Spirax Sarco PN 3000 Series, Installation And Maintenance Instructions Manual

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3.561.5275.201 6
PN 4000 Series, Spring Retract Pneumatic Actuators
Available types
Spring retract spindle, multi spring, yoke mounted actuators 4200, 4300, 4400, 4500, and 4600
Series.
Description
A range of compact linear actuators having 5 diaphragm sizes for matching the requirements of
different valves at various differential pressures. Each actuator is fitted with a stroke indicator
and incorporates a semi-rolling diaphragm which gives good linearity over the operating
stroke.These actuators are designed to operate with two port LE valves as detailed below.
Spring ranges
Actuator Types Spring Range Travel
4220 0.2 to 1 bar 20mm
4320 0.2 to 1 bar 20mm
4420 0.2 to 1 bar 20mm
4430 0.2 to 1 bar 30mm
4520 0.2 to 1 bar 20mm
4530 0.2 to 1 bar 30mm
4620 0.2 to 1 bar 20mm
4630 0.2 to 1 bar 30mm
Actuator Type Valve Type
20 mm travel LE Series (DN 15 - 50)
30 mm travel LE Series (DN 65 - 100)
Technical Data
Temperature Range -20° to 100°C
Max operating pressure
PN4200/4300
6 bar
PN4400 4 bar
PN4500/4600 2.5 bar
Air Supply Connection
Actuator Type Connection
PN 3200 to 3600 Series ¼" NPT
Compressed Air Consumption
Actuator Type Travel Volume (NLitres)
4200 Series 20 mm 0.6
4300 Series 20 mm 1.0
4400 Series
20 mm 1.4
30 mm 2.1
4500 Series
20 mm 2.4
30 mm 3.6
4600 Series
20 mm 3.8
30 mm 5.7