Welded metal bellow seals
Specifications
Bellow seal designed for media with high viscidity such as crude oil and asphaltum
Structure
1)Single/Cartridge
2)Single/Double-ply bellow seal
3)Secondary seal-O ring
4)Self-flushing function
5)45°inner diameter of bellow
Material
1)Mating rings: carbon×sic/wc
2)Metal bellows: 316L, AM350, Inconel 718
Application
High temperature & high viscidity working condition, in the field of petrochemical, refinery, pharmacy industries.
| /Size | D3 | L1 | /Size | D3 | L1 | |
| 0.750 | 1.312 | 1.250 | 18 | 32.00 | 27.70 | |
| 0.875 | 1.437 | 1.250 | 20 | 33.30 | 27.70 | |
| 0.937 | 1.500 | 1.250 | 22 | 36.00 | 27.70 | |
| 1.000 | 1.562 | 1.250 | 24 | 38.10 | 30.20 | |
| 1.125 | 1.687 | 1.250 | 25 | 39.00 | 30.20 | |
| 1.250 | 1.812 | 1.312 | 28 | 42.00 | 32.70 | |
| 1.375 | 1.937 | 1.437 | 30 | 44.00 | 32.70 | |
| 1.500 | 2.063 | 1.437 | 32 | 46.00 | 32.70 | |
| 1.625 | 2.187 | 1.437 | 33 | 47.00 | 32.70 | |
| 1.750 | 2.312 | 1.437 | 35 | 49.20 | 32.70 | |
| 1.875 | 2.437 | 1.500 | 38 | 52.40 | 34.20 | |
| 2.000 | 2.562 | 1.500 | 40 | 55.60 | 34.20 | |
| 2.125 | 2.687 | 1.500 | 43 | 58.70 | 34.20 | |
| 2.250 | 2.812 | 1.562 | 45 | 58.70 | 34.20 | |
| 2.375 | 2.937 | 1.562 | 48 | 61.90 | 34.20 | |
| 2.500 | 3.187 | 1.562 | 50 | 65.10 | 34.70 | |
| 2.625 | 3.312 | 1.625 | 53 | 68.30 | 34.70 | |
| 2.750 | 3.437 | 1.625 | 55 | 71.00 | 34.70 | |
| 2.875 | 3.625 | 1.687 | 60 | 74.60 | 39.70 | |
| 3.000 | 3.750 | 1.687 | 65 | 84.10 | 39.70 | |
| 3.125 | 3.875 | 1.750 | 70 | 87.30 | 45.20 | |
| 3.250 | 4.000 | 1.750 | 75 | 95.30 | 45.20 | |
| 3.375 | 4.125 | 1.750 | 80 | 98.40 | 44.70 | |
| 3.500 | 4.250 | 1.875 | 85 | 104.80 | 44.70 | |
| 3.625 | 4.375 | 1.875 | 90 | 108.00 | 49.70 | |
| 3.750 | 4.500 | 1.875 | 95 | 114.30 | 49.70 | |
| 3.880 | 4.625 | 1.875 | ||||
| 4.000 | 4.750 | 1.875 |
