G/TBT/N/MWI/62  
17 March 2022  
(22-2368) Page: 1/2 
Committee on Technical Barriers to Trade  Original:  English  
 
  
NOTIFICATION  
The following notification is being circulated in accordance with Article 10.6  
 
1. Notifying Member:  MALAWI   
If applicable, name of local government involved (Article 3.2 and 7.2):   
2. Agency responsible:  Malawi Bureau of Standards  
Name and address (including telephone and fax numbers , email and website 
addresses, if available) of agency or authority designated to handle comments 
regarding the notification shall be indicated if different from above:   
The Director General  
Malawi Bureau of Standards  
P.O Box 946  
Blantyre  
Malawi  
Tel: +265 887 376 444/445/446/447  
Fax: +265 1 870 756  
Email: mbs@mbsmw.org  
Website: www.mbsmw.org  
3. Notified under Article 2.9.2 [X], 2.10.1 [   ], 5.6.2 [   ], 5.7.1 [   ], other :  
4. Products covered (HS or CCCN where applicable, otherwise national tariff 
heading. ICS numbers may be provided in addition, where applicable):  This 
document also specifies the test parameters for the test methods referred to in this 
document. In conjunction with the other parts of the DMS 374 series, this document is 
applicable to PE pipes, fittings, their joints and to joints with components of  PE and other 
materials, intended to be used under the following conditions: a) a maximum allowable 
operating pressure (PFA) up to and including 25 bar ; b) an operating temperature of 20 
°C as the reference temperature. NOTE 3 - For other operating temper atures, guidance 
is given in DMS 374 -1: 2021, Annex A.; PLASTICS AND ARTICLES THEREOF (HS 39); 
CIVIL ENGINEERING (ICS 93)  
5. Title, number of pages and language(s) of the notified document:  DMS 374 -
5:2021, Plastics piping systems — Polyethylene (PE) pipes  and fittings for water supply 
— Part 5: Fitness for purpose of the system (8 page(s), in English)  
6. Description of content:  This document specifies the characteristics of the fitness for 
purpose of pipes and/or fittings assemblies made from polyethylene  (PE) for buried or 
above ground applications, intended for the conveyance of water for human consumption, 
raw water prior to treatment, drainage and sewerage under pressure, vacuum sewer 
systems, and water for other purposes  
7. Objective and rationale, i ncluding the nature of urgent problems where 
applicable:  Consumer information, labelling; Quality requirements  G/TBT/N/MWI/62  
 
- 2 - 
 
  8. Relevant documents:   
1. ISO 1167 -1:2006 , Thermoplastics pipes, fittings and assemblies for the 
conveyance of fluids — Determination of the resistance to internal pressure — 
Part 1: General method;  
2. ISO 1167 -2, Thermoplastics pipes, fittings and assemblies for the conveyance of 
fluids — Determination of the resistance to internal pressure — Part 2: 
Preparation of pipe test pieces;  
3. ISO 1167 -4, Thermoplastics pipes, fittings and assemblies for the conveyance of 
fluids — Determination of the resistance to internal pressure — Part 4: 
Preparation of assemblies;  
4. ISO 4427 -1:2019 , Plastics piping systems for water supply, and for drainage 
and sewerage u nder pressure — Polyethylene (PE) — Part1: General;  
5. ISO 4427 -3:2019, Plastics piping systems for water supply, and for drainage 
and sewerage under pressure — Polyethylene (PE) — Part 3: Fittings.  
6. ISO 11413:2019 , Plastics pipes and fittings — Preparation o f test piece 
assemblies between a polyethylene (PE) pipe and an electrofusion fitting;  
7. ISO 11414:2009 , Plastics pipes and fittings — Preparation of polyethylene (PE) 
pipe/pipe or pipe/fitting test piece assemblies by butt fusion;  
8. ISO 13953 , Polyethylene (P E) pipes and fittings — Determination of the tensile 
strength and failure mode of test pieces from a butt -fused joint;  
9. ISO 13954 , Plastics pipes and fittings — Peel decohesion test for polyethylene 
(PE) electrofusion assemblies of nominal outside diameter greater than or equal 
to 90 mm;  
10. ISO 13955 , Plastics pipes and fittings — Crushing decohesion test for 
polyethylene (PE) electrofusion assemblies;  
11. ISO 13956 , Plastics pipes and fittings — Decohesion test of polyethylene (PE) 
saddle fusion joints — Evaluation of ductility of fusion joint interface by tear 
test; and 
12. ISO 17885 , Plastics piping systems — Mechanical fittings for pressure piping 
systems — Specifications.  
9. Proposed date of adoption:  To be determined  
Proposed date of entry into force:  Six months from date of adoption; 6 months from 
adoption  
10. Final date for comments:  60 days from notification  
11. Texts available from:  National enquiry point [X] or address, telephone and fax 
numbers and email and website addresses, if available , of other body:   
Director General  
Malawi Bureau of Standards  
P.O. Box 946  
Blantyre  
 
 
+(265) 887 376 444/445/446/447  
+(265) 1 870 756 (Fax)  
mbs@mbsmw.org  
 
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