ASCO LI WSLI Series | Ex ia Intrinsically Safe ATEX IECEx Solenoid Valve Operators 3/2

ASCO LI WSLI Series | Ex ia Intrinsically Safe Operators

ASCO li wsli Solenoid valve Operators

EX ia intrinsically safe

ASCO LI WSLI explosion proof solenoid valve operators are ATEX certified for installation in potentially explosive atmospheres located in hazardous areas.

The solenoid operators with Intrinsically Safe IEC explosion protection techniques, are suitable for use in hazardous areas with exposure to gas, classified as Zone 0.

Hazardous Area Classification & Ex Safety Code

ATEX Solenoid Valves

Ex II 1G Ex ia IIC T6 Ga
Ex II 2D Ex tb IIIC T85°C IP66/IP67 Db

EC type certificate LCIE 09 ATEX 3054 X and IECEx certificate IECEx LCI 09.0022X. IP66/IP67 ingress protection.

The Ex ia solenoid operators used in conjunction with valves are compliant with International and European Standards EN-IEC 60079-0, EN-IEC 60079-11 and EN-IEC 60079-31 and also certified for use in potentially explosive atmospheres according to ATEX-Directive 2014/34/EU.

ASco li wsli valve operators – features

• Ingress Protection Rating: IP66/IP67
• The solenoid operators have a cataphorese black painted Aluminium (LI) or 316L grade Stainless Steel (WSLI) enclosure which is provided with a cable gland for unarmoured cable with an o.d. of 6 to 12 mm
• ASCO LI & WSLI operators are easily installed with a screw terminal coil
• Peak voltage suppression is standard for DC executions
• A range of solenoid valves can be supplied with the Ex ia operators

asco li wsli operators – CONSTRUCTION

asco ex ia valve operators – ELECTRICAL CHARACTERISTICS & Connections

Standard voltages:

• DC (=) : 24V
• Coil Insulation Class: F
• Voltage (Un) (Maximum ripple 10%): 24 Volts
• Power Ratings (Pn) – Hot/Cold = : 0.5 Watts
• Typical Functional Ratings: I (ON) Minimum – 32 mA | U (ON) Minimum – 12.5 Volts
• Temperature Rating: 20°C – 288 Ω | T6  – 354 Ω

Connections:

• Electrical connection between solenoid valve and barrier/interface with cable type A or B according to EN 50039
• Internal and external earthing connection
• The operator is able to be rotated through a full 360° to select the most favourable position for cable entry

Ex ia intrinsically safe valve operators – dimensions

TYPE LI

Prefix “LI” Solenoid
Aluminium, cataphorese black painting
Weight: 0.56 kg
IEC and EN: 60079-11, 60079-31
II 1G Ex ia IIC T6 Ga, II 2D Ex tb IIIC T85°C IP66/IP67 Db

ASCO LI Series Solenoid Valve Operators | Dimensions (mm)

TYPE WSLI

Prefix “WSLI” Solenoid
Stainless steel
Weight: 1.17 kg
IEC and EN: 60079-11, 60079-31
II 1G Ex ia IIC T6 Ga, II 2D Ex tb IIIC T85°C IP66/IP67 Db

ASCO WSLI Solenoid Valve Operators | Dimensions (mm)

ASCO – Hazardous Area Solenoid Valves With ATEX & IECEx Certification

recommended interfaces

asco li & wsli

This equipment must be ordered from its respective manufacturers, specifying that they are intended to feed intrinsically safe solenoid operators: LI & WSLI: II 1G Ex ia IIC T6 Ga, II 2D Ex tb IIIC T85°C IP66/IP67 Db

Read Blog: ATEX Solenoid Valves – ASCO Valves for International Hazardous Area Installations.

Flameproof | Encapsulated | Increased Safety | Intrinsically Safe | Non-Sparking Explosion Proof

Data Sheets

• ASCO LI WSLI Series | Ex ia Intrinsically Safe ATEX IECEx Solenoid Valve Operators 3/2 | Data Sheet
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