Valve Manufacturing Service Provider
Apr 17,2025
A butterfly valve, also known as a flap valve, is a regulating valve with a simple structure. It can be used for on-off control of low-pressure pipeline media. A butterfly valve refers to a valve in which the closing member (valve disc or butterfly plate) is a disc that rotates around the valve axis to achieve opening and closing.
Company News
Apr 17,2025
In accordance with the relevant provisions of the "Management Measures for the Certification of High-tech Enterprises" (Guokefahuo [2016] No. 32) and the "Guidelines for the Management of the Certification of High-tech Enterprises" (Guokefahuo [2016] No. 195), the fourth batch of 228 high-tech enterprises registered and reported by the Henan Certification Agency in 2024 (see the attachment for details) are hereby announced.
Company News
Apr 17,2025
Zhengzhou Zhongnan Valve Co., Ltd. was recognized as a high-tech enterprise
On December 24, the official website of High-tech Enterprise Certification disclosed an announcement on the filing of the fourth batch of high-tech enterprises certified and reported by the Henan Provincial Certification Agency in 2024. Zhengzhou Zhongnan Valve Co., Ltd. was on the list, with certificate number GR202441003423 and issuance date of December 24, 2024.
Company News
Apr 17,2025
The difference in softness and hardness of sealed butterfly valves
Hard seal: A seal where both sides of the sealing pair are made of metal or other harder materials is called a "hard seal".
Company News
Apr 17,2025
Introduction to the structural characteristics of parallel gate valves and wedge gate valves
Gate valve refers to a valve whose closing element (gate) moves vertically along the centerline of the passage. Gate valves are mainly used for cutting off in pipelines.
Company News
Apr 17,2025
Characteristics and installation of electric butterfly valve
Electric butterfly valve is an important execution unit in the field of industrial automation control.
Company News
Apr 17,2025
The structural differences between soft sealed butterfly valves and hard sealed butterfly valves
Soft sealed butterfly valves are mostly of the medium line type, while hard sealed butterfly valves are mostly of the single eccentric, double eccentric, or triple eccentric types.
Company News
Apr 17,2025
Working principle of pneumatic clamp type hard seal butterfly valve
Pneumatic clamp type hard sealed butterfly valve is a pneumatic valve that uses a circular butterfly plate that rotates with the valve to achieve opening and closing
Company News
Apr 17,2025
How to ensure the service life of knife gate valves
To ensure the service life of the knife gate valve, the structure of the valve and the materials of the main components must be selected according to the working conditions, otherwise it will inevitably reduce the service life of the valve.
Company News
Apr 17,2025
How to choose a soft sealed flange butterfly valve
When choosing a soft seal flange butterfly valve, the following factors need to be considered
Company News
Contact
E-mail:znzdvalve@gmail.com
Address：No. 1, Jinniu Road, Xingyang City, Henan Province, China
Online Consultation
Leave your contact information and get a free product quote
Transportation
Support air, land and sea transportation
Customization
Offering options for customers to customize
Enjoy A Discount
Customers can negotiate the purchase price
Phone/WhatsApp:
Email:
Get A Quote
Expand your business with a trusted partner