Operating Limits
Shaft diameter:d1 = 25... 100 mm (1.000"...4.000")Other sizes on request
Temperature:t= -40°C.. +220°C -40°F.. +428°F)
(Check O-Ring resistance)
Sliding face material combination BQ1
Pressure: p1 = 25 bar (363 PS)
Sliding velocity: Vg = 16 m/s (52 ft/s)
Sliding face material combination Q101 or U201
Pressure: p1 = 20 bar (290 PS)
Sliding velocity: Vg = 10 m/s (33 f/s)
Materials
Seal face: Silicon carbide , Carbon graphite resinimpregnated , Tungsten carbide
Secondary seals: FKM , EPDM , FFKM .Perfluorocarbon rubber/PTFE
Springs: HastelloyR
Metal parts: CrNiMo steel , CrNiMo cast steel
Seat: Silicon carbide
Features
Dual seal
Cartridge Balanced
Independent of direction of rotation
Double pressure balanced
Integrated pumping device
Variants available: for eccentric screw pumps (-Vario)and gas-lubricated version (-GSDN)
Dimensions in mm
| d1 | d2 | d3min. | d3max. | l4 | l5 | l6 | l7 | a2 | da | s |
|---|---|---|---|---|---|---|---|---|---|---|
| 25 | 43.0 | 44.0 | 51.0 | 25.4 | 86.5 | 53.4 | 33.1 | 62 | 105 | 13.2 |
| 28 | 46.0 | 47.0 | 52.0 | 25.4 | 86.5 | 53.4 | 33.1 | 62 | 105 | 13.2 |
| 30 | 48.0 | 49.0 | 56.0 | 25.4 | 86.5 | 53.4 | 33.1 | 67 | 105 | 13.2 |
| 32 | 49.8 | 51.0 | 57.0 | 25.4 | 86.5 | 53.4 | 33.1 | 70 | 108 | 13.2 |
| 33 | 49.8 | 51.0 | 57.0 | 25.4 | 86.5 | 53.4 | 33.1 | 70 | 108 | 13.2 |
| 35 | 53.0 | 54.0 | 61.5 | 25.4 | 86.5 | 53.4 | 33.1 | 72 | 113 | 13.2 |
| 38 | 56.0 | 57.0 | 66.0 | 25.4 | 86.5 | 53.4 | 33.1 | 75 | 123 | 13.2 |
| 40 | 58.0 | 59.0 | 68.0 | 25.4 | 86.5 | 53.4 | 33.1 | 77 | 123 | 14.2 |
| 42 | 60.5 | 61.5 | 69.5 | 25.4 | 86.5 | 53.4 | 33.1 | 80 | 133 | 14.2 |
| 43 | 60.5 | 61.5 | 70.5 | 25.4 | 86.5 | 53.4 | 33.1 | 80 | 133 | 14.2 |
| 45 | 62.5 | 64.0 | 73.0 | 25.4 | 86.5 | 53.4 | 33.1 | 82 | 138 | 14.2 |
| 48 | 65.6 | 67.0 | 75.0 | 25.4 | 86.5 | 53.4 | 33.1 | 84 | 138 | 14.2 |
| 50 | 68.0 | 69.0 | 78.0 | 25.4 | 86.5 | 53.4 | 33.1 | 87 | 148 | 14.2 |
| 53 | 72.0 | 73.0 | 87.0 | 25.4 | 86.5 | 53.4 | 33.1 | 92 | 148 | 18.0 |
| 55 | 73.0 | 74.0 | 83.0 | 25.4 | 86.5 | 53.4 | 33.1 | 97 | 148 | 18.0 |
| 60 | 78.0 | 79.0 | 91.0 | 25.4 | 86.5 | 53.4 | 33.1 | 102 | 157 | 18.0 |
| 65 | 84.8 | 85.7 | 98.5 | 25.4 | 86.5 | 53.4 | 33.1 | 109 | 163 | 18.0 |
| 70 | 93.0 | 95.0 | 108.0 | 25.4 | 86.5 | 53.4 | 33.1 | 118 | 178 | 18.0 |
| 75 | 100.0 | 101.6 | 118.0 | 28.0 | 108.0 | 63.9 | 44.1 | 129 | 190 | 18.0 |
| 80 | 106.4 | 108.0 | 124.0 | 28.0 | 108.0 | 63.9 | 44.1 | 135 | 195 | 18.0 |
| 85 | 109.5 | 111.0 | 128.0 | 28.0 | 108.0 | 63.9 | 44.1 | 139 | 198 | 22.0 |
