Valve function | 3/2-way, closed, monostable | ||
Material seals | EPDM NBR VMQ | ||
Pneumatic connection, port 3 | G1/4 G1/2 1/4 NPT 1/2 NPT | ||
Pneumatic connection, port 1 | M5 G1/4 G1/2 1/4 NPT 1/2 NPT NAMUR port pattern | ||
Ambient temperature | -25 °C ... 60 °C | ||
Corrosion resistance class CRC | 4 - Very high corrosion stress | ||
Explosion protection | Zone 1 (ATEX) Zone 2 (ATEX) Zone 21 (ATEX) Zone 22 (ATEX) Zone 1 (IEC-EX) Zone 21 (IEC-EX) Zone 1 (KR) Zone 21 (KR) | ||
Switching time off | 14 ms ... 18 ms | ||
Flow rate Kv exhaust | 0,54 m³/h ... 2,56 m³/h | ||
Note on operating pressure | 0 - 0.8 MPa with ext. pilot air | ||
Safety function | Safe venting | ||
Pilot air supply | External Internal | ||
Manual override | None | ||
Sealing principle | Hard | ||
Explosion ambient temperature | T5,T125°C: -40°C <= Ta <= +70°C T6,T85°C: -40°C <= Ta <= +30°C | ||
Explosion ignition protection type for gas | Ex i IIC T6, T5 Gb | ||
ATEX category gas | II 2G | ||
Explosion protection certification outside the EU | EPL Db (IEC-EX) EPL Db (KR) EPL Gb (IECEx) EPL Gb (KR) | ||
Degree of protection | IP50 IP65 | ||
Design | Piloted piston poppet valve | ||
pneumatic working port | Sub-base G1/4 G1/2 1/4 NPT 1/2 NPT | ||
Construction width | 51 mm |
Material housing | Ematal coated aluminium PBT-reinforced High-alloy stainless steel | ||
Note on materials | Contains paint-wetting impairment substances RoHS-compliant | ||
Pneumatic connection, port 2 | Flange 1/4 Flange 1/2 G1/4 G1/2 1/4 NPT 1/2 NPT NAMUR port pattern | ||
Product weight | 550 g ... 985 g | ||
Media temperature | -25 °C ... 60 °C | ||
Operating medium | Compressed air to ISO 8573-1:2010 [7:2:2] | ||
Switching time on | 24 ms ... 25 ms | ||
Standard nominal flow rate 2-3 | 1.066 l/min ... 4.224 l/min | ||
Flow rate Kv pressurisation | 0,54 m³/h ... 2,56 m³/h | ||
Safety Integrity Level (SIL) | Up to SIL 3 High Demand mode To SIL 3 Low Demand mode | ||
Flow direction | Non-reversible | ||
Type of piloting | Pilot actuated | ||
Mounting position | optional | ||
Nominal size | 6 mm ... 12 mm | ||
Explosion ignition protection type for dust | Ex ia IIIC T85°C,T125°C Db | ||
ATEX category dust | II 2D | ||
Certificate issuing authority | BVS14ATEXE098X IECEx BVS14.0063X KGS15-GA4BO-0565X TÜV V496.01/16 | ||
CE mark (see declaration of conformity) | To EU Explosion Protection Directive (ATEX) | ||
Type of reset | Mechanical spring | ||
Operating pressure | 1 bar ... 8 bar | ||
Standard nominal flow rate | 595 l/min ... 2.794 l/min | ||
Type of actuation | Electric |