AH7 series seals are widely used and have good interchangeability; the static ring adopts floating type, which is easy to install and has reliable performance; it is widely used in petroleum refining, chemical industry and other industrial fields.
product description：
1. Single end face
2. Balanced
3. Arbitrary rotation
4. Comply with EN12756 (DIN24960) standard
AH7 series seals are widely used and have good interchangeability; the static ring adopts floating type, which is easy to install and has reliable performance; it is widely used in petroleum refining, chemical industry and other industrial fields.
Standard operating parameters：
Specifications: 14～200mm
Pressure:≤6.0 Mpa
Temperature: -50～220℃
Linear speed: ≤20 m/s
Axial movement: ±0.5mm
Axial play：
d1≤25:±1.0mm
d1≥28～63 : ±1.5mm
d1≥65:±2.0mm
material combination：
Sealing face:
Graphite, Silicon Carbide, Tungsten Carbide, Alumina
Auxiliary Seal:
Nitrile rubber, fluorine rubber, ethylene propylene rubber, PTFE
Metal components:
Stainless steel
torque transmission：
AH75 multi-spring structure, suitable for occasions with large axial movement;
AH76 single-spring structure, suitable for occasions with larger axial movement;
AH7F, AH75F with threaded pump, suitable for the sealing chamber liquid needs self-circulation conditions.
