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Features
Single seal
Balanced
Independent of direction of rotation
Stationary metal bellows
Advantages
For high or low temperature applications
Operating range
Pressure (single ply bellows):
p = vacuum ... 20 bar ( … 290 PSI)
Pressure (two ply bellows):
p = vacuum ... 35 bar ( … 508 PSI)
Temperature:
t = -240 °C ... +425 °C
(-400 °F … +797 °F)
Sliding velocity: vg = ... 50 m/s (164 ft/s)
Viscosity: ... 1 Pa·s
Materials
Seal face: High density carbon graphite
Seat: Silicon carbide (Q2)
Bellows: Inconel® 718 (M6)
Secondary seals: Graphite
Metal parts: 1.4404, Carpenter® 42 (T4)
Recommended applications
Refining technology
Power plant technology
Chemical industry
High and low temperature hydrocarbon services
Residual oil
Gas oil
Low temperature ethylene
Pumps
Special rotating equipment
Service
Provide special design
According to the requirements and conditions for the custom processing
Dimensions in mm | |||||||||
Size |
d |
d1 |
d2 |
d3 |
d4 |
l1 |
l2 |
l3 |
l4 |
X14 |
18 |
21 |
42 |
47 |
44 |
36 |
15 |
31 |
6.3 |
X16 |
21 |
26 |
47 |
50 |
47 |
38 |
17 |
31 |
6.3 |
X18 |
24 |
29 |
50 |
53 |
50 |
38 |
17 |
31 |
6.3 |
X20 |
27.5 |
32 |
53 |
56 |
53 |
38 |
17 |
31 |
6.3 |
X22 |
31 |
36 |
57 |
60 |
57 |
38 |
17 |
31 |
6.3 |
X24 |
33 |
39 |
60 |
64 |
60 |
41 |
20 |
31 |
6.3 |
X26 |
36 |
42 |
63 |
67 |
63 |
41 |
20 |
31 |
6.3 |
X28 |
39 |
45 |
66 |
70 |
66 |
41 |
20 |
31 |
6.3 |
X30 |
42 |
48 |
69 |
73 |
69 |
41 |
20 |
31 |
6.3 |
X32 |
45 |
51 |
72 |
76 |
72 |
41 |
20 |
31 |
6.3 |
X34 |
46.5 |
54 |
75 |
80 |
76 |
43 |
22 |
31 |
6.3 |
X36 |
50 |
58 |
79 |
83 |
79 |
43 |
22 |
31 |
6.3 |
X38 |
53 |
61 |
82 |
86 |
82 |
43 |
22 |
31 |
6.3 |
X40 |
55 |
64 |
85 |
89 |
85 |
51 |
30 |
31 |
6.3 |
X42 |
58.5 |
67 |
89 |
92 |
88 |
51 |
30 |
31 |
6.3 |
X44 |
62.5 |
71 |
92 |
96 |
92 |
51 |
30 |
31 |
6.3 |
X46 |
64 |
74 |
96 |
99 |
95 |
55 |
34 |
31 |
6.3 |
X48 |
67 |
77 |
99 |
102 |
98 |
55 |
34 |
31 |
6.3 |
X50 |
70 |
81 |
102 |
105 |
101 |
55 |
34 |
31 |
6.3 |
X52 |
73 |
84 |
105 |
108 |
104 |
55 |
34 |
31 |
6.3 |
X54 |
75.5 |
87 |
109 |
111 |
107 |
55 |
34 |
31 |
6.3 |
X56 |
78.5 |
90 |
113 |
116 |
111 |
58 |
37 |
31 |
6.3 |
X58 |
82 |
93 |
116 |
120 |
114 |
58 |
37 |
31 |
6.3 |
X60 |
85 |
96 |
119 |
122 |
117 |
58 |
37 |
31 |
6.3 |
X62 |
88 |
99 |
122 |
125 |
120 |
58 |
37 |
31 |
6.3 |
X64 |
91 |
103 |
125 |
128 |
123 |
58 |
37 |
31 |
6.3 |
X70 |
100 |
111 |
138 |
142 |
134 |
60 |
39 |
31 |
6.3 |
X78 |
110 |
116 |
147 |
152 |
145 |
60 |
39 |
41 |
7.5 |
X90 |
129 |
137 |
168 |
173 |
166 |
63 |
42 |
41 |
7.5 |
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