Type 531
Rotary pusher type mechanical seal with cylindrical heavy duty spring. The open design of the spring avoids accumulation of solids, the flexible drive tolerates shaft misalignment and keeps always faces contact without driving pins. Available in balanced design.


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 150psi
SPEED 20m/s
TEMPERATURE -50 +180 C