Installation precautions for large welded ball valves
Large-diameter welded ball valves are important valve products commonly used in industrial production, and their safety is crucial. Improper installation may cause safety issues such as uneven force, which can be harmful to personnel and [...]
Valve operating mechanism: 6 tips
1. The opening and closing direction of the valve should always be closed clockwise. 2. Since the valves in the pipe network are often opened and closed manually, the opening and closing revolutions should not [...]
How to correctly check and accept valve products
Valve products are worth every penny, those with an advantage in price generally use their minds in terms of material, valve body size, and valve weight, which leads to the emergence of many 'non-standard' products [...]
Modernized Grande’s production line
In August 2021, Grande's stainless steel threaded ball valve lean production line was officially put into operation. In the past three months, compared with the traditional production method, the production efficiency has increased by 30%, [...]
Analysis of Fracture Failure of Ball Valve Stem
The pipeline ball valve is an indispensable element for controlling medium in the oil and gas pipeline. An imported pipeline ball valve used by a certain unit had a valve stem fracture accident at the [...]
How to source a reliable Chinese supplier?
Get in touch with at least 10 potential suppliers, to evaluate if they could match you. Request quotations from them, to get a first pricing, then you will likely get several very similar quotes, that's [...]
Reasons for using fully welded ball valves in the heating pipe network
Heating pipe network generally problems The heating pipe network is often buried underground. In order to control the valve, a tall valve well needs to be built. Rain or snow water will flush the garbage [...]
Precautions for the use of forged steel valves
Forged steel valves often ignore the problem of grease injection. After the grease injection gun is refueled, the operator selects the valve and the grease injection connection method, and then performs the grease injection operation. [...]
4 fatal points when choosing natural gas pipeline valves
Point 1 Natural gas transported by pipeline contains a large amount of hydrogen sulfide (a toxic and highly corrosive gas) before desulfurization. Even the natural gas that has undergone desulfurization and other processes still has [...]
Valve sealing principle
There are many kinds of valves, but the basic function is the same, that is, to connect or cut off the flow of the medium. Therefore, the sealing problem of the valve is very prominent. [...]