Product Introduction
The orbital ball valve and the gate valve are the same types of valves. The difference is that the closing part is a ball. The ball rotates around the centerline of the valve body to achieve opening and closing. The ball valve is mainly used in the pipeline to cut off, distribute and change the flow direction of the medium. The ball valve is a new type of valve widely used in recent years

structure type
The orbital ball valve can be divided according to the structure:
Floating ball valve: The ball of the ball valve is floating. Under the action of medium pressure, the ball can produce a certain displacement and press tightly on the sealing surface of the outlet end to ensure the sealing of the outlet end. The structure of the floating ball valve is simple, and the sealing is good, but the load of the working body of the ball is transferred to the outlet sealing ring, so it is necessary to consider whether the sealing ring material can withstand the working load of the ball medium. This structure is widely used in low-pressure ball valves.
Fixed ball valve: The ball of the ball valve is fixed and does not move after being pressed. Fixed ball valves are equipped with floating seats. After receiving the pressure of the medium, the seats move, so that the sealing ring is pressed tightly on the ball to ensure the seal. Usually, bearings are installed on the upper and lower shafts of the sphere, the operation torque is small, and it is suitable for high pressure and large diameter valves. In order to reduce the operating torque of the ball valve and increase the reliability of the seal, oil-sealed ball valves have appeared in recent years. Both special injections of lubricating oil is injected between the sealing surfaces to form an oil film, which enhances the sealing performance and reduces the operating torque, More suitable for high-pressure large-caliber ball valves.
Elastic ball valve: The ball of the ball valve is elastic. Both the ball and the seat sealing ring are made of metal materials, and the specific pressure of the seal is very large. The pressure of the medium itself can not meet the requirements of the seal, and an external force must be applied. This valve is suitable for high temperature and high-pressure media. The elastic sphere is formed with an elastic groove at the lower end of the inner wall of the sphere to obtain elasticity. When closing the channel, the wedge-shaped head of the valve stem is used to expand the ball and compress the valve seat to achieve a seal. Loosen the wedge head before turning the ball, and the ball will return to its original shape so that there will be a small gap between the ball and the valve seat, which can reduce the friction and operating torque of the sealing surface. 

FAQ:
Q: Are you a trader or manufacturer? 
A: We are a manufacturer. We design, develop, manufacture, test and sell industry valves, including ball valves, gate valves, globe valves, check valves, butterfly valves, safety valves, plug valves, bellows valve, needle valves, knife gate valves, flanges and valve fittings.

Q: What kind of certification do you have?
A: We have API 6D, API600, API602, API609, API 607&API 6FA, ISO9001, ISO14001, OHSAS18001, CE&PED and EAC certification.

Q: How long is your delivery time?
A: Generally it is 2-7 days if the goods are in stock. For large quantity, as usual, it can be sent out within 10-40 days. 
    Small parcel will be dispatched by DHL, FedEx, UPS or TNT Courier. 
    Big cargo will be delivered by Air freight or By Sea. 

Q: Do you provide samples?
A: We can provide samples production and service. We will choose the shipping way as you required: By sea, by air or by express. Any questions about samples, please contact us.

Q: What about OEM products? 
A: We will finish the production within 30-40 days after payment has been confirmed. 
   We will choose the delivery way as you required: by sea, by air or by express. 

Q: Can you produce the products according to my own drawings?
A: Yes, we can produce the products according to your drawings that will be most satisfy you.

Welcome to inquiry other related product. Any question or problem will respond within 12 hours.