14
EB 8393 EN
Design and principle of operation
3.5 Technical data
Pneumatic volume booster
Type 3755-1
Type 3755-2
Type 3755-2
Aluminum body
Stainless steel body
Flow coefficients
K
VS
Supply
2.5 m³/h
K
VS
Exhaust
2.5 m³/h
K
VS
Bypass
0.3 m³/h
Closed loop control
Pressure ratio:
signal to output
1 : 1
Response pressure
Standard temperature range:
80 mbar
Low temperature range:
100 mbar
Pressure
Supply
Max. 10 bar · Max 145 psi
Actuator
Max. 7 bar · Max 101.5 psi
Signal
Max. 7 bar · Max 101.5 psi
Air quality acc. to
ISO 8573-1
Maximum particle size and density: Class 4
Oil content: Class 3
Pressure dew point: Class 3 or at least 10 K below the lowest ambient
temperature to be expected
Connecting thread
Supply (SUP)
G ¾ (optionally ¾ NPT)
Actuator/output (OUT)
G ¾ (optionally ¾ NPT)
Signal (SIG)
G ¼ (optionally ¼ NPT)
Exhaust port (EXH)
–
G 1 (optionally 1 NPT)
Safety integrity level
Use in safety-instrumented
systems acc. to
IEC 61508/IEC 61511
1)
Suitable for use in safety-instrumented systems up to SIL 2:
applies to
a single device
Suitable for use in safety-instrumented systems up to SIL 3:
applies to
redundant configuration of valves according to IEC 61508
Î
See Manufacturer's Declaration HE 1193 (available on request)
1)
Only suitable for the standard temperature range and with the aluminum body