Type 522
Designed for installation in machinery operating according to EN 12756-L1K standard. The rubber bellows is supported by a metal body, enabling the seal to operate in particularly heavy fluid applications with excessive run-out.


ds
d1
d2
d3
d4
L1n
L2
L3
15
29.0
30.5
24.3
26.0
46.7
36.7
10.0
20
34.5
36.0
39.0
35.0
48.8
37.3
11.5
25
41.0
43.0
33.8
40.0
51.5
40.0
11.5
30
45.5
47.5
38.6
45.0
53.1
41.6
11.5
35
50.0
52.0
43.5
50.0
59.5
48.0
11.5
40
55.0
57.0
48.1
58.0
62.0
48.0
14.0
45
60.0
62.0
53.0
63.0
62.0
48.0
14.0
50
66.0
69.0
59.5
70.0
64.1
59.1
15.0
55
71.0
74.0
64.0
75.0
75.7
60.7
15.0
60
77.0
80.0
70.5
80.0
78.8
63.8
15.0
65
82.0
86.0
75.2
85.0
82.0
67.0
15.0
70
88.0
92.0
80.0
92.0
85.0
67.0
18.0
75
92.0
96.0
85.0
97.0
88.8
71.8
18.0
80
99.5
104.5
92.5
105.0
96.3
78.1
18.2
85
105.5
109.5
99.0
110.0
96.3
78.1
18.2
90
110.5
115.5
104.0
115.0
101.1
82.9
18.2
95
115.5
120.5
108.5
120.0
100.1
82.9
17.2
100
121.0
126.0
113.5
125.0
100.1
82.9
17.2
105
129.0
135.0
121.0
134.3
109.2
89.2
20.0
110
134.0
140.0
126.0
140.3
109.2
89.2
20.0
115
139.0
145.0
130.7
148.3
109.2
89.2
20.0
120
144.0
150.0
137.0
150.3
115.5
95.5
20.0
125
149.0
155.0
142.0
154.3
118.0
98.0
20.0
130
156.5
163.5
146.5
158.3
120.0
100.0
20.0
135
162.0
169.0
151.5
164.3
122.0
102.0
20.0
140
169.0
178.0
156.0
168.3
125.0
105.0
20.0
145
178.0
185.0
167.5
173.3
133.3
113.3
20.0
150
184.0
191.0
172.5
180.3
139.3
117.3
22.0
160
194.0
202.0
182.5
190.3
142.3
128.3
24.0
170
204.0
212.0
192.5
200.3
142.3
128.3
24.0
180
214.0
222.0
203.0
219.3
161.3
133.3
28.0
190
224.0
232.0
213.0
229.3
161.3
133.3
28.0


Maximum Operating Limits
PRESSURE 170psi
SPEED 13m/s
TEMPERATURE -40 +200 C