Features
Single seal
Cartridge
Balanced
Independent of direction of rotation
Metal bellows
Single seal with quench and lip seal (-QN) or throttle ring (-TN)
Version available with multipoint injection ring (-QNM, -TNM)
Supply connections for flush (A) and quench (B)
Advantages
Ideal seal for standardizations
Universal applicable for packings conversions, retrofits or OEM
No dimensional modification of the seal chamber necessary, small radial installation height
Trouble-free running due to bellows unit with vibration dampers (essential in case of dry-running)
No dynamically loaded O-Ring
Self cleaning effect of the bellows
Straightforward and easy installation due to pre-assembled unit (reduced down-times)
Operating range
Shaft diameter:
d1 = 25 ... 80 mm (1" … 3.15")
Temperature:
t* = -40 °C ... +220 °C (-40 °F ... +428 °F)
Pressure: p = 25 bar (363 PSI)
Sliding velocity: vg = 20 m/s (66 ft/s)
* Operating limits of O-Rings to be observed
Materials
Seal face: Carbon graphite antimony impregnated (A), Silicon carbide (Q1)
Seat: Silicon carbide (Q1)
Secondary seals:
FKM (V), EPDM (E), FFKM (K)
Bellows: Inconel® 718 (M6)
Metal parts: CrNiMo steel (G), Duplex (G1)
Throttle ring:
PTFE carbon graphite reinforced (T12)
Lip seal: NBR (P), PTFE carbon reinforced (T3)
Recommended applications
Process industry
Chemical industry
Hot media
Cold media
Highly viscous media
Pumps
Special rotating equipment
Service
Provide special design
According to the requirements and conditions for the custom processing
Dimensions in mm | ||||||||||
d1 |
d2 |
d3min. |
d3max. |
l1 |
l2 |
l3 |
l4 |
da |
a1 |
s |
25 |
45 |
47 |
51 |
79.5 |
26.1 |
53.4 |
25.4 |
105 |
62 |
13.2 |
30 |
49.4 |
52 |
56 |
78.4 |
25 |
53.4 |
25.4 |
105 |
67 |
13.2 |
32 |
52.3 |
54.5 |
57 |
78.4 |
25 |
53.4 |
25.4 |
108 |
70 |
13.2 |
33 |
52.3 |
54.5 |
57 |
78.4 |
25 |
53.4 |
25.4 |
108 |
70 |
13.2 |
35 |
54.8 |
58 |
61.5 |
78.4 |
25 |
53.4 |
25.4 |
113 |
72 |
13.2 |
38 |
57.5 |
60 |
66 |
78.4 |
25 |
53.4 |
25.4 |
123 |
75 |
13.2 |
40 |
58.8 |
62 |
68 |
78.2 |
24.8 |
53.4 |
25.4 |
123 |
77 |
14.2 |
43 |
61.9 |
64.5 |
70.5 |
78.4 |
25 |
53.4 |
25.4 |
133 |
80 |
14.2 |
45 |
65 |
68.5 |
73 |
78.4 |
25 |
53.4 |
25.4 |
138 |
82 |
14.2 |
48 |
68.4 |
71 |
75 |
78.7 |
25.3 |
53.4 |
25.4 |
138 |
85 |
14.2 |
50 |
70 |
73 |
78 |
79.1 |
25.7 |
53.4 |
25.4 |
148 |
87 |
14.2 |
53 |
71.9 |
75 |
87 |
77.8 |
24.4 |
53.4 |
25.4 |
148 |
97 |
18 |
55 |
74.6 |
77 |
83 |
78.9 |
25.5 |
53.4 |
25.4 |
148 |
92 |
18 |
60 |
83.9 |
87 |
91 |
80.1 |
26.7 |
53.4 |
25.4 |
157 |
102 |
18 |
65 |
87.5 |
90 |
98.5 |
80 |
26.6 |
53.4 |
25.4 |
163 |
109.3 |
18 |
70 |
93 |
98 |
108 |
81.5 |
28.1 |
53.4 |
25.4 |
178 |
118.3 |
18 |
75 |
96.8 |
101.6 |
118 |
94.4 |
30.5 |
63.9 |
28 |
190 |
129 |
18 |
80 |
104.7 |
108 |
124 |
94.4 |
30.4 |
64 |
28 |
195 |
135 |
18 |
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