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Filling unit, pneumatically operated, Series AS3-SSU

▶ G 3/8 - G 1/2 ▶ pipe connection ▶ suitable for ATEX

ATEX	II 2G2D T4 X
Parts	3/2-way valve, pneumatically operated, Filling valve
Version	Poppet valve, Can be assembled into blocks
Working pressure min./max.	2.5 bar / 10 bar
Medium	Compressed air
Medium temperature min./max.	-10°C / +50°C
Ambient temperature min./max.	-10°C / +50°C
Pilot	internal
Sealing principle	soft sealing
Control pressure min./max.	2.5 bar / 16 bar
Max. particle size	5 µm

Materials:

Housing	Polyamide
Front plate	Acrylonitrile butadiene styrene
Seals	Acrylonitrile Butadiene Rubber
Threaded bushing	Die cast zinc

Technical Remarks
■	The pressure dew point must be at least 15 °C under ambient and medium temperature and may not exceed 3 °C.
■	Builds up pressure slowly in the pneumatic systems, i.e. prevents a sudden pressure build-up during a restart after a mains pressure failure or avoids emergency OFF switching. This also avoids dangerous, jerky cylinder movements.

1) With adjustment screw lock

Nominal flow Qn at p1 = 6.3 bar and Δp = 1 bar

Secondary pressure while filling

adjustable filling
1) Fully opened
p2 = secondary pressure t = fill time

Flow rate characteristic

p2 = secondary pressure qn = nominal flow

Dimensions

A1 = input A2 = output A3 = ventilation port
A5 = pilot connection
1) Adjustment screw for filling time
2) Adjustment screw lock