China gate valve - China Supplier
China gate valve - China Supplier

gate valve

Machinery & Equipment/Valves/Gate Valves


Contact Info
  • No.606, Huhua Middle Road, Huating, Jiading District, Shanghai, 201811
  • 蔡金河
  • 18800358878
  • 1797400704@qq.com

[Product Applications]

The PZ673H series pneumatic knife gate valves are applied in various industrial fields, especially in the mining and steel industries - for coal and filter slag slurry, in purification devices - for wastewater, mud, sewage and clarified water with suspended solids, in the papermaking industry - for paper pulp and water mixtures of any concentration, and in power plant ash removal - for ash slurry and other professional piping systems.

[Valve Models]

Common pneumatic knife gate valve models include: PZ673H-10C, PZ673H-16C, PZ673Y-10P, PZ673Y-16P, PZ673F-10P, PZ673F-16P.

[Structure Diagram]

[Product Features]

1. Simple structure, beautiful appearance, full through flow passage and small flow resistance coefficient. When the gate plate is lifted, the sticky substances on the sealing surface are scraped off automatically, removing impurities;

2. The stainless steel gate plate can prevent sealing leakage caused by corrosion. The overall stainless steel material prevents corrosion damage and prolongs the service life;

3. Various piping flange standards and flange sealing surface types can be selected, as well as various driving modes such as manual, worm gear drive, electric, pneumatic and hydraulic drive, to meet the different needs of users.

[Execution Standards]

Design specifications: GB/12234, DIN3356

Flange connection: ASME B16.5, GB/T9113, JB/T79, DIN 2543-2545

Testing and inspection: GB/T 13927, DIN3230, API598

[Performance Parameters]


Pneumatic knife gate valve modelPZ673HPZ673YPZ673F
Working pressure (MPa)1.6~2.5, Class150
Nominal diameter (mm)DN50-DN2000, 2″-80″
Applicable mediaWater, oil, gas, acetic acid, nitric acid and other media
Optional materialsValve bodyWCB, CF8, CF8M, CF3, CF3M
Gate plateWCB, CF8, CF8M, CF3, CF3M
Valve stemWCB, CF8, CF8M, CF3, CF3M
Sealing surfaceStainless steel, Stellite alloy, tungsten carbide, PTFE
FillerFlexible graphite, PTFE


[Overall Dimensions]

Overall dimensions of pneumatic knife gate valves under PN1.0MPa
Overall dimensions under PN10 nominal pressure
Overall dimensions of pneumatic knife gate valves under PN1.6MPa
Relevant overall dimensions under PN16 nominal pressure


Machinery & Equipment/Valves/Gate Valves
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