Company News - Zhengzhou Jinggong Technology Co., Ltd

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The Application of Blind Valves in the Petrochemical Industry of Indonesia

The Application of Blind Valves in the Petrochemical Industry of Indonesia

... 2026/07/22

Material Selection for Blind Valves Working at -40°C

Material Selection for Blind Valves Working at -40°C

... 2026/07/10

ZZJG Blind Valve Delivered to PETRONAS

ZZJG Blind Valve Delivered to PETRONAS

ZZJG Valve supplied 15 sets of line blind valves to a petroleum company in Malaysia.These valves follow ASME standards, with pressure classes 150 LB and 300 LB.They are used for positive isolation in pipelines.... 2026/07/04

The Key Role of Goggle Valves in Metallurgical Gas Pipeline Networks

The Key Role of Goggle Valves in Metallurgical Gas Pipeline Networks

Goggle valves (also known as fan-shaped goggle valves, blind valves) are specialized safety shut-off valves designed to solve this problem.They achieve complete isolation or conduction of the medium through the rotation of the blind plate and through-hole plate on the gate, creating a physical, abso…... 2026/06/30

Flap Valve: an automatic backflow prevention device in water conservancy projects

Flap Valve: an automatic backflow prevention device in water conservancy projects

In water conservancy systems, flap valve is not used in large numbers, but they very imporant. Its core function is to stop outside water and mediums from flowing back into pipeline systems.It shuts off automatically by its own weight， no need for manual supervision, super easy and convenient to use…... 2026/05/15

Blind Valves Applications in Iron and Steel Industry

Blind Valves Applications in Iron and Steel Industry

In the complex industrial field of steelmaking, involving high temperatures, high pressures, and flammable and explosive media, absolute isolation of the pipeline system is crucial for ensuring production safety and process stability. Blind valves, also known as spectacle valves or baffle valves, ha…... 2026/04/22

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