Page 14: Layout And Function
3.1 Labeling This operating manual applies to the GH/GV type series. Model code: Figure 2: Scope of delivery for a GH pump with free shaft Figure 1: Model code 3.2 Scope of delivery for a type- Figure 3: Scope of delivery for a GH pump... -
Page 15: Technical Data
Table 6: Minimum output rates with closed Continuous sound shut-off valve pressure level: 70 dBA Flange: Suction nozzle: From DN 50 to DN 200, PN 40 Discharge nozzle: From DN 32 to DN 150, PN 40 BS and ANSI flanges possible GH/GV High-Pressure Centrifugal Pump... -
Page 16: Functional And Operating Elements
For this reason, avoid dry running. Ensure that the pump is vented before com- missioning. Figure 4: Gland packing Mechanical seals are mechanical shaft seals with internal flushing of the rotating seal rings (self-adjusting). Casings: Max. operating temperature and pressure: GH/GV High-Pressure Centrifugal Pump... -
Page 17: Table 8: Maximum Authorized Operating Temperature And Pressure On The Casing
Stainless steel Cast steel GH 50-4 Gray cast iron GH 65-4 Cast iron with spheroidal graphite GH 80 / 100 / 125 / 150 Bronze Stainless steel Cast steel GV 32 / 40 / 50 / 65 Gray cast iron... -
Page 18: Transport And Intermediate Storage
Figure 6 (pg 16) (do not secure the ropes on the motor eyelets). Transport vertical pumps as shown in Figure 8 (pg 17). Figure 7: Lifting a GH centrifugal pump (free shaft end) GH/GV High-Pressure Centrifugal Pump... -
Page 19: Intermediate Storage
1. Choose the cleaning agent according Material damage due to incorrect storage! to the area of use. ► Ensure that the pump is correctly stored. 2. Dispose of preservatives in line with the applicable local regulations. GH/GV High-Pressure Centrifugal Pump... -
Page 20: Disposal
Neutralize any pumping medium – residues in the pump. ► Dispose of the pump in line with the appli- cable local regulations. GH/GV High-Pressure Centrifugal Pump... -
Page 21: Assembly And Installation
► Ensure that the installation location meets with the local regulations. the following conditions: pump is freely accessible from all – sides sufficient space for installing/removing – piping, as well as for maintenance and GH/GV High-Pressure Centrifugal Pump... -
Page 22: Assembling The Motor
Please pump base and the foundation. Ensure that all observe the direction of rotation arrow on bearing plates sit solidly. the pump. GH/GV High-Pressure Centrifugal Pump... -
Page 23: Fine Alignment Of The Coupling
Never operate the pump without the cou- pump and motor. pling guard. a) Position A ruler placed on the coupling must lie flat on both halves, offset by 90°, around the circumference (à Figure 11, pg 21). GH/GV High-Pressure Centrifugal Pump... -
Page 24: Electrical Connection
Longer switching times can lead to longer period of time. Ensure that they are damage to the pump. kept away from the pump by fitting a Adjusting the time relay with star-delta activa- strainer in the suction pipe. tion: GH/GV High-Pressure Centrifugal Pump... - Page 25 Inlet pipe should always be 1 bar above the pump oper- Check valve ating pressure. Control fitting * not included in delivery Sealing the shaft seal Sealing the shaft seal prevents air entry at high suction heads. GH/GV High-Pressure Centrifugal Pump...
- Page 26 Route auxiliary pipes according to their nomi- nal connection values, provided that they are not pressurized internally by the pump. The connections on the pump are indicated. All auxiliary pipes must have a control fitting and non-return valve. GH/GV High-Pressure Centrifugal Pump...
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Page 27: Commissioning / Decommissioning
Before checking the direction of rotation, se- cure the pump against activation. Risk of poisoning or injury due to hazard- ous pumping media! ► Collect any escaping pumping medium safely and dispose of in an environmentally friendly way. GH/GV High-Pressure Centrifugal Pump... -
Page 28: Starting The Pump
► Use personal protective equipment when performing work on the pump. 6.1.4 Starting the pump Pump correctly installed and connect- Motor correctly installed and connect- All connections established, sealed and free of tension GH/GV High-Pressure Centrifugal Pump... -
Page 29: Decommissioning
Risk of injury from hazardous pumping a longer period (approx. 2 - 3 months), or if media! there is a danger of frost. ► Collect any escaping pumping medium safely and dispose of in an environmentally friendly way. GH/GV High-Pressure Centrifugal Pump... -
Page 30: Draining The Pump And Protecting Against Frost
The pump must be drained if there is a danger of frost. A pump that remains empty over a longer period must be preserved. 6.3 Recommissioning CAUTION The pump must move easily for recommis- sioning. GH/GV High-Pressure Centrifugal Pump... -
Page 31: Shaft Seal
Material damage due to dry running! ► Ensure that the pump is properly filled. 6.4.2 Gland packing Gland packing consists of a number of com- pression-moulded rings in a stuffing box. Gland packings can be adjusted by hand with tools. GH/GV High-Pressure Centrifugal Pump... -
Page 32: Maintenance And Repair
DANGER Risk of poisoning or injury due to hazard- ous pumping media! ► Use personal protective equipment when Only perform the inspection when the sys- performing work on the pump. tem is switched off and secured. GH/GV High-Pressure Centrifugal Pump... -
