News

What Pipelines Are Full Bore Plug Valves Suitable For?

26 Oct, 2026

Not all pipes require the use of full-bore plug valves. For pipeline systems that need low flow resistance, stable flow, or frequent cleaning and inspection, full-bore plug valves are a better choice.

Third-Party Inspection for Plug Valves: What to Prepare for BV, DNV and SGS Inspection

12 Oct, 2026

In international petroleum, natural gas, chemical, power and engineering projects, sometimes the plug valves need to be inspected and witnessed on-site by a thi

CN7M Pneumatic Plug Valve: An Automated Shut-off Solution for Corrosive Media

27 Sep, 2026

ZZJG VALVE offers pneumatic plug valves made of CN7M alloy. Featuring a valve body cast from corrosion-resistant CN7M alloy and equipped with a pneumatic actuator, this product is designed for industrial piping systems that demand high corrosion resistance and automated operation. Thanks to the excellent corrosion resistance of CN7M, the valve is suitable for a wide range of corrosive media applications, making it ideal for shut-off and isolation tasks in the chemical, petroleum, petrochemical, and other industrial sectors.

Eccentric plug valve: A reliable and durable solution in industrial fluid control

23 Sep, 2026

The eccentric plug valve is a high-performance rotary valve. By simply rotating 90 degrees, it can complete the opening and closing actions. This valve is widely used in industrial fluid control systems. It can precisely regulate the flow of fluid. It can also safely cut off the fluid in the pipeline.

How To Handle Stuffing Box Leakage In a Plug Valve?

14 Sep, 2026

In industrial pipelines such as petroleum, chemical, and heating industries, plug valves are frequently used for media shut-off and control. Stuffing box leakage at the valve stem is a common problem in the field. Workers can usually see liquid seeping between the valve stem and the valve body, or find gas leaking from the stuffing box.

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