โดย: เจ้าของร้าน เมื่อ:8 ปีที่ผ่านมา
Popular couplings have British Standard Pipe (BSP) threads, also known as Whitworth threads. These can be parallel threads (BSPP) with a 30 ํ inverted flare or tapered threads (BSPT), with a 30 ํ inverted flare. Port connections are usually made with BSPP threads and a soft metal cutting ring for sealing.The BSPP (parallel) male…