High-Speed Seals

Astra Seals AS H6 Customized Stationary Ring Mechanical Seal. Single end, wave spring, balanced, independent rotary direction, static compensation unit structure. Very small operating length, suitable for replacing outerframework oil seals for high speed pump gearboxes. All compensation components preassembled, compact and easy to install. Rotary ring fully customizable based on sealing chamber. Inner diameter: 15 mm to 100 mm. Pressure: ≤5 MPa, Temperature: 40~180°C, Linear Speed: ≤50 m/s. Standard: DIN

Astra Seals AS 07J07D Double Mechanical Seal for Roots Blowers, High Speed Pumps and Gearboxes. Single end, multi springs, balanced, independent rotary direction, still structure. Compact and short structure with preassembled compensation components. Balanced seal face load for high speed operation. Inner diameter: 1580 mm. Pressure: 0~0 MPa, Temperature: 20~180°C, Linear Speed: ≤100 m/s.

Astra Seals AS 08J08D Mechanical Seal for Roots Blowers, High Speed Pumps and Gearboxes. Single end, multi springs, balanced, independent rotary direction, still structure. Compact and short structure with preassembled compensation components. Balanced seal face load for high speed operation. Inner diameter: 1580 mm. Pressure: 0~0 MPa, Temperature: 20~180°C, Linear Speed: ≤100 m/s.

Astra Seals AS 60A51C and 60B51B Mechanical Seal for Roots Blowers, High Speed Pumps and Gearboxes. Single end, multi springs, balanced, independent rotary direction, still structure. Compact and short structure with preassembled compensation components. Balanced seal face load for high speed operation. Inner diameter: 1580 mm. Pressure: 0~0 MPa, Temperature: 20~180°C, Linear Speed: ≤100 m/s.

Astra Seals AS H10 Multi Spring Super Thin and Balanced Mechanical Seal for High Speed Pumps, Blowers, Decelerators, Gearboxes, and Rotating Joints. Single end, multi springs, balanced, independent rotary direction, still structure. Very small operating length suitable for replacing outerframework oil seals. All compensation components preassembled. Inner diameter: 15100 mm. Pressure: ≤5 MPa, Temperature: 40~180°C, Linear Speed: ≤50 m/s.

Astra Seals AS UU7002J Cartridge Mechanical Seal for Roots Blowers and other Blowers. Double end, multi springs, unbalanced, independent rotary direction, cartridge mechanical seal. Compensation ring, stationary ring and sleeve preassembled together. Simple structure, easy installation, stable locking mechanism. Inner diameter: 30300 mm. Pressure: 1~8 MPa, Temperature: 20~180°C, Linear Speed: ≤15 m/s.