How to Buy A Triangular Valve?

First, learn what kind of lower triangle valves are. The triangular valve can be divided into brass, alloy, iron and plastic according to the shell material. Brass easy to process, strong plasticity, hardness, anti-folding and twisting force. Alloyis low cost, the disadvantage is low anti-folding twisting force, surface oxidation. And iron is easy to rust, pollution of water. In today's environmentally friendly and low-carbon society is not recommended. Plastics, though inexpensive, are not easy to use in the very cold north.

When shopping for triangular valves, we should give priority to all-copper triangular valves and view the inspection reports. In the case of sufficient light, the triangular valve can be placed in the hand straight after observation, the surface should be bright as a mirror, without any oxidation spots, no scorching marks, and close to see no pores, no blistering, no leakage plating, color uniform; Consumers should pay attention to the sales staff to request the report of the year, and issue detailed bills.