Features Mtex Dual (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
Material Mtex Dual
- 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)
Advantages Mtex Dual
- 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
Recommended applications
Process industry
Chemical industry
Hot media
Cold media
Highly viscous media
Pumps
Special rotating equipment
Dimension Table
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 |