Z940, Z941 electric gate valve main purpose of high pressure flange connection gate valve is suitable for nominal pressure PN1.6 ~ 16.0MPa, operating temperature ≤ -29 ℃ ~ 550 ℃ petroleum, chemical, hydraulic, thermal power station pipeline of various systems, cut off or connect the pipeline medium. Applicable media are: water, oil, steam, and acid, alkali, ammonia, urea, sulfur-containing natural gas. Operation mode: manual, gear drive, electric, pneumatic and so on.

Structure and features

1. Selection of materials is exquisite, in line with the relevant standards at home and abroad, and the overall quality of the materials is high.

2. It meets the requirements of advanced standards at home and abroad, with reliable sealing, excellent performance and beautiful modeling.

3. The sealing pair is advanced and reasonable, and the sealing surfaces of gate and seat are made of different hardness of Stellite cobalt-based cemented carbide surfacing, with reliable sealing, high hardness, wear-resistant, high temperature-resistant, corrosion-resistant, good scuff-resistant performance and long service life.

4. The valve stem is tempered and surface nitriding treatment, has good corrosion resistance, anti-scratch and wear resistance.

5. Adopting wedge-type elastic gate structure, medium and large caliber set thrust bearing, friction is small, and equipped with impact manual, opening and closing easily and freely.

6. Various piping flange standards and flange sealing surface forms can be used to meet various engineering needs and user requirements.