Ball valve features

One; wear resistance; because the Trunnion ball valve core and hard seal ball valve is alloy steel spray welding,
Three piece ball Instrumentation ball valve
The sealing ring is alloy steel welding, so the hard seal ball valve does not produce wear too much in the switch. (coefficient of hardness of 65-70):
Two; the sealing property is good; because the sealing hard seal ball valve is the use of artificial grinding, until the spool and the sealing ring is completely consistent to use. So his sealing performance is reliable.
Three; the switch light; because the sealing ring at the bottom of the spring and hard seal ball valve of the sealing ring and the valve core clung together, so in the pre tightening force of outside forces over the spring switch is very light.
Four; the service life is long, has been widely used in petroleum, chemical, power generation, paper, nuclear energy, aviation, rockets and other departments, as well as people's daily life.
Pneumatic ball valve has the advantages of compact structure, reliable sealing, simple structure, easy maintenance, sealing surface and spherical often in the closed state, the media can not easily be eroded, easy operation and maintenance for water, solvents, acids, and natural gas general working media, mainly used for cut off or connected tube road of medium, can also be used for the regulation and control of fluid.

Card sleeve needle valve to cut off or regulate flow.

FD-LOK Inconel needle valves sleeve needle-like, along the flow direction of the movement, changed the flow cross-sectional area, adjust the gas flow, is now fine-tuning of the valve requires the valve port open gradually become larger, if the maximum energy from the closed to the open continuous finely adjusted. Such a card sleeve needle valve seal PTFE sealing materials, copper seals, carbide seal; and now according to different pressures, different temperatures, using a FD-LOK Needle valve structure and corresponding seal, so that you can ensure that the valve leak does not happen in the state of work pressure, then the seal is not deformed at the appropriate temperature under such conditions, under the premise of no deformation Mifengbuyan phenomenon does not occur.

Selection principles stainless steel needle valve

1, the piping systems and devices require cryogenic medium, the best selection of plus bonnet cryogenic needle valve.
2, the pipeline system FCCU refining device, you can use the lift FD-LOK inconel needle valve.
3, apparatus and piping systems of chemical systems and other corrosive acid medium, the best selection of austenitic stainless steel valve seat ring of stainless steel needle valve.
4, during the time flow regulation, to use traditional worm, pneumatic or electric with a V-shaped opening regulating needle valve.
5, city gas pipeline and natural gas, use thread connecting flange connections and FD-LOK Instrument needle valve.

Corrosion method needle valve

To know preservative is very important for a product, directly affect the normal use, the FD-LOK stainless needle valves Take for instance, it is relative to the main body corrosion, the material it uses stainless steel or carbon steel . Although the method of corrosion of materials a lot of very rich, but the application can not be appropriately or a more difficult matter, because of corrosion problems are quite complicated and more difficult.
First, in the selection of the time there is great difficulty, not only consider the anti-corrosion properties, but also need to consider the ability to withstand high temperatures. Under pressure and temperature is not high, the use of non-metallic materials to make the valve body, often can be effective anti-corrosion, the outer surface of the FD-LOK Stainless steel needle valve body will be exposed to atmospheric corrosion, usually applied paint to give protection.

Needle valve products have good performance

Good regulation FD-LOK Instrument needle valve. Under normal circumstances, the adjustment range of the needle valve is in the category of 100 to 200, and the current market is a good point adjustment range of the valve is also only reached 50.
Good flow performance needle valve. Needle valve of the flow path is used in the form of pass-through, so that the flow of the medium is no longer needed turning, largely reducing the medium may be deposited. Making it ideal for high viscosity, suspension, pulp and other unclean media sites.
Needle valve good cutting performance. A most important feature have FD-LOK high pressure needle valves is contact spherical valve and valve seat between the ramp is used in the form of line contact, thereby reducing the contact surface, further reducing the valve leak rate.

Situation gas needle valve

The gap between China and foreign valve industry patriarch industry is obvious, by contrast also allows us to see the shortcomings of their own technology, we can only continue research and study to narrow the gap, and ultimately to improve the situation of domestic valve industry. I'm in the FD-LOK Stainless steel needle valves industry, the industry also have to understand the market and found that there are four major integrated Gap:
1, the gap on the technological innovation capability;
2, machining gap workmanship;
3, the gap between the quality of management and equipment;
4, the gap flow management.
Next, look at the specific analysis for everyone: in innovation behind our ability to do a lot, which is a direct impact on the domestic impact of the valve stumbling block, the current domestic valve industry innovative design water products is not high, some domestic companies have some degree of research and development conditions, but R & D personnel are limited by the lack of facilities and funds, so the R & D capability and technical services relatively closed. So we want to change the status of the valve industry, only to change some of the above problems, seize the key, step by step to improve the industry's need to believe that the future of domestic FD-LOK Inconel needle valves will go in the world!