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Features
Stationary bellows
Single Seal
Balanced
Independent of direction of rotation
Advantages
For high temperature
High sliding velocities
No elastomer secondary seals
Operating range
Shaft diameter: d1 = 16 ... 100 mm (0.63" ... 4"), (>100 mm on request)
Externally pressurized: p1 = 25 bar (363 PSI), (higher pressure possible, please inquire)
Internally pressurized:
p1<120 °C (248 °F) 10 bar (145 PSI),
p1<220 °C (428 °F) 5 bar (72 PSI),
p1<400 °C (752 °F) 3 bar (44 PSI)
Stationary seat lock necessary.
Temperature:
t = -20 °C ... 400 °C (-4 °F ... +752 °F)
Sliding velocity: vg = 50 m/s (165 ft/s)
Materials
Bellows:
Inconel® 718 (M6), Hastelloy® C-276 (M5)
Seal face:
Carbon graphite antimony impregnated (A), Silicon carbide (Q12)
Seat:
Silicon carbide (Q1), Special cast CrMo steel (S)
Metal parts:
Duplex (G1), Carpenter® 42 (T4), Hastelloy® C-4 (M)
Recommended applications
Process industry
Oil and gas industry
Refining technology
Petrochemical industry
Chemical industry
Hot media
High sliding velocities
Pumps
Special rotating equipment
Service
Provide special design
According to the requirements and conditions for the custom processing
Dimensions in mm | |||||||||
d |
d1 |
d2 |
d3 |
d4 |
d5 |
d6 |
l |
n x mx |
t |
19 |
16–19 |
20.5 |
29 |
30.3 |
25.3 |
45 |
33.5 |
4 x M4 |
6 |
24 |
20–24 |
25.5 |
35 |
38.8 |
33.8 |
49 |
33.5 |
4 x M4 |
6 |
30 |
25–30 |
31.5 |
40 |
43.6 |
38.6 |
55 |
34.5 |
6 x M4 |
6 |
35 |
31–35 |
36 |
45 |
45.8 |
40.8 |
59 |
33 |
6 x M4 |
6 |
40 |
36–40 |
41 |
50 |
51.5 |
46.5 |
65 |
30.5 |
6 x M4 |
6 |
45 |
41–45 |
46 |
55 |
55.2 |
50.2 |
69 |
35.5 |
6 x M4 |
6 |
51 |
46–51 |
52 |
63 |
64.7 |
59.7 |
76.5 |
40.5 |
6 x M5 |
7 |
60 |
52–60 |
61 |
70 |
70.6 |
65.6 |
84 |
32 |
6 x M5 |
7 |
70 |
61–70 |
71 |
80 |
82.8 |
76.8 |
95 |
38 |
6 x M5 |
7 |
82 |
71–82 |
83.5 |
95 |
98 |
92 |
112 |
41 |
6 x M6 |
7 |
88 |
83–88 |
89.5 |
100 |
107.7 |
101.7 |
120 |
47 |
6 x M6 |
7 |
100 |
89–100 |
101 |
112 |
112.7 |
106.7 |
130 |
47 |
6 x M6 |
7 |
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