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Summary of Contents for Edwards CDP
- Page 1 A386-11-880 Issue E Original Instruction Manual CDP/QDP/iQDP accessories: Exhaust-Silencers Description Item Number CDP Exhaust-Silencer A386-11-000 QDP/iQDP Exhaust-Silencer A528-19-000...
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Page 3: Table Of Contents
Remove the old Exhaust-Silencer (if necessary) ..............6 Fit the new Exhaust-Silencer ..................9 3.5.1 Fit the new Exhaust-Silencer to a QDP, iQDP or CDP i, Ei or Si pump ........... 9 3.5.2 Fit the new Exhaust-Silencer to a CDP Ni pump ..............10 Leak-test the installation ....................14... - Page 4 QDP pump services ...................... 8 Correct mounting clamp orientation (CDP pump shown) ............10 Installation of the Exhaust-Silencer on CDP i, Ei and Si pumps ..........11 Installation of the Exhaust-Silencer on QDP and iQDP pumps ...........12 Installation of the Exhaust-Silencer on CDP Ni ..............13...
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Page 5: Introduction
Description Two models of Exhaust-Silencer are available, one model for use with the Edwards CDP range of pumps and one model for use with the Edwards QDP and iQDP ranges of pumps. The two models are identical, except that the Exhaust- Silencer for the CDP pumps has mounting hooks (Figure 1, item 14). - Page 6 11. ‘O’ ring 3. End-cover plate 12. End-cover plate 4. ‘O’ ring 13. Outlet flange 5. Silencer body 14. Mounting hook (CDP Exhaust 6. 2nd-stage expansion chamber Silencer only) 7. Transfer tube 15. Inlet flange 8. Baffle-plate 16. Outlet tube...
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Page 7: Technical Data
97% RH (non-condensing) Construction materials Silencer body Stainless steel, ISI grade 304L ‘O’ rings Fluoroelastomer Figure 2 - Dimensions (mm) (CDP Exhaust-Silencer shown) © Edwards Limited 2008. All rights reserved. Page 3 Edwards and the Edwards logo are trademarks of Edwards Limited. - Page 8 A386-11-880 Issue E Page 4 © Edwards Limited 2008. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.
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Page 9: Installation
System requirements WARNING Use bellows which have a suitable pressure rating. If the exhaust pipeline is blocked, the CDP, QDP and iQDP pumps can generate pressures of up to 7 bar in the pipeline. WARNING Ensure that the pressure in the exhaust pipeline does not exceed 6 psi. -
Page 10: Unpack And Inspect
1. Release the NW40 clamp which secures the inlet-flange of the Exhaust-Silencer to the CDP, QDP or iQDP pump outlet or the outlet of the long NW40 elbow connected to the outlet of the CDP, QDP or iQDP pump. Remove the clamp and the Co-Seal. - Page 11 1. CDP/QDP/iQDP/pump 2. Pipeline support 3. Flexible bellows 4. Exhaust check-valve 5. Bottom mounted Exhaust Silencer 6. Side mounted Exhaust Silencer (CDP Ni only) 7. CDP/QDP/iQDP pump 8. Flexible bellows (incorrectly installed) 9. Exhaust check-valve 10. Exhaust Silencer (incorrectly installed)
- Page 12 5. Water services panel 12. Shaft-seals purge supply 6. Water supply connector 13. 2/3-interstage purge supply 7. Exhaust support-plate retaining screw Page 8 © Edwards Limited 2008. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.
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Page 13: Fit The New Exhaust-Silencer
3.5.1 Fit the new Exhaust-Silencer to a QDP, iQDP or CDP i, Ei or Si pump Refer to Figures 6 and 7 to determine the correct installation configuration for your pump and fit the new Exhaust- Silencer as described below. -
Page 14: Fit The New Exhaust-Silencer To A Cdp Ni Pump
A386-11-880 Issue E Figure 5 - Correct mounting clamp orientation (CDP pump shown) 3.5.2 Fit the new Exhaust-Silencer to a CDP Ni pump The correct installation configuration for your pump is shown in Figure 8. Fit the new Exhaust-Silencer as described below. - Page 15 Figure 6 - Installation of the Exhaust-Silencer on CDP i, Ei and Si pumps 1. Exhaust check-valve 2. Exhaust-Silencer 3. Mounting clamp...
- Page 16 Figure 7 - Installation of the Exhaust-Silencer on QDP and iQDP pumps 1. Exhaust check-valve 2. Clamp 3. Exhaust-Silencer 4. Alternative outlet position 5. Mounting clamp...
- Page 17 Figure 8 - Installation of the Exhaust-Silencer on CDP Ni 1. Exhaust check-valve 2. Exhaust-Silencer 3. Mounting clamp...
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Page 18: Leak-Test The Installation
We recommend that the leak rate is 1 x 10 mbar.ls (1 x 10 Pa.ls ) helium or less. Page 14 © Edwards Limited 2008. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited. -
Page 19: Maintenance
Fluorinated materials are used in the Exhaust-Silencer and the CDP, QDP and iQDP pumps. Fluorinated materials are safe in normal use but can decompose into very dangerous substances (which may include hydrofluoric acid) if they are heated to 260 ºC and above. -
Page 20: Inspect And Clean The Exhaust-Silencer
10. Leak-test the silencer. 11. Refit the Exhaust-Silencer to the pump: For QDP, iQDP and CDP i, Ei and Si pumps, refer to Steps 6 to 9 of Section 3.5.1. For CDP Ni pumps, refer to Steps 3 and 4 of Section 3.5.2. -
Page 21: Storage And Disposal
Fluorinated materials which may have decomposed as the result of being subjected to high temperatures Components which have been contaminated with dangerous process substances. © Edwards Limited 2008. All rights reserved. Page 17 Edwards and the Edwards logo are trademarks of Edwards Limited. - Page 22 A386-11-880 Issue E Page 18 © Edwards Limited 2008. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.
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Page 23: Spares And Accessories
The majority of these centres employ Service Engineers who have undergone comprehensive Edwards training courses. Order spare parts and accessories from your nearest Edwards company or distributor. When you order, please state for each part required: Model and Item Number of your equipment ... - Page 24 A386-11-880 Issue E Page 20 © Edwards Limited 2008. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.
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