Burkert 274551 (00274551)

Mass flow controller

A direct-acting proportional valve guarantees high response sensitivity.

SPECIFICATIONS:

• Burkert Type 8626
• Article: 274551 (00274551)
• 8626-50,0L-NH3-E-A -GM82-VAAA-B-02,0

Burkert Type 8626 Mass Flow Controllers are succinct arrangement that control the mass flow rate of gases. They command the set flow rate oblivious of obstruction including pressure drops or provisional resistance to flow. Flow regulator consist of a flow meter, an electronic module, as well as a proportional valve. Inline sensors work in the CTA mode (constant temperature anemometers). In that event, the electrical heating resistance and the measuring resistance are adjusted to a constant temperature differentiation. Both resistances are immediately in the gas stream; and three resistances are out of it. All resistances are combined in an electric bridge. The first resistance is gauge the temperature of the fluid. The second, low resistance, is constantly heated to maintain a clearly specified surplus temperature relative to the temperature of thefluid. Due to the reality that the resistances are disposed directly in the channel, the devices have splendid dynamics: the response time when changing a given or actual value is hundredths of a millisecond. Additionally, the sensor is almost not polluted.