Valve function3/2-way, closed, monostable
Type of actuationElectric
Construction width51 mm
Standard nominal flow rate (standardised to DIN 1343)595 l/min ... 2794 l/min
pneumatic working portSub-base G1/4 G1/2 1/4 NPT 1/2 NPT
Operating pressure14.5 psi ... 116 psi
DesignPiloted piston poppet valve
Type of resetMechanical spring
Degree of protectionIP50 IP65
CE mark (see declaration of conformity)To EU Explosion Protection Directive (ATEX)
Explosion protection certification outside the EUEPL Db (IEC-EX) EPL Db (KR) EPL Gb (IECEx) EPL Gb (KR)
Certificate issuing authorityBVS14ATEXE098X IECEx BVS14.0063X KGS15-GA4BO-0565X TÜV 968/V 1251.00/24
ATEX category gasII 2G
ATEX category dustII 2D
Explosion ignition protection type for gasEx i IIC T6, T5 Gb
Explosion ignition protection type for dustEx ia IIIC T85°C,T125°C Db
Explosion ambient temperatureT5, T125°C: -40°C <= Ta <= +70°C T6, T85°C: -40°C <= Ta <= +30°C
Nominal size6 mm ... 12 mm
Sealing principleHard
Mounting positionoptional
Type of pilotingPilot actuated
Pilot air supplyExternal Internal
Flow directionNon-reversible
Safety functionSafe venting
Safety Integrity Level (SIL)Up to SIL 3 High Demand mode To SIL 3 Low Demand mode
Note on operating pressure0 - 0.8 MPa with ext. pilot air
Flow rate Kv pressurisation0.54 m³/h ... 2.56 m³/h
Flow rate Kv exhaust0.54 m³/h ... 2.56 m³/h
Standard nominal flow rate 2-31066 l/min ... 4224 l/min
Switching time off14 ms ... 18 ms
Switching time on24 ms ... 25 ms
Explosion protectionZone 1 (ATEX) Zone 1 (IEC-EX) Zone 1 (KR) Zone 2 (ATEX) Zone 21 (ATEX) Zone 21 (IEC-EX) Zone 21 (KR) Zone 22 (ATEX)
Operating mediumCompressed air to ISO 8573-1:2010 [7:2:2]
Corrosion resistance class CRC4 - Very high corrosion stress
LABS (PWIS) conformityVDMA24364 zone III
Media temperature-25 °C ... 60 °C
Ambient temperature-25 °C ... 60 °C
Product weight550 g ... 985 g
Pneumatic connection, port 1M5 G1/4 G1/2 1/4 NPT 1/2 NPT NAMUR port pattern
Pneumatic connection, port 2Flange 1/4 Flange 1/2 G1/4 G1/2 1/4 NPT 1/2 NPT NAMUR port pattern
Pneumatic connection, port 3G1/4 G1/2 1/4 NPT 1/2 NPT
Note on materialsRoHS-compliant
Material sealsEPDM NBR VMQ
Material housingPBT-reinforced High-alloy stainless steel
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