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Multi-Spring O Ring Mechanical Seals N21 with Simple Design for Burgmann Type H10

N21 o ring mechanical seal
O Ring Mechanical Seals N21
Replacement for:
  • Burgmann type H10
Features:
  • Multi-Spring
  • Simple design
  • Easy installation
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Performance Capabilities of O Ring Mechanical Seals N21

  • Temperature: -20℃ to 180℃, depend on o-ring material
  • Pressure: Up to 25 bar
  • Speed: Up to 35 m/s
  • End play/axial float allowance ±0.1mm

Sizes of O Ring Mechanical Seals N21

15mm to 100mm

Materials Combination of O Ring Mechanical Seals N21

  • Face: Carbon, SiC, TC
  • Seat: Ceramic, SiC, TC
  • O-rings: NBR, EPDM, VITON, Aflas, FEP, Kalrez, Chemraz etc.
  • Spring: SS304, SS316, Hastelloy C
  • Metal parts: SS304, SS316

Specification of O Ring Mechanical Seals N21

O Ring Mechanical Seals by Size d d1 d2 d3 d4 L2 L3
N21-15 15 16 34 42 22.6 17 15
N21-18 18 19 37 45 25.6 17 15
N21-20 20 21 40 48 27.6 17 15
N21-22 22 23 42 50 29.6 17 15
N21-25 25 26 44 52 32.8 17 15
N21-28 28 29 47 55 35.8 17 15
N21-30 30 31 50 58 37.8 17 15
N21-32 32 33 52 60 39.8 17 15
N21-35 35 36 54 62 42.8 17 15
N21-38 38 39 57 65 45.9 17 15
N21-40 40 41 60 68 47.9 17 15
N21-42 42 43 64 72 49.9 17 15
N21-45 45 46 67 75 52.9 17 15
N21-48 48 49 72 80 55.9 17 15
N21-50 50 51 72 80 58.2 17 15
N21-52 52 53 74 82 60.2 17 15
N21-55 55 56 77 85 63.2 17 15
N21-58 58 59 82 90 66.7 17 15
N21-60 60 61 82 90 68.7 17 15
N21-65 65 66 87 95 73.7 19 16.5
N21-68 68 69 92 100 76.7 19 16.5
N21-70 70 71 92 100 78.7 19 16.5
N21-75 75 76 100 108 83.7 19 16.5
N21-80 80 81 104 112 88.7 19 16.5
N21-85 85 86 110 118 93.7 19 16.5
N21-90 90 91 114 122 99.5 19 16.5
N21-95 95 96 120 128 104.5 19 16.5
N21-100 100 101 124 132 109.5 19 16.5

Design Drawing of O Ring Mechanical Seals N21

O Ring Mechanical Seals N21
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