From the Ministry of Science, Industry and Technology:  
 
COMMUNIQUÉ ON TS 1143  ‘‘ PISTON  RINGS  MADE O F CAST IRON 
FOR  MOTOR VEH ICLES P ISTONS  ’’ STANDARD  
 (COMMUNIQUÉ NO: MSG - MS - 2018 /  ) 
 
Purpose  
           ARTICLE 1 – (1) The purpose of this Communiqué is to identify issues related to the 
implemen tation of the revision of TS 1143 ( January 2018)  “ Piston Rings  Made O f Cast Iron 
For Motor Vehicles Pistons ” Standard.  
 
Scope  of this standard  
ARTICLE 2 – (1) This standard covers  compression piston rings made  of cast iron with 
nominal diameters of 30 mm to 200 mm (inclusive) used in internal combustion engine pistons  
with one -piece of unsprung oil piston rings . 
 
 
Legal Basis  
ARTICLE 3 – (1) This  Communiqué has been drawn up based on the Decree Law No. 
635 on Organisation and Duties of the Ministry of Science, Industry and Technology dated 
3/6/2011; Law No. 1705 on the Prevention of Adulteration in Trade and Supervision and 
Protection of Exports dated 10/6/1930; Law No. 132 establishing Turkish Standards Instit ution 
dated 18/11/1960 and Regulation on Mutual Recognition in Non -regulated Areas that was put 
into force with the Decision No. 2012/3169 of the Council of Ministers dated 2/5/2012.  
 
Putting into Effect  
  ARTICLE 4 – (1) TS 1143  “Piston Rings ( For Vehicle  Motors Pistons )” is canceled . 
Instead, ‘‘ The revision of TS 1143 ( January  2018 )  “Piston Rings  Made o f Cast İron For  Motor 
Vehicles Pistons ” standard was adopted and decided to be published in the meeting of Technical 
Board of Turkish Standards Institution (TSE) dated 15/01/2018  and it has been put into effect 
as mandatory in manufacturing and sales stages.  
 
Compliance Obligation  
ARTICLE 5 – (1) Those who produce and sell products on the market within the scope 
of TS 1143  (January 2018 ) Standard shall be obliged to comply with the provisions of this 
Communiqué.  
 
Mutual Recognition Clause  
ARTICLE 6 – (1)  The pro visions of this Communiqué on TS 1143 ( January  2018 )  
“Piston Rings  Made o f Cast İron For  Motor Vehicles Pistons  ’’ shall not apply to the products 
which were legally produced or put into free circulation in a Member State of the European 
Union.  
   (2) Nonetheless, the Ministry of Science, Industry and Technology may 
submit the product to an evaluation following the rules and procedures l aid down in Chapter Three of Regulation on Mutual Recognition in Non -Harmonised Area which was put into force 
by Decision of Council of Ministers No. 2012/3169 of 2/5/2012 and as a result of this evaluation 
if it finds out that this product does not provid e a level of protection equivalent to that sought 
by this Communiqué on ‘‘ TS 1143 ( January  2018 )  “Piston Rings  Made o f Cast İron For  Motor 
Vehicles Pistons ’’ it may prohibit placing on the market of the product, make its placing on the 
market subject to prior conditions or have the product withdrawn or recalled from the market.  
 
Provision  
ARTICLE 7 – (1) TS 1143 ( January 2018 ) “Piston Rings  Made of Cast İron For Motor 
Vehicles Pistons  ’’ Standard shall be obtained from the central organization or provincial 
representative offices of TSE. Contact information can be accessed from the website of the 
TSE.  
 
Repeal  
 ARTICLE 8 – (1) The related part of the Communiqué regarding TS 1143 ( January 
2018) “Piston Rings  Made of Cast İron For  Motor Vehicles Pistons  ’’  Standard published in 
the Official Gazette No:  15393  and dated 24/10/1975 has been repealed.  
 
 
Entry into Force  
ARTICLE 9 – (1) This Communiqué shall enter into force six months after its 
publication.  
 
Enforcement  
ARTICLE 10 – (1) The provisions of this Communiqué shall be enforced by the 
Minister of Science, Industry and Technology.