Descriptions:

Single Seal & Unbalanced
*Independent of Direction of Rotation
*Elastomer Bellows
*To DIN 24960

BIA series is commonly used mechanical seal. It transmits torque through rubber bellows. The seal has compact structure and small axial size. This seal is commonly used for oil, Water and other weak corrosive medium. It can also be used as double seal through double compensational ring.

Operating limit
specification: 18~90mm
Pressure: ≤1.0Mpa
Temperature:-20~120 Celsius
Linear speed: ≤10m/s
Axial movement: +/-1.0mm

Combination of materials
Seal face: Graphite, Silicon carbide, Tungsten carbide ,Aluminum oxide
Secondary sealing: tetrafluoroethylene.
Metal component: Stainless steel

Metric Size	D3	D1	L1	L2
14	27.5	30	19.0	5.0
16	28.5	32	21.0	5.0
18	31.2	35	22.5	7.5
20	31.7	35	21.0	8.0
25	40.2	40	25.5	8.0
28	44.1	43	25.5	8.0
30	45.1	45	25.5	9.0
32	49.0	48	33.5	9.0
33	49.0	48	33.5	9.0
35	50.2	50	33.5	9.0
38	55.3	56	33.5	9.0
40	57.0	58	33.5	9.0
43	60.7	61	36.5	9.5
45	62.5	63	38.0	9.5
48	66.5	66	38.0	9.5
50	68.6	70	38.0	9.5
53	70.8	73	41.0	9.5
55	72.4	75	41.0	9.5
58	80.0	78	42.0	9.5
60	83.0	80	42.0	9.5
65	87.2	85	42.0	10.0
70	91.6	92	45.0	11.0
75	99.4	97	47.0	12.0
80	104.6	104	55.0	12.0
85	111.0	109	64.0	12.0
90	113.0	114	66.0	12.0