Pressure controller with tapered neck
C 26 520 540 25/10/25 PN 40
Application
It is used as a self-acting regulator, which
decreases the input vapor pressure and
regulates it within tolerant range to the set
output pressure. The controller can be used for heating gas as per ČSN 385502, air and other non-aggressive gases. Operation temperature range is from -10°C up to 70°C (inconsideration of rubber parts). When the consumption of the gas drops, the pressure increases. Diaphragm moves upward whenthe pressure is increased. Plug decreases seat cross sectional area of flow and therefore the pressure decreases. Pressure level resettles on the adjusted level. When the consumption of the gas increases, the pressure drops. Diaphragm responds by moving downward.
Plug increases seat cross sectional area of
flow and therefore the pressure increases.
Pressure level resettles on the adjusted level.

Connecting and face-to-face dimensions
Connecting and face-to-face dimensions are
given in table below.

Material
Body, controller-cover,
diaphragm bonnet, bonnet cast steel
Plug, bushing brass
Threaded connection anticorrosive
Disk carbon steel
Sealing rings synthetic rubber
Diaphragm saturated synthetic rubber

Installation
The controller is installed to horizontal pipe-
line only. Vertical controller axis must be
perpendicular to horizontal surface, which
passes through longitudinal controller ax

 

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