... steel couplings 1.Size: 1/8''-6'' 2.Standard: BS ANSI DIN standard 3.Certificate: ISO 9001:2008 4. ... CLASS CSurfaceHot Dipped Galvanized, Electro Galvanized, Natural finished, Chemical blackThreadsDIN, BS, NPT, Metric, BSPT, BSP, NPS (ISO7/1, DIN 2999 ... 5MPaTemperature:-20 ~ 120 °cProduction Capacity60000 MT per YearLead TimeWithin 30 Days if enquiry not more than 10x20' ContainerFactory CertificateISO, ...