

1. Key Technical Advantages of This Product
Quick-opening blank flanges are mainly used for pressure pipelines and pressure vessel quick doors, serving as the primary components under pressure. The expansion ring-type quick-opening blank flange is composed of components such as the cylinder flange, head cover, expansion ring, opening and closing mechanism, and sealing ring. The expansion ring-type quick-opening blank flange features compact structure, light weight, good sealing performance, safety and reliability, and easy and quick operation. It ensures the safe operation of pressure pipelines and pressure vessels.
2. Key technological innovation points of this product
a. Utilizes servo-tensioned double-唇 sealing rings, featuring oil-resistant fluoroelastomer sealing rings, with optimized design for the sealing ring angles.
b. The涨环is made of bi-directional steel and high-toughness materials such as 35CrMoA.
c. Equipped with safety interlocking devices and audio-visual alarm systems.
3. Key Technical Specifications of This Product
a. Nominal Diameter Dn: 200mm - 1800mm
b. Nominal Pressure Pn: 1.0 - 40 MPa
c. Working Medium: Oil, Gas, Water


