Data Sheet Diaphragm Pulsation Damper

seraDiaphragm-type pulsation dampersSeybert & RahierType 721.1 – 724.1ApplicationFree-flowing chemicals with aggres-sive, odorous, radioactive, flamma-ble, viscous or toxic properties.Advantages? Simple operation? Easy maintenance? High life time? Optional installation position? Damping vibration andnoisesera-Diaphragm-type pulsation dampersreduce the flow pulsations of oscillating displacementpumps.Ask us to submita quotation to meet yourspecific requirementsmembran_pulsat_2s_engl_neu 11.08.2003 8:02 Uhr Seite 1seraSeybert & Rahiersera-Diaphragm-type pulsation dampersare equipped with diaphragms which separate the gas cushion from the medium – that way avoiding absorptionand emission.MaterialThe high quality of materials ensures continuous and reliable operation.Diaphragm:PTFE, PTFE-facedSealings:1.4571** / 1.4305 FEP-coveredPP, PVC-U, PVDF / PVC-U EPDM, FPM (FEP on request).Type Effective Permissible maximum Connection**Volume operation pressure*[ L ] [bar ]Material / Combination of material1.4571*** / PP, PVC-U, PVDF / 1.4571*** / PP, PVC-U, PVDF /1.4305 PVC-U 1.4305 PVC-U721.1 0.14 50 10 G 3/4 G 11/4722.1 0.32 50 10 G 3/4 G 11/4723.1 0.86 50 10 G 3/4 G 11/4724.1 1.80 50 10 G 3/4 G 11/4*** For pulsation dampers made of plastic in dependence on working temperature(range of temperature between + 2° C and + 40° C)*** Other connections on request*** Material lower part: 1.4571 – Titan, Hastelloy on requestMaterial upper part: 1.4305Subject to technical modifications·63/02 - GB - 08/03seraDosingFeedingCompressingSeybert & Rahier GmbH + Co. Betriebs-KGsera-Straße 1 · D-34376 ImmenhausenPhone + 49 56 73 99 90Fax + 49 56 73 99 91 55e-mail: info@sera-web.deInternet: www.sera-web.deDiaphragm-type pulsation dampersType 721.1 – 724.1membran_pulsat_2s_engl_neu 12.09.2003 7:28 Uhr Seite 2