Technical details
Connection G1/8
Nominal size 6 mm
Temperature range -10°C ... +70°C
Medium Filtered, oil-free and dried compressed air according to ISO
8573-1:2010, Class 7:2:4, instrument air, free of aggressive
additives. Alternatively the pressure dew point must be at
least 10°C below lowest occurring ambient temperature.
Materials Body: Al (anodized), seals: NBR and POM, inner parts: Al,
brass, stainless steel
Valves in accordance with 2014/34/EU (ATEX) available. (Chapter 13)
5/2-way valves
L-28-511
5/2-way, single pilot, mechanical
spring return
L-28-520
5/2-way, double pilot
L-28-311
3/2-way, single pilot, mechanical
spring return
Model-no.: L-28-311 L-28-320 L-28-511 L-28-520
Operating pressure (bar) 1 ... 10 0 ... 10 0 ... 10 0 ... 10
Pilot pressure (bar) see diagram 2 ... 10 3 ... 10 2 ... 10
Flow rate (Nl/min) 600 600 600 600
Weight (kg) 0.192 0.195 0.254 0.250