Multi Spring Type Medium Pressure Un-Balance Seal

Multi Spring Type Medium Pressure Un-Balance Seal

SKU ALS 172NB Category

Technical data / STANDARD MATERIALS

  • Metal Parts : 316 Stainless Steel.
  • Springs : Alloy 20
  • O-Ring : Fluorocarbon installed. Ethylene Propylene(EP) or Kalrez available upon request.
  • Rotating Face : Carbon, Solid Tungsten Carbide or Silicon Carbide available upon request.
  • Stationary Face : Alumina Ceramic, Solid Tungsten Carbide or Silicon Carbide.

※ Other Materials on Special Order.

Applications

  • All types of rotary equipment, pumps,marine, mixers, agitators and compressors in a variety of service applications.
  • Medium Pressure, Medium Speed Pumps.
  • Stator Cooling Water Pump for Nuclear & Thermal Power Plant.

Operating Conditions

  • Temperature : -40℃ to + 200℃ / -40℉ to + 500℉Depending on materials used
  • Pressure : Up to 15kg/C㎡

Size in Millimeters

Shaft Dia D1 D2 D3 L1 L2
1/2 1 1 1/32 15/32 13/16 5/16
5/8 1 1/4 1 3/16 1 5/16 3/4 13/32
3/4 1 3/8 1 5/16 1 7/16 7/8 13/32
7/8 1 1/2 1 7/16 1 9/16 15/16 13/32
1 1 5/8 1 9/16 1 3/4 1 7/16
1 1/8 1 3/4 1 11/16 1 7/8 1 11/16 7/16
1 1/4 1 7/8 1 7/8 2 1 1/16 7/16
1 3/8 2 2 2 1/8 1 1/8 7/16
1 1/2 2 1/8 2 1/8 2 1/4 1 1/8 7/16
1 5/8 2 3/8 2 3/8 2 1/2 1 3/8 1/2
1 3/4 2 1/2 2 1/2 2 5/8 1 3/8 1/2
1 7/8 2 5/8 2 5/8 2 3/4 1 3/8 1/2
2 2 3/4 2 3/4 2 7/8 1 3/8 1/2
2 1/8 3 3 3 1/8 1 11/16 9/16
2 1/4 3 1/8 3 1/8 3 1/4 1 11/16 9/16
2 3/8 3 1/4 3 1/4 3 3/8 1 11/16 9/16
2 1/2 3 3/8 3 3/8 3 1/2 1 11/16 9/16
2 5/8 3 3/8 3 1/2 3 5/8 1 11/16 5/8
2 3/4 3 1/2 3 5/8 3 3/4 1 11/16 5/8
2 7/8 3 3/4 3 3/4 3 7/8 1 11/16 5/8
3 3 7/8 3 13/16 4 1 11/16 5/8
3 1/8 4 3 15/16 4 1/16 1 11/16 25/32
3 1/4 4 1/8 4 1/8 4 1/4 1 11/16 25/32
3 3/8 4 1/4 4 1/4 4 3/8 1 11/16 25/32
3 1/2 4 3/8 4/3/8 4 1/2 1 11/16 25/32
3 5/8 4 1/2 4 1/2 4 5/8 1 11/16 25/32
3 3/4 4 5/8 4 5/8 4 3/4 1 11/16 25/32
3 7/8 4 3/4 4 3/4 4 7/8 1 11/16 25/32
4 4 7/8 4 7/8 5 1 11/16 25/32

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