NSEN was founded in 1983, specializing in the field of eccentric butterfly valves. After years of exploration and practice, the existing product series below has been formed:
In the professional field, focus on butterfly valves. NSEN is also constantly improving its own qualifications and proving its strength.
CE (PED)
ISO 9001
ISO 14001
ISO 45001
API 607
API 641
ISO 15848-1
TA-LUFT
TR CU 010 / 032
Cryogenic -196 Butterfly Valve Test Report
Neutral Salt Spray (NSS) Test Report
Intergranular Corrosion (IGC) Test Report