E hiwere NSEN n’afọ 1983, bụ́ ọkachamara n’ihe gbasara valvụ urukurubụba eccentric.Ka afọ nke nyocha na omume gachara, usoro ngwaahịa dị n'okpuru ka emebela:

• valvụ urukurubụba eccentric atọ
• valvụ urukurubụba arụmọrụ dị elu
• Ọla na valvụ urukurubụba ọla
• -196 ℃ Cryogenic urukurubụba valvụ
• Akwa okpomọkụ ọkụ nchedo urukurubụba valvụ
• valvụ urukurubụba damper
• valvụ urukurubụba na-eguzogide mmiri mmiri

Na ngalaba ọkachamara, lekwasị anya na valves nru ububa.NSEN na-emeziwanye ntozu ya mgbe niile ma na-egosipụta ike ya.

• Asambodo sistemu

CE (PED)

ISO 9001

ISO 14001

ISO 45001

• Asambodo akaebe ọkụ

API 607

• Asambodo Mgbapụta dị ala

API 641

ISO 15848-1

TA-LUFT

• Asambodo Russian

TR CU 010/032

• Asambodo ule TPI

Akụkọ nyocha Cryogenic -196 Valve Butterfly

Akuko Nnwale Nnu Na-anọpụ iche (NSS).

Akuko nyocha nke intergranular corrosion (IGC).