Vary-p valve, Pilot operated valve, Bellow valve – Bronkhorst CORI-FLOW User Manual
Page 10: 2 vary-p valve, 3 pilot operated valve, 4 bellow valve
BRONKHORST CORI-TECH B.V.
1.3.2 Vary-P valve
For process conditions where up- and downstream pressure varies
much, a special type of valve, VARY-P has been designed. This valve
consists of two valves, a solenoid operated control valve and a fixed
adjusted pressure compensation valve.
1.3.3 Pilot operated valve
For high flow rates the pilot operated valve has been designed. A
solenoid driven control valve controls the pressure difference
across a piston, which lifts the main plunger.
1.3.4 Bellow valve
This valve type is a direct driven, low power, solenoid operated control valve. A special design, incorporating
a metal bellow allows for a relatively large orifice opening to be controlled. The design is suited for low
pressure or vacuum applications.
1.4 Software for physical properties of gases and liquids.
Bronkhorst Cori-Tech B.V. gathered the physical properties of over 600 fluids in a database called FLUIDAT.
Application software, such as FLOW CALCULATIONS, enables the user to calculate properties, not only at
20°C / 1 atm but also at any temperature/pressure combination, both for gases and for liquids.
Apply to your distributor for more details of this software.
P1
pilot valve
pressure
compensating
valve
P2
flow control valve
pressure
compensating
valve
flow control
valve
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9.17.031