Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
Unidirection
Industrial Usage, Water Industrial Usage
API 602 Forged Stel A105 Cl800 Check Valve
API 602, Asme B16.34
Asme B16.34
Asme B16.10
RF, NPT, Bw, Sw, BSPT, FF, Rtj
Dnv CE 0575
ISO 9001: 2008
Standard Sea Worthy
ANSI, DIN, JIS, ISO, GOST