Burgmann Type 7N

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Materials:
Rotary Ring:SiC/TC
Stationary Ring: SiC/TC
Secondary Seals: NBR/FPM/EPDM
Metal parts: SS304/SS316

Applications:
Shaft Size =20 ～100mm
Pressure: 0.8 Mpa
Temperature: -20 ～ 150 ℃
Speeds: 13 m/s
Oil,water,sewage water and general corrosive

Features:
•Internally mounted,single face,large spring,unbalanced structure and driven by closed coin each end.
•The installation dimensions conform to the standard of GB6556,ISO03069 and DIN24960,which have a wide application range.

MODEL	D1	D3	D4	D6	D7	D8	L	L3	L4	L5	L6	L10
7N-18	18	32	34	27	33	3	45	35	10	2	5	17.5
7N-20	20	34	36	29	35	3	45	35	10	2	5	17.5
7N-22	22	36	38	31	37	3	45	35	10	2	5	17.5
7N-24	24	38	40	33	39	3	50	40	10	2	5	17.5
7N-25	25	39	41	34	40	3	50	40	10	2	5	17.5
7N-28	28	42	44	37	43	3	50	40	10	2	5	17.5
7N-30	30	44	46	39	45	3	50	40	10	2	5	17.5
7N-32	32	46	48	42	48	3	55	45	10	2	5	17.5
7N-35	35	49	51	44	50	3	55	45	10	2	5	17.5
7N-38	38	54	58	49	56	3	57	44	13	2	6	20
7N-40	40	56	60	51	58	4	57	44	13	2	6	20
7N-45	45	61	65	56	63	4	62	49	13	2	6	20
7N-50	50	66	70	62	70	4	61	47	14	2.5	6	21
7N-55	55	71	75	67	75	4	71	57	14	2.5	6	21
7N-60	60	80	85	72	80	4	71	57	14	2.5	6	21
7N-65	65	85	90	77	85	4	81	67	14	2.5	6	21
7N-70	70	90	95	83	92	4	83	67	16	2.5	7	22
7N-75	75	99	105	88	97	4	80.5	64.5	16	2.5	7	22
7N-80	80	104	109	95	105	4	92.5	74.5	18	3	7	24.5
7N-85	85	109	114	100	110	4	92.5	74.5	18	3	7	24.5
7N-90	90	114	119	105	115	4	92.5	74.5	18	3	7	24.5
7N-95	95	119	124	110	120	4	92.5	74.5	18	3	7	24.5
7N-100	100	124	129	115	125	4	92.5	74.5	18	3	7	24.5

Burgmann seal type | Burgmann Type 3N | Burgmann Type 1G | Burgmann Type 1N |