CEM Evaporator W-202A

3-Way Mixing Valve and Evaporator

  • Accurately controlled gas/liquid mixture
  • Fast response
  • High reproducibility
  • Very stable vapour flow
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CEM EvaporatorW-202A

3-way Mixing Valve and Evaporator

Bronkhorst® model W-202A CEM 3-way Mixing Valve and Evaporator is suited for precise vapour flow delivery, composed by mixing up to 120 g/h H2O (320 g/h IPA) with max. 10 ln/min of carrier gas at operating pressures between vacuum and 100 bar. The temperature controlled mixing device is used in combination with  a (thermal or Coriolis) liquid flow meter and an MFC for carrier gas, together forming a Controlled Evaporation and Mixing (CEM) System.

Technical specifications

Max. Kv-value 6,6 x 10-2
Max. heating temperature 200°C
Mechanical /Electrical specifications
Material (wetted parts) Stainless steel 316L or comparable
Pressure rating 100 bar(a)
Max. ΔP 5...40 bar (depends on Kv-value; contact your distributor for details)
Process connections Gas and liquid inlet: compression type or face seal couplings;
Vapour outlet: 1/8" tube (other options on request);
Purge connection: 1/8" OD or 1/8" face seal
Seals Metal-to-metal
Plunger Kalrez®; other on request
Protection class IP40
Power supply Mixing valve: +15...24 Vdc +/-10%;
Heater: 44 Vac
Power consumption Mixing valve: 4 W (max.);
Heater: 150 W (nominal)
Heater capacity 100 W
Connector Amphenol 6-pin male

Technical specifications subject to change without notice.

For dimensional drawings and hook-up diagrams please visit the product page on our website


CEM brochure

Manual CEM Controlled Evaporator and Mixer

Hook-up diagrams

Dimensional drawing
Dimensional Drawing W102A-W-202A

Bronkhorst High-Tech B.V.

Nijverheidsstraat 1A
NL-7261 AK Ruurlo (NL)
Tel. +31 573 45 88 00
info[email protected]

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