Equivalent to:

● AESSEAL M03S

● VULCAN 1659S

● EAGLE BURGMANN BT-C5.KU

● JOHN CRANE 58U

● STERLING 259S

Operating Limits:

● Temperature: -20℃ - +220℃

● Pressure：≤ 18bar

● Speed: ≤ 25m/s

● Shaft Size: 14mm - 100mm

Materials:

● Seal Rings: A,B,Q1/12,Q2/22, U1/12,U2/22

● Elastomer: VITON, EPDM, NBR, FFKM, AFLAS

● Metal Part: SS304, SS316, Duplex, Hastelloy C

Assembly Drawing:

Dimensions (mm):

D	D3	D4	L1K	L3	D6	D7
14	24	26	35	23	21	25
16	26	28	35	23	23	27
18	32	34	37.5	24	27	33
20	34	36	37.5	24	29	35
22	36	38	37.5	24	31	37
24	38	40	40	26.7	33	39
25	39	41	40	27	34	40
28	42	44	42.5	30	37	43
30	44	46	42.5	30.5	39	45
32	46	48	42.5	30.5	42	48
33	47	49	42.5	30.5	42	48
35	49	51	42.5	30.5	44	50
38	54	58	45	32	49	56
40	56	60	45	32	51	58
43	59	63	45	32	54	61
45	61	65	45	32	56	63
48	64	68	45	32	59	66
50	66	70	47.5	34	62	70
53	69	73	47.5	34	65	73
55	71	75	47.5	34	67	75
58	78	83	52.5	39	70	78
60	80	85	52.5	39	72	80
63	83	88	52.5	39	75	83
65	85	90	52.5	39	77	85
68	88	93	52.5	39	81	90
70	90	95	60	45.5	83	92
75	95	104	60	45.5	88	97
80	104	109	60	45	95	105
85	109	114	60	45	100	110
90	114	119	65	50	105	115
95	119	124	65	50	110	120
100	124	129	65	50	115	125

PTFE wedge mechanical seal, follow same design of original John Crane Type 59U. Mutil-Spring Type UT-59U mechanical seals can be adapted to a wide range of fluids and operating conditions due to extended material options. Type 59U is workable with corrosive mediums, such as typically corrosives and chemicals.

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58U 59U Mechanical Seal