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Yitong mechanical seal for pumps in chemical industry YTB121,YT1220 pages
MECHANICAL SEALS
YTB121, 122 Mechanical Seal For General Pump
(comply with EN12756, IS03069, GB6556)
Operating Limits:
1. Pressure: 0~2. 5MPa
Design Features:
1.YTB121.YTB122 are the balanced
i structure of YT121.YT122.
2.Suitbale to higher pressure medium.
Material Selection
Seal Components Material | YTB121 | YTB122 | |
Face | Sic | ||
tungsten carb | ide 0 | 0 | |
graphite | |||
Spring | CrNi-steel | 0 | 0 |
CrNiMo-stee | |||
Seal Ring | FKM | ||
NBR | 0 | 0 | |
PTFE | 0 | 0 | |
Metal Parts | CrNi-steel | V | V |
CrNiMo-steei o | 0 | ||
2. o optional material. It is determined according
actual requirements.
3. For material not listed, please
ojtjict us for special design inquires.
MECHANICAL SEALS
YTB121 multiple spring structure drawing
YT1B122 slide spring structure drawing
• Size For Seal Seats (mm)
30
35
40
45
48
50
53
55
58
60
63
65
70
75
80
85
90
95
100
30
35
40
45
48
50
53
55
58
60
63
65
70
75
80
85
90
95
100
35
40
45
50
53
55
58
60
63
65
68
70
75
80
85
90
95
100
105
50
57
62
67
70
72
79
81
84
86
89
91
99
104
109
114
119
124
129
39
44
51
56
59
62
65
67
70
72
75
77
83
88
95
100
105
110
115
45
50
58
63
66
70
73
75
78
80
83
85
92
97
105
110
1 15
120
125
38.5
38.5
38.5
38.5
38.5
42.5
42.5
42.5
47.5
47.5
47.5
47.5
52
52
51.8
56.8
56.8
57.8
57.8
50
50
52.5
52.5
52.5
57.5
57.5
57.5
62.5
62.5
62.5
62.5
70
70
70
75
75
75
75
ii
15
"
