NKWUKWU PIPE & FLANGE

TS EN ISO 7005-1-2011 flanges ọkpọkọ - Akụkụ 1: flanges igwe maka sistemu ọkpọkọ ụlọ ọrụ na ọrụ izugbe

TS EN ISO 7005-2-1988 flanges ọla - Nkebi 2: Nkedo flanges ígwè.

TS EN ISO 7005-3-1988 flanges ọla - Nkebi 3: alloy ọla na flanges mejupụtara

ASTM A733-2022

ASTM A1085/A1085M-2022

ASME B16.49 -2023

ASME B16.47-2020 : Nnukwu dayameta ígwè flanges: NPS 26 ruo NPS 60, Metric/inch Standard

ASME B16.5-2020: Ọkpụkpọ ọkpọkọ na ihe nrụnye: NPS 1/2 site na NPS 24, Metric/inch Standard

JIS B 2220-2012: Steel ọkpọkọ flanges

TS EN 1092-2-2023

GB/T 12459-2017

GB/T 29168.1-2021

GOST 12820-1980

GOST 12821-1980

CSA Z245.12-2021: flanges ígwè

AS/NZS 1163-2016: Akụkụ oghere nchara arụrụ arụrụ

AS 2129-2000: Flanges maka ọkpọkọ, valvụ na akwa akwa