1. Structural type parameters:
Structure type: single end face, unbalanced type, rubber bellows compensation, multiple springs
Rotation direction: Any rotation direction, regardless of left or right rotation
Transmission method: Bellows fork drive
Allowable axial movement: ± 0.5 mm
Installation standard: DIN24960/GB/T 6556
2. Standard Material Combination (Universal Standard):
Dynamic ring: impregnated resin graphite
Static ring: 99% alumina ceramic
Bellows/auxiliary sealing ring: NBR nitrile rubber (optional Viton fluororubber, oil resistant and high-temperature resistant)
Metal spring, cover: 304 stainless steel
3. Limit parameters for operating conditions:
Sealing chamber pressure: 0~1.2 MPa
Temperature range: NBR -20 ℃~+100 ℃; Fluororubber -20 ℃~+180 ℃
Maximum linear velocity: ≤ 10 m/s
Suitable media: clean water, circulating water, mild sewage, engine oil, weak acid and weak alkali without strong particle media
Applicable pumps: NHRS horizontal chemical centrifugal pump, pipeline circulating pump
