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Wave-Spring O Ring Mechanical Seals N25 with Different Material Combination for Burgmann Type M7N/M7

seal ring mechanical
O Ring Mechanical Seals N25
Replacement for:
  • Burgmann type M7N
  • Burgmann type M74
Features:
  • Wave-Spring
  • Bulk production
  • Fast delivery
  • Different material combination
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Performance Capabilities of O Ring Mechanical Seals N25

  • Temperature: -30℃ to 200℃, depend on o-ring material
  • Pressure: Up to 12 bar (unbalance type)
  • Speed: Up to 18 m/s
  • End play/axial float allowance ±1mm

Sizes of O Ring Mechanical Seals N25

14mm to 100mm

Materials Combination of O Ring Mechanical Seals N25

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

Specification of O Ring Mechanical Seals N25

O Ring Mechanical Seals by Size d D D1 L1 L2
N25-14 14 25 25 10 25.2
N25-16 16 27 27 10 25.2
N25-18 18 33 33 11.5 26.2
N25-20 20 35 35 11.5 26.2
N25-22 22 37 37 11.5 26.2
N25-24 24 39 39 11.5 28.7
N25-25 25 40 40 11.5 28.7
N25-28 28 43 43 11.5 31.2
N25-30 30 45 45 11.5 31.2
N25-32 32 47 48 11.5 31.2
N25-33 33 48 48 11.5 31.2
N25-35 35 50 50 11.5 31.2
N25-38 38 55 56 14 31.2
N25-40 40 57 58 14 31.2
N25-43 43 60 61 14 31.2
N25-45 45 62 63 14 31.2
N25-48 48 65 66 14 31.2
N25-50 50 67 70 15 32.7
N25-53 53 70 73 15 32.7
N25-55 55 72 75 15 32.7
N25-58 58 79 78 15 37.7
N25-60 60 81 80 15 37.7
N25-63 63 84 83 15 37.7
N25-65 65 86 85 15 37.7
N25-68 68 89 90 18 34.7
N25-70 70 91 92 18 42.2
N25-75 75 99 97 18 42.2
N25-80 80 104 105 18.2 42
N25-85 85 109 110 18.2 42
N25-90 90 114 115 18.2 47
N25-95 95 119 120 17.2 48
N25-100 100 124 125 17.2 48

Design Drawing of O Ring Mechanical Seals N25

O Ring Mechanical Seals N25
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