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Mechanical Seal-Elastomer Bellows Seals (J1001)
We offer a wide range of Elastomer Bellows Seals available in both metric and inch sizes, designed to meet various international standards. These seals are ideal for applications requiring reliable sealing performance under different operating conditions.
**Maximum Operating Limits**
- **d1 = 12–100 mm (0.500"–4.000")**
- **p1 = 2.0 MPa**
- **t = -35°C to 200°C**
- **Vg = 20 m/s**
**Standard Materials Used**
- **Rotary Faces:** Carbon graphite, Silicon carbide, Tungsten carbide
- **Stationary Seats:** Alumina ceramic, Silicon carbide, Tungsten carbide
- **Bellows & Secondary Seals:** CR, EPDM, FPM, FEPM, HNBR, NBR
- **Springs & Other Metal Components:** AISI 304, 316
Below is the detailed dimensional table for reference:
| Φd | Φd (mm) | ΦD | L1 | ΦD1 | L2 | L4 |
|--------|-----------|--------|---------|--------|--------|--------|
| 0.500 | 12 | 0.937 | 1.187 | 1.000 | 0.312 | 0.312 |
| 0.625 | 14–16 | 1.093 | 1.312 | 1.250 | 0.406 | 0.312 |
| 0.750 | 18 | 1.218 | 1.312 | 1.375 | 0.406 | 0.312 |
| 0.875 | 20–22 | 1.343 | 1.375 | 1.500 | 0.406 | 0.312 |
| 1.000 | 24–25 | 1.500 | 1.562 | 1.625 | 0.437 | 0.375 |
| 1.125 | 28 | 1.625 | 1.625 | 1.750 | 0.437 | 0.375 |
| 1.250 | 30–32 | 1.812 | 1.625 | 1.875 | 0.437 | 0.375 |
| 1.375 | 33–35 | 1.875 | 1.687 | 2.000 | 0.437 | 0.375 |
| 1.500 | 38 | 2.000 | 1.687 | 2.125 | 0.437 | 0.375 |
| 1.625 | 40 | 2.250 | 2.000 | 2.375 | 0.500 | 0.375 |
| 1.750 | 43–45 | 2.375 | 2.000 | 2.500 | 0.500 | 0.375 |
| 1.875 | 48 | 2.500 | 2.125 | 2.625 | 0.500 | 0.375 |
| 2.000 | 50 | 2.625 | 2.125 | 2.750 | 0.500 | 0.375 |
| 2.125 | 53 | 2.812 | 2.375 | 3.000 | 0.562 | 0.375 |
| 2.250 | 55 | 2.937 | 2.375 | 3.125 | 0.562 | 0.5 |
| 2.375 | 60 | 3.062 | 2.500 | 3.250 | 0.562 | 0.5 |
| 2.500 | 63 | 3.187 | 2.500 | 3.375 | 0.562 | 0.5 |
| 2.625 | 65 | 3.375 | 2.750 | 3.375 | 0.625 | 0.5 |
| 2.750 | 70 | 3.500 | 2.750 | 3.500 | 0.625 | 0.5 |
| 2.875 | 73 | 3.625 | 2.875 | 3.750 | 0.625 | 0.5 |
| 3.000 | 75 | 3.750 | 2.875 | 3.875 | 0.625 | 0.5 |
| 3.125 | 80 | 4.000 | 3.125 | 4.000 | 0.781 | 0.5 |
| 3.250 | / | 4.125 | 3.125 | 4.125 | 0.781 | 0.5 |
| 3.375 | 85 | 4.250 | 3.125 | 4.250 | 0.781 | 0.5 |
| 3.500 | / | 4.375 | 3.125 | 4.375 | 0.781 | 0.5 |
| 3.625 | 90 | 4.500 | 3.250 | 4.500 | 0.781 | 0.562 |
| 3.750 | 95 | 4.625 | 3.250 | 4.625 | 0.781 | 0.562 |
| 3.875 | / | 4.750 | 3.375 | 4.750 | 0.781 | 0.562 |
| 4.000 | 100 | 4.875 | 3.375 | 4.875 | 0.781 | 0.562 |
These dimensions provide a comprehensive guide for selecting the appropriate seal size based on your application needs. Our products are engineered to ensure durability, precision, and long-term performance in a variety of industrial environments.