Structure Features:
The BIA rubber sylph on the seal is an interior erection-flow structure whose drive transmission is a coaxial spinning of the axle with the rubber bellow and the motional ring by means of the fastening holder. BIA mechanical seal is in conformity with the "DIN24960" Standard It has a simple but compact structure and is suitable for pumps.
Sub-materials of friction and auxiliary materials should be selected according to operation conditions.
Operating Range:
Mediums: oil, water, and other low-corrosion liquids.
Pressure: <0.98Mpa
Temperature：-20°C~150°CC
Linear velocity: ≤ 10m/s
| dh6 | d14 | d2 | d3 | d7H7 | L | Lo | L1 | L2 | L3 | |
| 14 | 14 | 22.4 | 17 | 27 | 30 | 18.7 | 9.7 | 5 | 4.5 | 2.5 |
| 16 | 16 | 23 | 18 | 28.5 | 32 | 21 | 12 | 5 | 4.5 | 2.5 |
| 18 | 18 | 25.5 | 21 | 30.5 | 35 | 22.5 | 13 | 7.5 | 6 | 2.5 |
| 20 | 20 | 26 | 24 | 31.8 | 35 | 21 | 11.5 | 8 | 5 | 3 |
| 25 | 25 | 34 | 27 | 39 | 40 | 25.5 | 15 | 8 | 6.5 | 3 |
| 28 | 28 | 36.5 | 30 | 42 | 43 | 25.5 | 15 | 8 | 6.5 | 3 |
| 30 | 30 | 38.5 | 32 | 44 | 45 | 25.5 | 15 | 9 | 7.5 | 3 |
| 32 | 32 | 40 | 34 | 46 | 48 | 33.5 | 21 | 9 | 7.5 | 4.5 |
| 33 | 33 | 40.5 | 35 | 47 | 48 | 33.5 | 21 | 9 | 7.5 | 4.5 |
| 35 | 35 | 42.5 | 37 | 49 | 50 | 33.5 | 21 | 9 | 7.5 | 4.5 |
| 38 | 38 | 46.5 | 40 | 54 | 56 | 33.5 | 21 | 9 | 7.5 | 4.5 |
| 40 | 40 | 48 | 42.5 | 56 | 58 | 33.5 | 21 | 9 | 7.5 | 4.5 |
| 43 | 43 | 51 | 45.5 | 59 | 61 | 36.5 | 24 | 9.5 | 8 | 5.5 |
| 45 | 45 | 52.5 | 47.5 | 61 | 63 | 38 | 24 | 9.5 | 8 | 5.5 |
| 48 | 48 | 55.5 | 50 | 64 | 66 | 38 | 24 | 9.5 | 8 | 5.5 |
| 50 | 50 | 57 | 52.5 | 66 | 70 | 38 | 24 | 9.5 | 8 | 5.5 |
| 53 | 53 | 60 | 55.5 | 69 | 73 | 41 | 26 | 9.5 | 8 | 6 |
| 55 | 55 | 62 | 57.5 | 71 | 75 | 41 | 26 | 9.5 | 8 | 6 |
| 58 | 58 | 68 | 60.5 | 78 | 78 | 42 | 26 | 9.5 | 8 | 6 |
| 60 | 60 | 70 | 62.5 | 80 | 80 | 42 | 26 | 9.5 | 8 | 6 |
| 70 | 70 | 80 | 73 | 90 | 92 | 45 | 28 | 11 | 9.5 | 6.5 |
| 80 | 80 | 90 | 83 | 104 | 104 | 55 | 37 | 12 | 10 | 8 |
| 85 | 85 | 95 | 88 | 108 | 109 | 64.2 | 48 | 12 | 10 | 8 |
| 90 | 90 | 100 | 93 | 113 | 114 | 66.2 | 50P | 12 | 10 | 8 |
A: We deliver customized sealing solutions to diverse industrial sectors,including:
·Oil and Gas
·Refining
·Chemical and Petrochemical
·Water and Wastewater Treatment
·Pharmaceutical
·Power Generation
·Marine
Our products are designed to perform reliably in demanding environments across multiple industries.
A: HQ Seals provides custom sealing solutions customized for your working conditions. We manufacture seals according to:
· Technical drawings
· Physical samples
· Special material & performance specifications
· Non-standard sizes
We maintain close communication with clients to guarantee all finished products satisfy operational and environmental requirements.
A: First, identify the optimal configuration (single or double seal) according to the process fluid. Then verify operating parameters — pressure, temperature and shaft speed — to select the appropriate seal type and materials. Lastly, confirm available installation dimensions, and opt for either a component or cartridge seal subject to customer requirements and relevant standards. Seal selection is normally carried out by qualified technicians.
A: For mechanical seals that have been stored for a long period: we can grind the rotating and stationary rings, replace secondary sealing O-rings, conduct air tightness testing and issue the pressure test report.
We can provide on-site installation guidance service. For failed mechanical seals, we are able to deliver failure analysis reports.
A: Yes, repairs are available. Depending on the damage condition of the mechanical seal, we classify the overhaul into Level 1, Level 2 and Level 3 repair.
EN
