DUNGS VSA - Venturi Signal Amplifier

[{"filename":"vsa_datasheet_en_294585.pdf","text":"VSA\nVenturi Signal Amplifier\n\n\n\n DUNGS Venturi Signal Amplifier VSA\n\n For direct suction side mounting on pre-mix blower.\n The blower generates a negative pressure on the suction\n side during operation, thereby producing an air and gas\n volumetric flow thanks to the signal amplifier.\n\n\n\n Product features\n\n • Flexible mounting position on the blower\n • Housing dimensions for 2 000 and 3 000 kW\n • Minimum 6:1 modulation range\n • Integrated blower seal\n\n\n Advantages\n\n • Increases maximum capacity; or\n • Reduces blower speed; and/or\n • Increases the modulation range\n\n\n\n\nVSA Ÿ Edition 2022.11 Ÿ 294 585 11 ....8\n\fVSA Table of Contents\n\n VSA – Key Facts & Advantages 1\n\n Technical data 3\n\n Dimensions 4\n\n Type overview 5\n\n Contact 8\n\n\n\n\nVSA Ÿ Edition 2022.11 Ÿ 294 585 2 ... 8\n\fVSA Technical data\n\n Venturi Signal Amplifier\n\n Inlet pressure range -6.0 kPa to +6.0 kPa (-24 \"W.C. to +24 \"W.C.)\n\n Combustion air temperature -15 °C to +60 °C (-5 °F to +140 °F)\n\n Ambient temperature -15 °C to +60 °C (-5 °F to +140 °F)\n\n VSA material Housing Aluminium\n Inserts POM, conductance 1 x 106 kΩ\n Sealing material silicone, NBR\n\n Pressure difference at Air 2 260 Pa (9.07 \"W.C.)\n rated capacity* Gas 3 840 Pa (15.42 \"W.C.)\n\n\n\n\n * Rated capacity at +15 °C,\n 101.325 kPa (59 °F, 406.8 \"W.C.),\n λ = 1.3, 100 % CH4 (G20)\nVSA Ÿ Edition 2022.11 Ÿ 294 585 3 ... 8\n\fDimensions\n\n\n\nAll compatible mounting\npositions are permissible.\n\nVSA can be mounted directly 85\non blower type: 29\n 4\n ∅ 281\n 240\n ∅ 312\n• G3G 315 (EBM Papst) .6 66\n• GPM 12 (Fasco)\n 100\n\n\n\n 8 x ∅ 20 275.5 12 x ∅ 9\n\n Air suction side Gas connection Blower side\n\n\n\n\nVSA Ÿ Edition 2022.11 Ÿ 294 585 4 ... 8\n\fType overview\n\n\n Type overview\n Order number Designation Rated capacity*\n 278856 VSA-2000 2 000 kW\n 278857 VSA-3000 3 000 kW\n *under standard conditions +15 °C, 101.325 kPa (59 °F, 406.8 \"W.C.), λ = 1.3, 100 % CH4 (G20)\n\n\n\n\n Type overview\n Order number Designation Size\n 221884 Flange Rp 1½\n 221926 Flange Rp 2\n 222003 Flange NTP 1½\n 221997 Flange NTP 2\n\n\n\n\nVSA Ÿ Edition 2022.11 Ÿ 294 585 5 ... 8\n\fVSA Ÿ Edition 2022.11 Ÿ 294 585 6 ... 8\n\fVSA Ÿ Edition 2022.11 Ÿ 294 585 7 ... 8\n\f Karl Dungs GmbH & Co. KG Telephone +49 (0)7181-804-0\n Karl-Dungs-Platz 1 Fax +49 (0)7181-804-166\n 73660 Urbach, Germany E-mail info@dungs.com\nSubject to technical modification in the interest of technical progress.\n Internet www.dungs.com\nVSA Ÿ Edition 2022.11 Ÿ 294 585 8 ... 8"}]