MS Series – Cartridge Seals

The Aquaplus cartridge seal is a robust, general purpose, bi-directional, multi-spring cartridge mechanical seal designed for the sealing requirements of rotary shaft equipment.

The seal is an hydraulically balanced cartridge seal with protected multi-springs and operates with cooler running faces, longer life and at higher temperatures.

MS Series – Cartridge Seals
  • Features
  • Applications
  • Technical
  • Downloads
  • cartridge design
  • easy installation
  • balanced seal faces
  • springs isolated from the process liquid
  • static o-ring pump shaft/sleeve
  • no fretting
  • full face gland
  • water
  • chemicals
  • oils
  • fuel oils
  • slurries
  • sludges

D
Shaft ID		 D1
Stuffing Box ID		 D2 D3 l1 l2 l3 W PCD (D4) Flushing Port Size
inch mm MIN MAX inch mm inch mm inch mm inch mm inch mm inch mm inch mm  
24 40 46 41 105 18.35 44 26 12 70 3/8″ BSP-f
1.000 25 1.570 40 1.850 47 1.535 39 3.937 100 0.650 16.5 1.732 44 0.984 25 0.47 12 2.756 70 3/8″ BSP-f
1.125 28 1.690 43 1.970 50 1.693 43 4.016 102 0.650 16.5 1.732 44 0.984 25 0.47 12 2.953 75 3/8″ BSP-f
30 44 53 44 102 17 44 25 12 78 3/8″ BSP-f
1.250 32 2.010 51 2.170 55 1.929 49 4.134 105 0.669 17 1.732 44 0.984 25 0.47 12 3.071 78 3/8″ BSP-f
33 50 55 50 105 17.5 44 25 12 78 3/8″ BSP-f
1.375 35 2.010 51 2.280 58 1.929 49 4.724 120 0.689 17.5 1.732 44 0.984 25 0.47 12 3.228 82 3/8″ BSP-f
1.500 38 2.362 60 2.560 65 2.185 55.5 5.039 128 0.728 18.5 1.732 44 0.984 25 0.47 12 3.504 89 3/8″ BSP-f
40 60 65 57 128 18.5 44 25 12 89 3/8″ BSP-f
1.625 2.375 2.560 2.185 5.039 0.728 1.732 0.984 0.47 3.504 3/8″ BSP-f
42 63 68 58 128 18.5 44 25 12 89 3/8″ BSP-f
43 63 68 60 128 18.5 44 26 12 92 3/8″ BSP-f
1.750 45 2.500 70 2.950 75 2.437 61.9 5.000 127 0.728 18.5 1.732 44 0.984 25 0.47 12 3.819 97 3/8″ BSP-f
1.875 48 2.625 71 2.950 75 2.563 65.1 5.118 130 0.728 18.5 1.732 44 0.984 25 0.47 12 3.819 97 3/8″ BSP-f
2.000 50 2.795 71 2.950 75 2.677 68 5.827 148 0.728 18.5 1.732 44 0.984 25 0.47 12 3.898 99 3/8″ BSP-f
53 75 85 72 168 19 44 25 12 109 3/8″ BSP-f
2.125 2.875 3.125 2.811 5.906 0.748 1.732 0.984 0.63 4.331 3/8″ BSP-f
55 75 77 72 148 19 44 25 16 110 3/8″ BSP-f
2.250 3.000 3.250 2.937 6.220 0.748 1.732 0.984 0.63 4.250 3/8″ BSP-f
2.375 60 3.228 82 3.740 95 3.071 78 6.220 158 0.748 19 1.732 44 0.984 25 0.63 16 4.843 123 3/8″ BSP-f
2.500 63 3.275 86 3.620 92 3.311 84.1 6.496 165 0.748 19 1.811 46 0.984 25 0.63 16 4.921 125 3/8″ BSP-f
2.625 65 3.465 88 3.660 93 3.150 80 6.929 176 0.768 19.5 1.811 46 0.984 25 0.63 16 4.921 125 3/8″ BSP-f
2.750 70 3.661 93 3.940 100 3.228 82 6.929 176 0.768 19.5 1.811 46 0.984 25 0.63 16 5.315 135 3/8″ BSP-f
2.875 3.875 4.170 3.346 7.402 0.866 1.811 1.102 0.63 5.512 3/8″ BSP-f
3.000 75 4.016 102 4.170 106 3.346 85 7.402 188 0.866 22 1.811 46 1.102 28 0.73 18.5 5.512 140 3/8″ BSP-f
3.125 80 4.213 107 4.450 113 3.425 87 7.874 200 0.866 22 1.811 46 1.102 28 0.73 18.5 5.709 145 3/8″ BSP-f
3.250 4.375 4.687 3.543 8.189 0.925 1.811 1.220 0.73 6.102 3/8″ BSP-f
3.375 85 4.409 112 4.720 120 3.543 90 8.189 208 0.925 23.5 1.811 46 1.220 31 0.73 18.5 6.220 158 3/8″ BSP-f
3.500 90 4.606 117 4.920 125 3.622 92 8.661 220 1.024 26 1.811 46 1.220 31 0.73 18.5 6.457 164 3/8″ BSP-f
3.625 4.750 5.062 3.701 8.661 1.024 1.811 1.220 0.73 6.457 3/8″ BSP-f
3.750 95 4.803 122 5.120 130 3.701 94 8.661 220 1.024 26 1.811 46 1.220 31 0.73 18.5 6.575 167 3/8″ BSP-f
3.875 5.000 5.312 4.937 1.024 1.811 1.220 0.73 6.575 3/8″ BSP-f