NMBH

NMBH

NMBH SEAL By SIZE d D D1 L1 L2
-16 16 38 35 11.5 46.7
-18 18 40 37 11.5 46.7
-20 20 42 40 11.5 46.7
-22 22 44 43 11.5 46.7
-24 24 46 43 11.5 46.7
-25 25 47 45 11.5 46.7
-28 28 50 48 11.5 46.7
-30 30 52 50 11.5 46.7
-32 32 54 56 14 46.7
-33 33 55 56 14 46.7
-35 35 57 58 14 46.7
-38 38 60 61 14 46.7
-40 40 66 63 14 46.7
-43 43 69 66 14 46.7
-45 45 71 70 15 46.7
-48 48 74 73 15 46.7
-50 50 76 75 15 46.7
-53 53 79 78 15 46.7
-55 55 81 80 15 46.7
-58 58 85 83 15 53.2
-60 60 87 85 15 53.2
-63 63 90 90 18 53.2
-65 65 92 92 18 53.2
-68 68 95 97 18 53.2
-70 70 97 97 18 53.2
-75 75 102 105 18.2 53
-80 80 107 110 18.2 53
-85 85 112 115 18.2 53
-90 90 117 120 17.2 54
-95 95 122 125 17.2 54
-100 100 127 134.3 20 54.2

DESCRIPTION:

NMBH METAL BELLOW SEAL WITH GRAFOIL PACKING

(NMBH SEAL IS CUSTOM MADE ACCORDING TO PUMP SLEEVE DESING)

OPERATIONAL CONDITIONS:

  • TEMPERATURE: -20℃ to 400℃
  • PRESSURE:≤2.0 MPA
  • SPEED:≤23M/S

MATERIALS:

  • STATIONARY RING: SILICON CARBIDE REACTION BONDED, SILICON CARBIDE SINTERED, NI-BINDER TUNGSTEN CARBIDE, CO-BINDER TUNGSTEN CARBIDE
  • ROTARY RING:RESIN IMPREGNATED CARBON, ANTIMONY CARBON, SILICON CARBIDE SINTERED, SILICON CARBIDE REACTION BONDED, TUNGSTEN CARBIDE, NI-BINDER TUNGSTEN CARBIDE
  • SECONDARY SEAL:NITRILE (NBR), ETHYLENE PROPYLENE (EPDM), FLUOROCARBON RUBBER (VITON), FFKM,GARFOIL PACKING

APPLICATIONS:

  • HIGH TEMPERTURE, HIGH VACUUM, THERMIC FLUID
  • PETRO CHEMICLS.HYDROCARBONS