Model 70B0 pages
A
Model
70B
Model 70B Pneumatic Subminiature Regulator
Features
• The Model 70B controls a pressure signal
for pneumatic instrumentation. This
regulator is ideally suited for applications
with limited space.
• Vibration damper provides low noise
operation.
• Repeatability within 0.06 psig dead ended
allows accurate setpoint control.
• Small size allows installation in
restrictive spaces.
Operating Principles
When the setpoint is reached, the upward
force of the output pressure that acts on the
bottom of the Diaphragm balances with the
downward force that acts on the top of the
Diaphragm. If the output pressure rises
above the setpoint, the force that acts on the
bottom of the Diaphragm moves the
Diaphragm Assembly upward to close the
Supply Valve and open the Relief Valve.
Excess output pressure exhausts through the
Vents in the unit until it reaches the setpoint.
The Vibration Damper dampens the throttling
action of the Valve.
VIEW A
VIEW B
VIEW C
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