By-pass valve automatic regulators differential pressure Danfoss AVPA
Offer type: salePublished: 28.02.2015
By-pass valve automatic regulators differential pressure Danfoss AVPA.
AVPA - Automatic regulator of differential pressure designed for
use in district heating systems. Controller
opens when the increase in pressure drop.
The controller consists of a control valve, a regulating element with the diaphragm and spring to adjust the pressure differential.
- Possible DN 15 - 250 mm
- Range kvs 1.9 - 400 m3/h
- Range PN 10, 16, 25, 40 bar
- Max. the pace. the range 130 - 200º C*
- Connection type threaded / flanged
- Set variable
Automatic pressure regulators and pressure drop are
for use in district heating systems. Valve
the regulator opens when the pressure increase or pressure drop.
The controller consists of a control valve, a regulating element with
the diaphragm and spring to adjust the pressure differential.
The principle of operation of the regulator: if vozrastnoi pressure drop above
the set value, the valve starts to open until until
equilibrium is established between the force acting on the diaphragm
the differential pressure and the spring force. The valve is normally closed and
opens when the increase in pressure drop.
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Sergej Aleksandrovich
