NSEN yakavambwa muna 1983, ichishanda mundima ye eccentric butterfly valves.Mushure memakore ekuongorora uye kuita, iyo iripo chigadzirwa nhepfenyuro pazasi yakaumbwa:

• Triple eccentric butterfly valve
• High performance butterfly valve
• Simbi kune simbi butterfly valve
• -196 ℃ Cryogenic butterfly valve
• High tembiricha moto kudzivirira butterfly vharafu
• Damper butterfly valve
• Mvura yegungwa inodzivirira butterfly valve

Mundima yehunyanzvi, tarisa pane butterfly mavharuvhu.NSEN inogara ichivandudza hunhu hwayo uye kuratidza simba rayo.

• System Certification

CE (PED)

ISO 9001

ISO 14001

ISO 45001

• Fire Ufakazi Certification

API 607

• Low Emission Certification

API 641

ISO 15848-1

TA-LUFT

• Russian Certification

TR CU 010 / 032

• TPI Test certification

Cryogenic -196 Butterfly Valve Test Report

Neutral Salt Spray (NSS) Test Report

Intergranular Corrosion (IGC) Test Report