Table of Contents
Advertisement
Malfunctions
Malfunction
Possible reasons
Loud flow-
High flow velocity, cavitation.
induced noise
8.1.2
Type 2357-1 as pressure build-up regulator
Malfunction
Possible reasons
Seat and plug are worn or
leak.
Foreign particles blocking the
plug
Pressure
exceeds the
adjusted set
K
/C
VS
point.
A safety device has been
triggered.
Spring frozen due to
condensate collecting in the
spring housing.
Valve installed against the flow.
Strainer blocked.
Pressure drops
below the
K
/C
adjusted set
VS
point.
Foreign particles blocking the
plug
Pressure
K
/C
fluctuates.
VS
Increased friction, e.g. due to
Jerky control
foreign particles between seat
response
and plug.
8-2
coefficient too large
V
coefficient too small
V
coefficient too large
V
Recommended action
Î Check the sizing.
Î Install larger regulator, if necessary.
Recommended action
Î Clean the seat and plug.
Î Replace the damaged plug.
Î Contact SAMSON's After-sales Service.
Î Remove foreign particles.
Î Replace damaged parts.
Î Contact SAMSON's After-sales Service.
Î Check the sizing.
Î Change K
/C
coefficient, if necessary or install a different
VS
V
sized regulator.
Î Contact SAMSON's After-sales Service.
Î Check plant. Unlock safety device (where necessary).
Î Allow the regulator to thaw or use a heat to melt the ice.
Î Contact SAMSON's After-sales Service.
Î Install the valve so that the direction of flow matches the
direction indicated by the arrow on the body.
Î Clean the strainer.
Î Check the sizing.
Î Change K
/C
coefficient, if necessary or install a different
VS
V
sized regulator.
Î Contact SAMSON's After-sales Service.
Î Remove foreign particles.
Î Replace damaged parts.
Î Contact SAMSON's After-sales Service.
Î Check the sizing.
Î Change K
/C
coefficient, if necessary or install a different
VS
V
sized regulator.
Î Contact SAMSON's After-sales Service.
Î Remove foreign particles.
Î Replace damaged parts.
Î Contact SAMSON's After-sales Service.
EB 2557 EN
Advertisement
Table of Contents
