Type 250 - Lock-Up Air Relay0 pages
Type 250
The ControlAir Type 250 Lockup Air Relay is a reliable unit
for fail in place applications of
control valves when air supply
drops below acceptable
pressure levels. Valve or
damper position is maintained
by capturing air pressure
inside the diaphragm chamber
(or piston cylinder) of the
actuator, when the supply
pressure falls below the
desired set value.
F E A T U R E S
• Two Pressure
Ranges Available
15-60 psig (1-4 BAR) or
30-120 psig (2-8 BAR)
• Manual Relief Valve
Allows system bleed down
• Corrosion-Resistant
Construction
• Aluminum or
304 Stainless Steel
Material Option
• Mounting Bracket
Standard for Ease of
Installation
• No Leakage in
Lock-up Position
Lock-up Air Relay
Reliability for fail in place applications
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