Q347F type fixed ball valve

Structure and characteristics

Full bore design

According to customer requirements, full-diameter or reduced-diameter valves can be provided. Full-diameter valves have a channel diameter that is exactly the same as the inner diameter of the pipe, reducing eddy currents and facilitating pipe cleaning.

Obstruction and excretion function

The fixed ball valve adopts spring preload, the valve seat is sealed with double pistons, and the piston principle is used to seal, the upstream and downstream valve seats block the fluid, the valve body is equipped with a vent valve for emptying, and the valve bottom is equipped with a drain valve for draining, which is convenient for pipelines. Clean.

Automatic pressure relief

When the stagnant medium in the valve cavity rises abnormally due to temperature rise, the outlet end of the valve seat has an automatic pressure relief function. At the same time, a safety valve can be installed on the valve body as needed to ensure that the valve body has an automatic pressure relief function and ensure the pipeline Safety.

Fireproof structure

In the event of a fire or abnormal heating that causes the PTFE to soften and burn, the fire-proof sealing surface of the valve seat support ring can be contacted with the sphere, which plays a sealing role and complies with API607 and API6FA.

Sealed emergency rescue

Due to the accidental failure of the valve seat sealing caused by the magazine or fire in the medium, the grease injection valve provides a quick connection with the grease injection gun, which can inject the sealing grease into the seat sealing part conveniently and quickly, and alleviate leakage.

Anti-static design

The use of chromium-nickel stainless steel springs and small balls make the ball, valve stem and valve body conductive to each other, thereby completely releasing static electricity.

Q347F fixed ball valve two-part and three-part fixed worm gear fixed ball valve, also known as side-mounted split ball valve, divides the valve body into asymmetrical left and right halves along a section perpendicular to the axis of the valve channel. It is mainly used in pipelines Cut off, distribute and change the flow of media. Its pivot structure ensures accurate ball position. The standard valve seat adopts a spring structure, which pushes the valve seat to the sphere, ensuring a good low-pressure sealing performance. The valve seat of the ball valve can be sealed before and after the valve, that is, the so-called two-way sealing feature, using the built-in discharge valve, the cavity of the valve body can be discharged to the outside. The pivot adopts an anti-blowout protection structure, bearings with low friction coefficient, etc. The company has the advantages of excellent performance, high reliability, wide range of uses, and reasonable price. The Q347F fixed ball valve is suitable for chemical, petroleum, natural gas, metallurgy, and other industries and long-distance natural gas pipelines containing hydrogen sulfide media, many impurities, and serious corrosion.