Igbe paịpụ na paịpụ

alt=See caption|thumb|Ihe eji etinye ọkpọkọ: 1) ọla kọpa (mkpịsị ugodi); 2) ígwè ma ọ bụ ọla kọpa; 3) ọla kọpa, 4) ọla kọpa.
A n'eji ihe eji etinye ma ọ bụ nkwụnye mee ihe na usoro ọkpọkọ iji jikọta akụkụ nke ọkpọkọ (nke a họpụtara site na nha aha, na nnagide dị ukwụụ) ma ọ bụ ọkpọkọ.  A n'eji ihe ndị a eme ihe na pọmpụ iji chịkwaa mbufe nke mmiri dị ka mmiri maka ite, ịgba mmiri, ịdị ọcha, na ebum n'uche friji, gas, mmanụ, Mmiri mkpofu, ma ọ bụ ihe ọ bụla ọzọ mmiri ma ọ bụ gas chọrọ n'ụlọ ma ọ bụ azụmahịa, n'ime usoro ọkpọkọ ma ọ bụ tubes, jikọtara site na ụzọ dị iche iche, dị ka ihe a n'ebute, na ihe a g'etinye ha, dị ka soldering, mortaring, caulking, friction weldings.

Fittings n'enye ohere ka ọtụtụ ọkpọkọ jikọọ iji kpụchie ogologo oge, mụbaa ma ọ bụ belata nha ọkpọkọ ma ọ bụ ọkpọkọ, ma ọ bụ gbasaa netwọk site na alaka, ma mee ka usoro dị mgbagwoju anya karịa ka enwere ike inweta naanị ọkpọkọ ọ bụla. Valves bụ ihe ndị pụrụ iche nke n'enye ohere ịchịkwa mmiri n'agafe n'ime usoro pọmpụ.

 Ụkpụrụ 
A n'agbaso koodu ọkọlọtọ mgbe ị n'emepụta (ma ọ bụ n'emepụta) usoro ọkpọkọ. Òtù ndị n'akwalite ụkpụrụ ọkpọkọ gụnyere:

 ASME: American Society of Mechanical Engineers
 A112.19.1 Enameled cast-iron na ígwè plumbing fixtures ọkọlọtọ
 A112.19.2 Ihe eji eme paịpụ mmiri Ceramic
 ASTM International: American Society for Testing and Materials
 API: American Petroleum InstituteỤlọ Ọrụ Na-ahụ Maka Mmanụ Ala nke America
 AWS: American Welding Society
 AWWA: American Water Works AssociationÒtù Na-arụ Ọrụ Mmiri nke America
 MSS: Ndị n'emepụta Standardization Society
 ANSI: American National Standards Institute
 NFPA: National Fire Protection Association
 EJMA: Mgbasawanye Njikọ Ndị Na-emepụta Ihe
 CGA: Njikọ Gas Compressed
 PCA: Usoro Pumping nke AustraliaUsoro Ntinye Mmiri nke Australia

 ASME B36.10M: Pịpu ígwè a wụrụ awụ na nke a na-ejighị awụnye
 ASME B36.19M: Ọwa ígwè na-enweghị ụrọ
 ASME B31.3 2008: Usoro piping
 ASME B31.4 XXXX: Power piping