The design performance is the same as that of the AH7 series. Except for the installation length of the drive seat, other installation dimensions (d1<100mm) conform to the DIN24960 standard; it is suitable for media that are easy to crystallize, contain particles, and contain fibers.
product description：
1. Double end face
2. Balanced
3. Arbitrary rotation
4. Multi-spring structure
The design performance is the same as that of the AH7 series. Except for the installation length of the drive seat, other installation dimensions (d1<100mm) conform to the DIN24960 standard; it is suitable for media that are easy to crystallize, contain particles, and contain fibers.
Standard operating parameters：
Specifications: 14～200mm
Pressure: ≤4.0 Mpa
Temperature: -50～220℃
Linear speed: ≤20 m/s
Axial play:
d1≤100: ±0.5mm
d1>100: ±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
AH74-D threaded pump structure is mainly used in sealing fluid
Pumps or equipment that require self-circulation, other sealing performance is equivalent to the standard type.
