Directive 94/9/EC Equipment and Protective Systems intended for use in potentially Explosive Atmospheres ATEX Directive Outline of ATEX directive �拘MC's products corresponding to ATEX Directive SMC's products which are within the scope of the ATEX Directive include electrical equipment and mechanical equipment such as pneumatic actuators (cylinders). SMC prepares pneumatic equipment for all industries compliant with the ATEX Directive to help our customers make a system corresponding to the Directive. �垢ertification Procedure Our products are categorized as electrical and non-electrical products, and tested and certified as follows: SMC's Support ATEX Category Certification method Certified by Electrical products Category 1 Category 2 Category 3 1. Technical file 2. Quality audit 3. Type approval test Certification authority Certification authority Certification authority 1. Technical file 2. Quality audit 3. Type approval test Certification authority Certification authority Certification authority 1. Technical file 2. In-house production control SMC SMC Certification method Certified by Non-electrical products (Cylinder, rotary actuator, etc.) 1. Technical file 2. Quality audit 3. Type approval test Certification authority Certification authority Certification authority 1. Technical file (to be stored in the certification authority) 2. Quality: In-house manufacturing control SMC SMC 1. Technical file 2. In-house production control SMC SMC Zone 2 Category 3 Zone 1 Category 2 Zone 0 Category 1 Continuously or for long periods >1000 hours/year Occasionally 10 to 1000 hours/year Presence of the explosive atmosphere Equipment category 1 2 3 Rarely or for short periods <10 hours/year Zone 0 1 2 Since 1st July 2003, equipment used in potentially explosive atmospheres within the EU is required to comply with the ATEX directive. �垢E Marking and ATEX All equipment within the scope of the Directive must bear the CE marking and comply with the directive's requirements. ATEX Directive incorporates conventional European standards for explosion-proof equipment. �弘bjective of the ATEX Directive Major objective of the ATEX Directive is as follows: Preventing electrostatic discharge Preventing ignition likely to be caused by electrical sparks generated from friction, shock, and wear Preventing ignition under the influence of elevated temperatures due to friction, shock, and wear Concentrating on the duties of the manufacturers Certifying equipment to the ATEX directive by Zone/Category �校one/Category classification The ATEX directive defines the categories of equipment and protective systems, which can be used in the corresponding zones as per the following table: (Solenoid valve, auto switch, serial transmission system, electro-pneumatic positioner, etc. ) 1