The orbital ball valve is difficult to operate; a simple and easy-to-use device is needed

What are the diameter and pressure rating? The biggest advantage of this type of valve is frictionless operation and ease of use, but it takes longer to open and close compared to ordinary ball valves. What you’re describing is likely an issue with the valve not opening and closing smoothly; it’s necessary to analyze the cause rather than trying to increase the speed of opening and closing directly.

It takes half an hour to switch it on – and you still chose the manual version? Send a picture to take a look?

Half an hour? Why not use a pneumatic ball valve? The advantage of ball valves with tracks is the absence of friction; when they are opened or closed, the ball moves away from the friction surface and is guided by the track channels to rotate. The downside is that such valves are unstable. If it’s a manual valve, there isn’t much that can be done about it. It would be helpful if the user could provide information on the valve’s diameter, pressure, and the medium it handles, so that everyone can use this information for discussion. Recently, there was discussion about whether hard-sealed ball valves could replace those with tracks; perhaps you could share your thoughts on that as well.

The valve in question can still be used at low pressures; it’s likely the inlet and outlet of the hydrogen compressor – what is the pressure level there? Kaiweixi is equipped with a gearbox; actually, operating the track ball valve doesn’t require much effort, it’s just that the process takes a little longer than with ordinary ball valves

Where are you from, OP? We can chat about it. I work with ORBIT ball valves, while Kaiweixi is a counterfeit version

Outlet pressure: 195 kg, inlet pressure: 170 kg. Valves at the inlet and outlet of the cycle hydrogen compressor, DN300, pressure: 2500 LB

With such high pressure, you still dare to use the ORBIT ball valve from Cameron, a domestic brand – it’s truly the best

This post was last edited by 955559 on 2018-9-28 08:08. High pressure differences and large diameters result in wear and damage to the ball pins and tracks, as well as deformation, which makes it difficult to operate the switch. New technology for forced-sealing ball valves: Advanced Engineering Valves in Belgium, a leader in technologies for harsh operating conditions, has developed a new generation of ball valve technology by combining the principles of track ball valves and butterfly valves, as well as the wedge-type sealing principle of gate valves – namely the dual-eccentric forced-sealing ball valve. Valves designed for harsh operating conditions; product range: 1/4” ~ 42”, 150# ~ 4500#, -196 °C ~ 800°C. Key technical features: 1. Mechanical forced sealing, tight shut-off in both directions, with zero leakage from metal seals. 2. During the switching process, the ball does not come into contact with the valve seat, resulting in no friction and thus ensuring a long service life for the seal. 3. Springless design: The forced sealing does not require disc springs for assistance, completely eliminating the risk of valve jamming or sticking caused by spring failure. 4. Valve-free chamber dead zone (single seat, C-type ball): Eliminates the problem of abnormal pressure rise in the valve chamber affecting operational safety ； It solves the problems of cavity polymerization and scaling in traditional valves. 5. Full 360° surface hardening of the valve ball, both on the inside and outside: HVOF coating with chromium carbide, tungsten carbide, etc.; completely seamless for greater resistance to high-pressure scouring and abrasion. 6. Self-cleaning: As soon as the valve is opened, the C-ball immediately loses contact with the valve seat, and the valve chamber and sealing surfaces are scrubbed 360 degrees ； When the valve is closed, the C-ball gradually moves closer to the valve seat, continuously scraping and cleaning the sealing surface of the valve seat until the valve is fully closed. 7. Mounting design – enables online maintenance. 8. True fixed-ball design: low torque, long lifespan. 9. Valve shaft packing with disc spring loading, low dispersion design. 10. The upper and lower bearing design ensures that the packing is not affected by lateral forces; the inner surfaces of the bearings are hardened to guarantee trouble-free operation over a long period of time. Advantages: 1. Simple structure with few components, ensuring high reliability. 2. No pins or tracks, thus eliminating potential issues related to wear and deformation. 3. There is no need for regular lubricant filling to assist the packing seal; high-pressure on-line lubrication poses safety risks. 4. True angular travel ensures good sealing performance of the valve stem packing. 5. Fast opening and fast closing can be achieved. 6. True fixed-ball design; the ball does not vibrate at high flow rates. 7. The auxiliary actuator cylinder features manual operation on the side of the cylinder, ensuring convenient use. The valves are suitable for applications that require high sealing performance and forced sealing – all applications of ball valves. These include dryers, molecular sieve switching valves, hydrogenation units, metering stations, skids, low-temperature methanol washing systems, and liquid nitrogen washing systems. They are also used in natural gas processing plants in oil and gas fields, on platforms, in refining and hydrogenation processes, as well as in ammonia synthesis facilities, and in the production of PP, PE, PO, EO, EG, MTO, etc. AEV is regarded by a major international oil and chemical company as a provider of solutions to valve-related problems; at the beginning of 2018, it was granted a global framework agreement for use in extreme operating conditions – the only such agreement to date – which is utilized in factories and projects around the world.

There’s not much you can do with the manual version; you have to switch to the automatic one

In manual mode, it won’t be like what you described; it should be relatively easy to turn it on. It’s just that the on/off time is relatively long