1、Function: The plug is inserted into the mother pipe or pipe fitting and connected with the NPT thread to form a tighter seal than a straight thread. 2、Practical: Designed with exquisite structure, good flexibility, has high strength, hand polished has high reliability, can play a strong blocking role. 3、Material: Made of high strength 316 stainless steel material, which is wear resistant, corrosion proof, deformation resistant, anti aging and durable. 4、Application: Pipe fittings are components used for connecting, terminating, controlling flow, and changing the direction of pipe 5、Fine Workmanship: Professional manufactured, exquisite workmanship with unique design, ensure stable performance and high reliability.