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830
Simple Regulator Troubleshooting
General Purpose Regulator
Knob
Adjusting
screw
Adjusting
nut Control
spring
Diaphragm
Valve pin
Valve
Valve
spring
Bottom plug
Spring rest
Relief seat
Malfunction
Possible cause
Remedy
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secondary pressure due to
leak from primary)
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damaged it can be replaced
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replacement of complete
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Won’t relieve secondary
pressure
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replace with relieving type
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Won’t reach desired pressure
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Use regulating spring with
spring rate designed to cover
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Excessive leak from relief
hole
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secondary to increase
somewhat and open relief
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generally
only encountered under a
certain set of conditions of
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only in some applications in
which regulator couples with
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regulator since they have
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locking device in locked
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Contaminants in adjusting
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