Yitong dual-cartridge mechanical seal for pumps in chemical industry YTB1230 pages
MECHANICAL SEALS
YTB123 Mechanical Seal For General Service Pump
(comply with EN12756, IS03069, GB6556)
Operat ing Limi ts:
1. Pressure: 0—2. 5MPa
2. Temperature: -40~220°C.
3. Speed: ^3000r/min
4. Medium: oil, chemical, liquefied
petroleum gas, weak acid, alkali, salt
which medium contain little kernel.
Design Features:
1. Multiple spring, dual face, balanced.
2. Even face loading.
3. Compact, easy fixing.
Material Selection
Seal Component | Material | YTB123 |
Face | Sic | |
ungsten carbid | ||
graphite | V | |
Spring | CrNi-steel | 0 |
CrNiMo-steel | V | |
Seal Ring | FKM | |
NBR | 0 | |
PTFE | 0 | |
Metal Parts | CrNi-steel | |
CrNiMo-steel | 0 |
Note:
1. u preferred mater
2. "o" optional materia
It is determined according
to the actual requirements
3. For material not lis
please contact us for
special design inquire
t t i ■ ■ t f —i_a_
16
II
MECHANICAL SEALS
YTB123 structure drawing
Size For Seal Seats(mm)
30
35
38
40
43
45
48
50
53
55
58
60
63
65
70
75
80
85
90
95
100
35
40
43
15
48
50
53
55
58
60
63
65
68
70
75
80
85
90
95
100
105
50
57
60
62
65
67
70
72
79
81
84
86
89
91
99
104
109
114
119
124
129
39
44
49
51
54
56
59
62
65
67
70
72
75
77
83
88
95
100
105
110
115
45
50
56
58
61
63
66
70
73
75
78
80
83
85
92
97
105
110
115
120
125
77
80
85
85
85
84
84
93
97
97
104
104
109
98
112.5
112.5
112.5
112.5
112.5
110.5
110.5
54
57
57
57
57
56
56
63
67
67
74
74
79
68
76.4
76.4
76
76
76
76
76
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17
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