Mechanical seal H-brinker
HBTex-DS
Operating range Mechanical seal HBTex-DS
Shaft diameter: d1 = 25 … 80 mm (1″ … 3.15″)
Temperature: t* = –40 °C … +220 °C (–40 °F … + 428 °F)
Pressure: p1 = 25 bar (232 PSI)
Sliding velocity: vg = 20 m/s (66 ft/s)
Barrier fluid circulation system:
p3max = 16 bar (232 PSI)
Δp (p3–p1) ideal = 2 … 3 bar (29 … 44 PSI)
Δp (p3–p1) max.
= 10 bar (145 PSI) at <120 °C (<248 °F)
= 5 bar (73 PSI) at ≤ 220 °C (≤232 °F)
API Plan 52 (53/54)
Pump startup: Δp (p3–p1) max.16 bar (232 PSI) allowed
* Operating limits of O-Rings to be observed
Table of Mechanical seal descriptions HBTex-DS
| Item | Description |
| 1 | Bellows unit |
| 2 | O-Ring |
| 3 | Set screw |
| 4 | Seat |
| 5 | O-Ring |
| 6 | Shaft sleeve |
| 7 | O-Ring |
| 8 | Cover |
| 9 | Seal face |
| 10 | O-Ring |
| 11 | Spring |
| 12 | Seat |
| 13 | O-Ring |
| 14 | Drive collar |
| 15 | O-Ring |
| 16 | Set screw |
| 17 | Retaining ring |
| 18 | Assembly fixture |
| 19 | Hex socket head screw |
| 20, 22 | Gasket |
| 23 | Screw plug |
Features Seal HBTex-DS
- Double seal
- Mtex-DN: API Plan 52 (53/54)
- Mtex9-DN: API Plan 53/54
- Cartridge
- Balanced
- Independent of direction of rotation
- Metal bellows
- Stationary Springs
- Pumping device independent of direction of rotation
Advantages mechanical seal HBTex-DS
- Ideal seal for standardizations
- Universal applicable for packings conversions, retrofits or OEM
- No dimensional modification of the seal chamber (centrifugal pumps) necessary, small radial installation height
- Trouble-free running due to bellows unit with vibration dampers (essential in case of dry-running)
- No damage of the shaft by dynamically loaded O-Ring
- Self cleaning effect of the bellows
- Straightforward and easy installation due to pre-assembled unit
Materials Seal HBTex-DS
- Seal face: Carbon graphite (A), Silicon carbide (Q1)
- Seat: Silicon carbide (Q1), Tungsten carbide (U2)
- Secondary seals:
FPM (V), EPDM (E), FFKM (K) - Bellows: Inconel® 718 (M6)
- Springs: Hastelloy® C-4 (M)
- Metal parts: CrNiMo steel (G), Duplex (G1)
Recommended applications seal HBTex-DS
- Process industry
- Chemical industry
- Hot media
- Cold media
- Highly viscous media
- Pumps
- Special rotating equipment
Dimension Table Seal HBTex-DS
| d1 | d2 | d3 min. | d3 max. | l4 | l5 | l6 | l7 | da | a2 | s |
|---|---|---|---|---|---|---|---|---|---|---|
| 25 | 45.0 | 47.0 | 51.0 | 25.4 | 87.0 | 33.6 | 53.4 | 105.0 | 62.0 | 13.2 |
| 30 | 49.4 | 52.0 | 56.0 | 25.4 | 86.5 | 33.1 | 53.4 | 105.0 | 67.0 | 13.2 |
| 32 | 52.3 | 54.5 | 57.0 | 25.4 | 86.5 | 33.1 | 53.4 | 108.0 | 70.0 | 13.2 |
| 33 | 52.3 | 54.5 | 57.0 | 25.4 | 86.5 | 33.1 | 53.4 | 108.0 | 70.0 | 13.2 |
| 35 | 54.8 | 58.0 | 61.5 | 25.4 | 86.5 | 33.1 | 53.4 | 113.0 | 72.0 | 13.2 |
| 38 | 57.5 | 60.0 | 66.0 | 25.4 | 86.5 | 33.1 | 53.4 | 123.0 | 75.0 | 14.0 |
| 40 | 58.8 | 62.0 | 68.0 | 25.4 | 86.3 | 32.9 | 53.4 | 123.0 | 77.0 | 14.2 |
| 43 | 61.9 | 64.5 | 70.5 | 25.4 | 86.5 | 33.1 | 53.4 | 133.0 | 80.0 | 14.2 |
| 45 | 65.0 | 68.5 | 73.0 | 25.4 | 86.5 | 33.1 | 53.4 | 138.0 | 82.0 | 14.2 |
| 48 | 68.4 | 71.0 | 75.0 | 25.4 | 86.8 | 33.4 | 53.4 | 138.0 | 85.0 | 14.2 |
| 50 | 70.0 | 73.0 | 78.0 | 25.4 | 87.2 | 33.8 | 53.4 | 148.0 | 87.0 | 14.2 |
| 53 | 71.9 | 75.0 | 87.0 | 25.4 | 87.4 | 34.0 | 53.4 | 148.0 | 97.0 | 18.0 |
| 55 | 74.6 | 77.0 | 83.0 | 25.4 | 87.0 | 33.6 | 53.4 | 148.0 | 92.0 | 18.0 |
| 60 | 83.9 | 87.0 | 91.0 | 25.4 | 88.2 | 34.8 | 53.4 | 157.0 | 102.0 | 18.0 |
| 65 | 87.5 | 90.0 | 98.5 | 25.4 | 88.1 | 34.7 | 53.4 | 163.0 | 109.3 | 18.0 |
| 70 | 93.0 | 98.0 | 108.0 | 25.4 | 89.6 | 36.2 | 53.4 | 178.0 | 118.3 | 18.0 |
| 75 | 96.8 | 101.6 | 118.0 | 28.0 | 107.4 | 43.5 | 63.9 | 190.0 | 129.0 | 18.0 |
| 80 | 104.7 | 108.0 | 124.0 | 28.0 | 106.8 | 42.9 | 63.9 | 195.0 | 135.0 | 18.0 |