The three is a pipe fittings and a pipe connection. Also called pipe fittings three or three pipe fittings, three connection, used in the main pipe to branch pipe.
The three way is a three port, that is, an import, two exports, or two imports, and a chemical pipe for export. It has T shape and Y shape, has equal diameter orifice, and also has different diameter orifice, which is used for three same or different pipeline gathering place. The main function of the three pass is to change the direction of the fluid. The following are some of its basic divisions:
1. According to the size of the pipe
1. The end of the nozzle with equal diameter three is the same size.
2. The three - pass pipe with different diameter is of the same size, and the pipe size is less than the pipe size of the pipe.
Two. Divided by material:
Carbon steel, cast steel, alloy steel, stainless steel, copper, plastic, Aluminum Alloy, argon Ge Lek, PVC etc..
Three. Dividing by making methods
Top making, pressing, forging, casting, etc.
Four. Division of manufacturing standards
GB, electricity standard, standard, standard, American Standard, German standard, Japanese standard, Russian standard, as follows: GB/T12459-2005, GB/T13401-2005, ASME, B16.9, SH3408, SH3409-96, SH3410-96, HG/T21635, DL/T 695, SY/T 0510, DIN 2615.