Rotary PTFE and Spring Energised Seals
Standard Profiles
Moontown solid PTFE Lip seals provide the designer with a significant improvement in performance over elastomer lip seals at a much lower cost than a mechanical face seal.
- Temperature range: 20°C to 250°C
- Pressure up to 30 bar
- High chemical resistance
- Metal support ring for high temperatures
- Low friction
- Surface speeds up to 25 m/s
- Dry running or abrasive media
- Easy to install and replace
![](i/usims/rotary-m50.png)
TYPE M50
![](i/usims/rotary-m51.png)
TYPE M51
![](i/usims/rotary-m52.png)
TYPE M52
![](i/usims/rotary-m53.png)
TYPE M53
![](i/usims/rotary-m54.png)
TYPE M54
![](i/usims/rotary-m55.png)
TYPE M55
![](i/usims/rotary-m56.png)
TYPE M56
![](i/usims/rotary-m57.png)
TYPE M57
![](i/usims/rotary-m58.png)
TYPE M58
![](i/usims/rotary-m59.png)
TYPE M59
Rotary Seals Hardware Design
Rotary Seal Selection Chart
Shaft Material and Hardness | Finish |
---|---|
Cast Iron or Hardenable Steel -40 to 65 HRc with hydraulic oil up to 15 bar |
Shaft Ra 0.3 - 0.5 µm for lubricated applications Bore or O-Ring Side Ra = 0.8 - 1.6 µm |
Hardware Dimensions
NOM |
NOM BORE B DIM |
SEAL WIDTH W DIM |
---|---|---|
8 | 22 | 7 |
24 | ||
26 | ||
9 | 22 | 7 |
24 | ||
26 | ||
10 | 22 | 7 |
24 | ||
26 | ||
11 | 22 | 7 |
26 | ||
12 | 22 | 7 |
24 | ||
28 | ||
30 | ||
14 | 24 | 7 |
28 | ||
30 | ||
35 | ||
15 | 26 | 7 |
30 | ||
32 | ||
35 | ||
16 | 28 | 7 |
30 | ||
32 | ||
35 | ||
17 | 28 | 7 |
30 | ||
32 | ||
35 | ||
40 | ||
18 | 30 | 7 |
32 | ||
35 | ||
40 | ||
20 | 30 | 7 |
32 | ||
35 | ||
40 | ||
47 | ||
22 | 32 | 7 |
35 | ||
40 | ||
47 | ||
24 | 35 | 7 |
37 | ||
40 | ||
47 | ||
25 | 35 | 7 |
40 | ||
42 | ||
47 | ||
52 | ||
26 | 37 | 7 |
42 | ||
47 |
NOM SHAFT S DIM |
NOM BORE B DIM |
SEAL WIDTH W DIM |
---|---|---|
28 | 40 | 7 |
47 | ||
52 | ||
30 | 40 | 7 |
42 | ||
47 | ||
52 | ||
62 | 8 | |
32 | 45 | 7 |
47 | ||
52 | ||
35 | 47 | 7 |
50 | ||
52 | ||
62 | 8 | |
36 | 47 | 7 |
50 | ||
52 | ||
62 | 8 | |
38 | 52 | 7 |
55 | 8 | |
62 | ||
40 | 52 | 7 |
55 | 8 | |
60 | ||
62 | ||
72 | ||
42 | 55 | 8 |
60 | ||
62 | ||
72 | ||
45 | 60 | 8 |
62 | ||
65 | ||
72 | ||
48 | 62 | 8 |
65 | ||
72 | ||
50 | 65 | 8 |
68 | ||
72 | ||
80 | ||
52 | 68 | 8 |
72 | ||
55 | 70 | 8 |
72 | ||
80 | ||
85 | 10 | |
56 | 70 | 8 |
72 | ||
80 | ||
85 | 10 | |
58 | 72 | 8 |
80 | ||
60 | 75 | 8 |
80 | ||
85 | 10 | |
90 |
NOM SHAFT S DIM |
NOM BORE B DIM |
SEAL WIDTH W DIM |
---|---|---|
62 | 80 | 8 |
85 | 10 | |
90 | ||
63 | 85 | 10 |
90 | ||
65 | 85 | 10 |
90 | ||
100 | ||
68 | 90 | 10 |
100 | ||
70 | 90 | 10 |
100 | ||
72 | 95 | 10 |
100 | ||
75 | 95 | 10 |
100 | ||
78 | 100 | 10 |
80 | 100 | 10 |
110 | 12 | |
85 | 110 | 12 |
120 | ||
90 | 110 | 12 |
120 | ||
95 | 120 | 12 |
125 | ||
100 | 120 | 12 |
125 | ||
130 | ||
105 | 130 | 12 |
140 | ||
110 | 130 | 12 |
140 | ||
115 | 140 | 12 |
150 | ||
120 | 150 | 12 |
160 | ||
125 | 150 | 12 |
160 | ||
130 | 160 | 12 |
170 | 15 | |
135 | 170 | 15 |
140 | 170 | 15 |
145 | 175 | 15 |
150 | 180 | 15 |
160 | 190 | 15 |
170 | 200 | 15 |
180 | 210 | 15 |
190 | 220 | 15 |
200 | 230 | 15 |
- Bore and shaft dimensions are based on DIN Standards 3760.
- Moontown can manufacture non-standard sizes to fit your existing hardware.
- Please consult Moontown for further details.
- This table also applies to our metal cased lip seals.
- Please see seperate sheet for metal cased PTFE Lip Seal.