Valmet Flowrox Expulse Series Installation, Operation And Maintenance Instructions

Dampener dn32-dn100

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Installation, operation and

maintenance instructions for

Flowrox™ Expulse™ Dampener

DN32 - DN100

Installation, maintenance and

operating instructions

These instructions must be read

carefully and understood prior

to the installation, use, and

servicing of this product.

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Summary of Contents for Valmet Flowrox Expulse Series

Page 1 Installation, operation and maintenance instructions for Flowrox™ Expulse™ Dampener DN32 - DN100 Installation, maintenance and operating instructions These instructions must be read carefully and understood prior to the installation, use, and servicing of this product.
Page 2 CAREFULLY. HOWEVER, OBSERVANCE OF ANY PART OF THE INSTRUCTIONS PRESENTED IN THIS MANUAL MAY BE OMITTED IN EVENT WHEN IT IS REQUIRED OR ALLOWED BY LAW. VALMET HAS TAKEN EVERY CARE IN THE PREPARATION OF THE CONTENT OF THIS MANUAL, BUT DOES NOT MAKE ANY REPRESENTATIONS, WARRANTIES OR GUARANTEES OR, EXPRESS OR IMPLIED, AS TO THE ACCURACY OR COMPLETENESS OF THIS MANUAL.
Page 3: Table Of Contents
Table of Contents 1 EU DECLARATION OF CONFORMITY 2 General safety instructions 5 3 Introduction Applications and purpose of use 3.2 General description 3.3 Technical data 4 Transportation, Storage and Lifting 5 Installation General 5.2 Flow direction and support 5.3 Dampener installation 6 Operation Commissioning and decommissioning 6.2 General maintenance and checks...
Page 4: Eu Declaration Of Conformity
PED Article 13 Fluid group 2 Conformity assessment procedure: Module A Following harmonized standard has been partially applied: EN 12115:2021 On behalf of Valmet Flow Control Oy In Lappeenranta, 14th September 2023 Riku Salojärvi Senior Manager, Operations 4EXP70EN - 9/2023...
Page 5: General Safety Instructions
General safety instructions Use personal protective equipment when performing any checks or maintenance operation for the inline pulsation The symbols in Table 1 are used in this manual to highlight dampener (goggles, helmet, clothing and gloves). Always the parts requiring particular attention. follow the factory safety regulations.
Page 6: General Description
3.2 General description Principle of operation The wetted parts of Flowrox Expulse™ dampener are built from stainless steel and NR as a standard structure. The hoses are overlapping creating an air tight space between them. This space is pressurized with oil free compressed air. The Expulse dampener provides full bore through which the medium can travel.
Page 7 Figure 2. Main components of DN80 and DN100 Flowrox Expulse™ dampener. Part Description Part Description Damping hose Valve Cover hose Plug Pulsation hose connector Lock nut Pulsation hose flange O-ring Hose clamp Threaded flange Preformed clamp 4EXP70EN - 9/2023...
Page 8: Technical Data
3.3 Technical data Product identification Flowrox dampener type plate is shown in Figure 3. Figure 3. Example of type plate. Dampener type (see Table 3) Serial number (year, order number, series size, individual serial number) Customer tag number etc. Nominal diameter, pressure class Table 3.
Page 9: Transportation, Storage And Lifting
When storing used dampeners, wash them with fresh water and follow the steps above. For storage periods greater than 36 months, please contact Valmet Flow Control as the rubber General parts need to be changed before use. Flowrox Expulse™ inline pulsation dampeners are normally delivered fully assembled and ready for use.
Page 10: Flow Direction And Support
Lift the dampener on place with appropriate lifting 5.2 Flow direction and support equipment. Apply pipe tape or hemp on the connector threads. Tighten the connectors between the dampener and Do not step on a dampener installed in horizontal or pipeline.
Page 11: General Maintenance And Checks
1 piece) Collect and dispose dangerous process media, so that people and environment are not endangered. Follow the local You can order the spare parts from Valmet's Flow Control regulations. offices, distributors or agents. Contact information is available at https://contact.neles.com/...
Page 12 Cut both the cover (part 2) and damping (part 1) hoses in half. Figure 9. Cutting the hoses. Remove the hose clamps (part 5) on the cover hose (part Remove the cover hose (part 2). Remove the lock nuts (9), pulsation hose flanges (part 4) and o-rings (10).
Page 13 10. Clean the threads on the pulsation hose connectors (part Figure 12. Cleaning the threads. Installing the hoses Follow the general tightening torques in Table 5.General tightening torques (bolt class 8.8, lubrication MoS2)., when specific tightening instructions are not given. Part numbers in these assembly instructions refer to figures 1 and 2.
Page 14 Place the o-rings (part 10) on the pulsation hose connectors. Figure 14. Installing the o-rings. Install one pulsation hose flange (part 4) and plug (part 8) to the other end of the dampener. Install the lock nut (part9) on the pulsation hose flange. Figure 15.
Page 15: Troubleshooting
Figure 16. Installing the cover hose. Install the second pulsation hose flange (part 4) and valve (part 7). Install the lock nut (part 9) on the pulsation hose flange. Install the hose clamps (part 5) to the dampener. Figure 17. Installing the pulsation hose flange and hose clamps.
Page 16: Appendix A: Main Dimensions Of Expulse™ Dampener
Appendix A: Main dimensions of Expulse™ dampener Dampener size Length L Inner diameter D Threads T Weight (kg) Max Pressure (Bar) (DN) 1100 G1-1/4” Threads 1100 G1-1/2” Threads 1400 G2” Threads 1500 G2 1/2” Threads 1500 G3” Threads 2000 G4” Threads Dimensions and weights are for guidance only –...
Page 17 4EXP70EN - 9/2023...
Page 18 4EXP70EN - 9/2023...
Page 19 4EXP70EN - 9/2023...
Page 20 Tel. +358 10 417 5000 www.valmet.com/flowcontrol Subject to change without prior notice. Neles, Neles Easyflow, Jamesbury, Stonel, Valvcon and Flowrox, and certain other trademarks, are either registered trademarks or trademarks of Valmet Oyj or its subsidiaries in the United States and/or in other countries.