Name:carbon steel coupling/socket Material:carbon steel Size:1/8"--4" Thread standard:BSP,DIN ,NPT,BSPT Specifications:1. Material:carbon steel2. ... Size: 1/8"-4"3. Standard: ANSI, ASTM, DIN, ... BS, JIS4. Thread:DIN,BSP,BSPT,DIN 5. Pressure:150LBS6. Technological ...