| 90 | 115.9 | 117.5 | 135.0 | 28.0 | 108.0 | 63.9 | 44.1 | 145 | 205 | 22.0 |
| 95 | 119.1 | 120.7 | 138.0 | 28.0 | 108.0 | 63.9 | 44.1 | 148 | 208 | 22.0 |
| 100 | 125.4 | 127.0 | 144.0 | 28.0 | 108.0 | 63.9 | 44.1 | 154 | 218 | 22.0 |
Dimensions in inch
| d1 | d2 | d3min. | d3max. | l4 | l5 | l6 | l7 | a2 | da | s |
|---|---|---|---|---|---|---|---|---|---|---|
| 1.000 | 1.693 | 1.732 | 2.008 | 1.000 | 3.400 | 2.102 | 1.303 | 2.440 | 4.134 | 0.520 |
| 1.125 | 1.811 | 1.875 | 2.050 | 1.000 | 3.400 | 2.102 | 1.303 | 2.402 | 4.134 | 0.520 |
| 1.250 | 1.961 | 2.008 | 2.244 | 1.000 | 3.400 | 2.102 | 1.303 | 2.760 | 4.330 | 0.520 |
| 1.375 | 2.087 | 2.126 | 2.421 | 1.000 | 3.400 | 2.102 | 1.303 | 2.840 | 4.449 | 0.520 |
| 1.500 | 2.205 | 2.244 | 2.598 | 1.000 | 3.400 | 2.102 | 1.303 | 2.950 | 4.843 | 0.520 |
| 1.625 | 2.343 | 2.375 | 2.700 | 1.000 | 3.400 | 2.102 | 1.303 | 3.090 | 4.842 | 0.559 |
| 1.750 | 2.461 | 2.520 | 2.874 | 1.000 | 3.400 | 2.102 | 1.303 | 3.230 | 5.433 | 0.559 |
| 1.875 | 2.582 | 2.638 | 2.953 | 1.000 | 3.400 | 2.102 | 1.303 | 3.350 | 5.433 | 0.559 |
| 2.000 | 2.677 | 2.717 | 3.071 | 1.000 | 3.400 | 2.102 | 1.303 | 3.430 | 5.827 | 0.559 |
| 2.125 | 2.835 | 2.874 | 3.425 | 1.000 | 3.400 | 2.102 | 1.303 | 3.819 | 5.827 | 0.709 |
| 2.250 | 2.961 | 3.000 | 3.560 | 1.000 | 3.400 | 2.102 | 1.303 | 3.940 | 6.181 | 0.709 |
| 2.375 | 3.071 | 3.125 | 3.583 | 1.000 | 3.400 | 2.102 | 1.303 | 4.020 | 6.181 | 0.709 |
| 2.500 | 3.213 | 3.300 | 3.800 | 1.000 | 3.400 | 2.102 | 1.303 | 4.180 | 6.417 | 0.709 |
| 2.625 | 3.339 | 3.374 | 3.937 | 1.000 | 3.400 | 2.102 | 1.303 | 4.303 | 6.417 | 0.709 |
| 2.750 | 3.661 | 3.740 | 4.252 | 1.000 | 3.400 | 2.102 | 1.303 | 4.660 | 7.008 | 0.709 |
| 2.875 | 3.937 | 4.000 | 4.646 | 1.000 | 4.250 | 2.516 | 1.736 | 5.079 | 7.480 | 0.709 |
| 3.000 | 3.937 | 4.000 | 4.646 | 1.102 | 4.250 | 2.516 | 1.736 | 5.079 | 7.480 | 0.709 |
| 3.125 | 4.189 | 4.252 | 4.882 | 1.102 | 4.250 | 2.516 | 1.736 | 5.315 | 7.677 | 0.709 |
| 3.250 | 4.189 | 4.252 | 4.882 | 1.102 | 4.250 | 2.516 | 1.736 | 5.315 | 7.677 | 0.709 |
| 3.375 | 4.311 | 4.375 | 5.039 | 1.102 | 4.250 | 2.516 | 1.736 | 5.472 | 7.795 | 0.866 |
| 3.500 | 4.437 | 4.500 | 5.157 | 1.102 | 4.250 | 2.516 | 1.736 | 5.591 | 7.795 | 0.866 |
| 3.625 | 4.563 | 4.625 | 5.315 | 1.102 | 4.250 | 2.516 | 1.736 | 5.709 | 8.071 | 0.866 |
| 3.750 | 4.689 | 4.752 | 5.433 | 1.102 | 4.250 | 2.516 | 1.736 | 5.827 | 8.189 | 0.866 |
| 4.000 | 4.937 | 5.000 | 5.669 | 1.102 | 4.250 | 2.516 | 1.736 | 6.063 | 8.583 | 0.866 |
