... "-4" Thread standard: DIN,BSP/BSPT AND NPT male and female socket1.Body material:stainless steel 304 and 316304 C%<0.08 Mn%<1.5 ... of team,gas,water,oil3.Thread type:DIN, BSP/BSPT AND NPT4.Size limited: diameter within 4 inches.5.Craft:Silica ... : 150LBS 10.55KGS/CM2 of water pressure.7.Temprature:304 and 316 are not recommended for service at temperatures in excess ...