Parallel thread for pipe

pipe parallel thread It is a non-sealing thread. The inner and outer teeth cannot be completely sealed after locking. To prevent leakage, gaskets and O-rings are usually used. You can also wrap anti-leak tape on the surface of the thread, or apply sealant. Its mountain shape has rounded corners, and the angle of the mountain is 55°, marked with G in the ISO 288-1 standard, and is recognized by the German DIN EN ISO 288-1, Japanese JIS B 0202, and British BSP PL and other standard references. PF is the specification name of the old JIS standard. Simply put, G = PF = BSPP.