Stainless steel ball valve and brass ball valve
are all belong to ball valve product. The difference between them is
material, work performance and medium. They are all easy to be operate
and repair. They have compact structure.
Brass valve is application to water, solvent, acid, gas and other general working media. But stainless steel ball valve is used for media which with bad working conditions. Such as media contain sulfuric acid, oxygen, hydrogen peroxide, methane and ethylene. Generally speaking, the material of brass ball valve is brass. The stainless steel valve always adopts other material, such as 301,304,316 and so on.
steel ball valve is cheaper than brass ball valve in large caliber.
Medium temperature range of copper ball valves is much higher than
stainless steel ball valve. When the temperature is exceed 80℃, you must
choose brass ball valve. Stainless steel valve can close tight by
rotating 90 degrees and with little rotating torque. Complete equality
of the body cavity provides little resistance and straight flow channel
for medium. In general, ball valve is most appropriate for opening and
closing directly. But recent years, ball valve design has become
throttle and control flow.