Page 33: Servicing The Electric Motors
Replace the elastic elements of the coupling promptly should you notice signs of wear over time. The bearings have a high-quality lithium-soap grease. Under normal operating conditions, this is sufficient for 15,000 operating hours or 2 years. If operating under unfavorable condi- GH/GV High-Pressure Centrifugal Pump... -
Page 34: Gland Packing Maintenance
WARNING Excessive tightening places too much ten- sion on the packing rings. This leads to wear and ultimately loss of tightness in the stuffing box. Figure 14: Stuffing box on the GH/GV GH/GV High-Pressure Centrifugal Pump... -
Page 35: Table 13: Stuffing Box In The Gh
10 x 10 x 820 GH 125-4 10 x 10 x 1200 GH 150-4 10 x 10 x 1200 Table 13: Stuffing box in the GH Pump size Gland packing Dimensions in the stuffing box W x W x Length Number of Av. -
Page 36: Sending The Pump To The Manufacturer
Send complete pump ► (not disassembled) to manu- facturer. At manufacturer, ► Only if using hazard- with guarantee ous pumping medium: flush claim pump. Send complete pump ► (not disassembled) to manu- facturer. Table 15: Measures for return GH/GV High-Pressure Centrifugal Pump... -
Page 37: Faults And Troubleshooting
► Correct pipeline routing. Air sucked in ► Seal source of fault. Gas component too high: pump ► Consult manufacturer. cavitated Temperature of pumping medium ► Increase inlet pressure. too high: pump cavitated ► Reduce temperature. ► Consult manufacturer. GH/GV High-Pressure Centrifugal Pump... - Page 38 ► Install pump with lower number of stages. Impeller imbalanced or blocked ► Disassemble pump and check for dry running damage. ► Clean impeller. Hydraulic pump components dirty, ► Disassemble pump. sticky or encrusted ► Clean components. GH/GV High-Pressure Centrifugal Pump...
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Page 39: Table 17: Troubleshooting Table
► Check coupling alignment. ► Check support foot fastening. Coupling incorrectly aligned ► Align coupling. Motor runs on 2 phases ► Check fuse and replace if necessary. ► Check wire connections and insula- tion. Table 17: Troubleshooting table GH/GV High-Pressure Centrifugal Pump... -
Page 40: Appendix
Radial grooved ball bearing (set) Foil bearing Round seal (set) 150 % Mechanical seal (set) 90 % Gland packing (set) 150 % Correction ring Shaft wearing sleeve Interstage sleeve Table 18: Spare parts for constant operation over two years GH/GV High-Pressure Centrifugal Pump... -
Page 41: Cross-Sections
9 Appendix 9.2 Cross-sections Figure 15: Cross-section of GH with mechanical seal GH/GV High-Pressure Centrifugal Pump... - Page 42 9 Appendix Figure 16: Cross-section of GH with gland packing GH/GV High-Pressure Centrifugal Pump...
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Page 43: Table 19: Gh Parts List
Mechanical seal 904/2 Grub screw Stuffing box housing Tie bolt Gland 920/1 Hexagon nut Lantern neck bush 920/2 Hexagon nut Gland packing 920/3 Hexagon nut Casing cover Circlip 940/1 940/2 940/3 Table 19: GH parts list GH/GV High-Pressure Centrifugal Pump... - Page 44 9 Appendix Figure 17: Cross-section of GV with mechanical seal GH/GV High-Pressure Centrifugal Pump...
- Page 45 9 Appendix Figure 18: Cross-section of GV with gland packing GH/GV High-Pressure Centrifugal Pump...
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Page 46: Table 20: Gv Parts List
940/1 Mechanical seal 940/2 Casing cover 940/3 940/4 Multiple ring Casing wear ring 504/1 Correction ring 504/2 Spacer ring Retaining ring Interstage sleeve 524/1 Shaft wearing sleeve 524/2 Shaft wearing sleeve Table 20: GV parts list GH/GV High-Pressure Centrifugal Pump... -
Page 47: Declaration Of Conformity As Per Ec Directive 2006/42/Ec, Annex Iia
DIN EN 60034 : 2007 • DIN EN 60204-1 : 2009 • DIN EN 55024 : 2011 • Authorized representative for the composition of technical documentation for OSNA-Pumpen GmbH: Mr. Rik Arensmann Brückenstrasse 3 49090 Osnabrück, Germany Osnabrück, 12.01.2017 _______________________________ Rik Arensmann... -
Page 48: Clearance Certificate
No special safety measures are required for further handling. The device was fully drained and thoroughly cleaned inside and outside before dispatch. Company/institute: ______________________________________________________________ Address: ______________________________________________________________ Town/city, ZIP code: ______________________________________________________________ Phone: ______________________________________________________________ Name: ______________________________________________________________ Position: ______________________________________________________________ Date: ______________________________________________________________ Signature, company stamp: ________________________________________________________ GH/GV High-Pressure Centrifugal Pump... - Page 49 _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ _________________________________________________________________________________ GH/GV High-Pressure Centrifugal Pump...
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- Page 52 +49 541 1211 – 0 - Planning - Maintenance Fax: +49 541 1211 – 220 - Project management - Repair Internet: http://www.osna.de - Assembly E-mail: info@osna.de OSNA customer service Tel.: +49 541 1211 – 254 Emergency service Tel.: +49 171 4151 – 674...
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