product description：

1、end face

2、Balanced

3、Arbitrary rotation

4、Rubber bellows

A21 series seals are mainly used for clean water pumps, submersible pumps, etc.

Standard operating parameters：

Specification:10～100 mm

pressure∶ ≤1.2 Mpa

temperature:-20～180℃

Line speed:≤15 m/s

material combination：

seal face:

Graphite, Silicon Carbide, Tungsten Carbide, Alumina

Auxiliary Seal:

Nitrile rubber, fluorine rubber, ethylene propylene rubber

Metal components:

Stainless steel