Also known as thermal insulation jacket ball valve, ball valve on the basis of in welding metal jacket, used to inject steam or other heat, cold medium, the medium to ensure the valve to work properly

(1) Pneumatic ball valve before and after the pipe line is ready. Before and after the pipeline should be coaxial, the two should be parallel to the flange sealing surface. Pipeline should be able to

Jushui Brass Industry Co., Ltd. To create national brand products, to the implementation of independent innovation, enhance core competitiveness of enterprises, efforts to develop high-end valves, ful

Currently in the fine chemical, nuclear power industry, toxic, harmful media and the use of a large number of nuclear power ball valve bellows globe valve and gate valve. Bellows valve stem in the pac

1. Brinell hardness tester and the Rockwell B scale hardness ruler can be used to measure the low-carbon Chromium steel.

In a cap-and-trade program, companies can choose either to lower emissions below the cap, or buy extra allowances. Some worry that if many companies need to buy extra allowances, demand will drive up

(1) cut-off valve: also known as closed-circuit cut-off valve valve, its role is to connect or disconnect the line of media. Cut off valve, including valve, globe valve, plug valves, ball valves, butt

The consent of both the man and the women is an essential element of marriage, and the Qur'an gives women a substantial role in choosing their own life partners. It lays down: