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- Page 1 GRUNDFOS INSTRUCTIONS Pulsation dampers and Manual vacuum pump kit Damper design D, DB, DBG, SD, CSD Installation and operating instructions Further languages http://net.grundfos.com/qr/i/99207465...
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Page 2: Table Of Contents
Original installation and operating instructions These installation and operating instructions describe the Read this document before installing the product. Grundfos pulsation dampers D, DB, DBG, SD, CSD and the Installation and operation must comply with local Grundfos manual vacuum pump kit. -
Page 3: Symbols Used In This Document
1.2 Symbols used in this document 2. Installing the product 2.1 Safety instructions WARNING Indicates a hazardous situation which, if not avoided, The product must only be installed by authorised and could result in death or serious personal injury. qualified persons. Read the manuals of all system components before starting any work on the system. -
Page 4: Installation Example Of Pulsation Dampers Csd And Dbg
Pulsation dampers D, DB and DBG must only be used as discharge-side pulsation dampers. • Install pulsation dampers D, DB and DBG in the outlet line as close as possible to the outlet valve of the dosing pump. • Install a drain valve to enable draining of the pulsation damper. -
Page 5: Installation Example Of Pulsation Damper D
2.5 Installation example of pulsation damper D 3.3 Commissioning pulsation dampers SD and CSD 3.3.1 Commissioning with flooded suction This commissioning procedure applies to installations where the level of the dosing medium in the tank is above the suction-side pulsation damper. -
Page 6: Commissioning Pulsation Dampers D
3.4 Commissioning pulsation dampers D This commissioning procedure applies to installations where the The pulsation damper D has no separating diaphragm and thus level of the dosing medium in the tank is below the suction-side cannot be preloaded. During startup of the empty dosing system, pulsation damper. - Page 7 3.5.2 Connecting the tyre-valve adapter for air filling (up to 8 1. Read section 3.1 Safety instructions. bar) 2. Make sure that the maximum operating pressure of the filling device matches your local requirements. See section The tyre-valve adapter can be used to preload the pulsation 11.4 Pressure gauge for pulsation dampers damper with air using a compressed-air device.
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Page 8: Handling And Storing The Product
Adjusting the preload pressure via the filling device 6. To decrease the preload pressure: 1. Connect the filling device. See section 3.5.3 Connecting the – Use the gas relief function of your compressed-air device to filling device. relieve gas until the correct preload pressure is displayed at the pressure gauge. -
Page 9: Product Introduction
5. Product introduction 5.2 Identification 5.2.1 Nameplate 5.1 Intended use Pulsation dampers D, DB and DBG are intended to dampen pressure pulsations in the discharge line of dosing systems with dosing pumps. Pulsation dampers SD and CSD are intended to dampen pressure pulsations in the suction line of dosing systems with dosing pumps. - Page 10 5.2.2 Type key for pulsation dampers D, DB, DBG 5.2.3 Type key for pulsation dampers SD, CSD The type key is designed for the precise identification of the The type key is designed for the precise identification of the product and not for configuration purposes. It can be found on the product and not for configuration purposes.
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Page 11: Product Description
5.3 Product description Suction-side pulsation dampers CSD Pulsation dampers CSD have a transparent PVC cylinder with a Pressure fluctuations in dosing systems can cause stress and fine volume scale. When combined with a shut-off valve in the damage to the equipment, especially with rigid pipe work. inlet line, they can also be used for calibration or flow Pulsation dampers are used to even out the pulsating flow and measurement. - Page 12 Air cushion Pos. Description Dosing medium Air or nitrogen cushion As a standard, pulsation dampers D have no pressure gauge. Separating diaphragm They can optionally be equipped with a pressure gauge assembly Dosing medium for easy reading of the pressure during operation.
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Page 13: Operating The Product
5. For flow measurement: – Slowly open aeration valve (4a) and close it again when the Observe that the air in pulsation dampers D is pulsation damper (4) is filled slightly above the "0 ml" dissolved by the dosing medium over time. Regularly graduation. -
Page 14: Maintaining The Product
"0 ml" graduation. 7.3 Refilling pulsation damper D with air – Stop the stopwatch when the falling liquid level in the To refill the pulsation damper D with air, the pulsation damper damper passes the lowest graduation. must be drained completely. -
Page 15: Checking And Adjusting The Preload Pressure Of Pulsation Dampers Db And Dbg
13. Fill in the safety declaration. See appendix of this document. Depressurise and clean the pulsation damper and 14. Send the safety declaration to Grundfos together with the send it back to Grundfos together with a filled-in product. safety declaration. See appendix of this document. -
Page 16: Fault Finding
Fault Cause Remedy 1. Pulsation damping effect a) For pulsation dampers D: The air cushion has been absorbed by Deaerate the pulsation damper. too small or diminishing. the dosing medium. b) For pulsation dampers DB and DBG: Preload pressure is too high Set the correct preload or too low. -
Page 17: Suction-Side Pulsation Dampers Csd
[ml] stroke volume [ml] 0.25 Fig. 21 Suction-side pulsation damper CSD, 5 l and10 l 10.0 10.5.2 Dimensions Dimensions Damper [mm] volume ∅D ∅d 0.25 118.5 10.0 139.5 Dimensions Damper [mm] volume ∅L ∅M 0.25 8-13... -
Page 18: Discharge-Side Pulsation Dampers Db And Dbg
PVDF ØH PVC, PP PVDF 10.0 PVDF PVC, PP 10.4 * Stainless steel 1.4404 Fig. 22 Discharge-side pulsation damper D ** For pulsation damper DBG observe the maximum operating pressure of the pressure gauge. Dimensions Damper [mm] volume ∅H 0.35... - Page 19 67-171 0.18 64-168 PVDF 58-175 PVC, PP 71-175 0.36 67-171 PVDF 67-171 PVC, PP 78-152 0.65 Ød 67-171 ØD PVDF 77-177 ØD1 PVC, PP 90-190 M 10 77-177 Fig. 23 Pulsation damper DBG, PVC version PVC, PP 105-205 PVDF 103-203 89.5 - 189.5...
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Page 20: Accessories
11. Accessories 11.2 Filling devices for pulsation dampers DB and 11.1 Manual vacuum pump kit for pulsation dampers Filling devices make the adjustment of the preload pressure of pulsation dampers easy. A filling device can be connected to the In installations without flooded suction, the pulsation damper filling valve of a pulsation damper and to a local compressed-air CSD can be filled by the manual vacuum pump kit. -
Page 21: Tyre-Valve Adapter For Pulsation Dampers Db And Dbg
11.4 Pressure gauge for pulsation dampers D 1. Use the public or private waste collection service. Assembly of pressure gauge with ball valve for venting. 2. If this is not possible, contact the nearest Grundfos company Materials: or service workshop. - Page 22 Appendix Safety declaration Please copy, fill in and sign this sheet and attach it to the product returned for service. Fill in this document using English or German language. Product description Product number (nameplate) Type key (nameplate) Dosing medium Fault description Please describe the error/cause of the error in brief.
- Page 23 Siu Wai Industrial Centre Turkey Poland GRUNDFOS Canada Inc. 29-33 Wing Hong Street & GRUNDFOS POMPA San. ve Tic. Ltd. Sti. 2941 Brighton Road GRUNDFOS Pompy Sp. z o.o. 68 King Lam Street, Cheung Sha Wan Gebze Organize Sanayi Bölgesi Oakville, Ontario ul.
- Page 24 99207465 0218 ECM: 1224038 www.grundfos.com...
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