A.W. Chesterton
MECHANICAL SEALS
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Name: 221
Type: Jumbo Split Seal
 

Chesterton’s 221 Jumbo Split Mechanical Seal offers the same features as the 221 Split Seal for larger shaft sized equipment.

  • For large pumps, mixers and agitators with shaft sizes up to 12" (300mm).
  • No costly disassembly of large equipment.
  • Install on-site, with the shaft in-place, over any sleeve in reasonably good condition.
  • Hydraulically balanced, computer profiled faces deliver long term, reliable sealing and compared to packing, dramatically reduce frictional drag on the shaft. 
  • Low-cost replacement parts.
  • No gluing.
  • No shop work.
  • No trouble.
221: Large Shaft Split Seal - 7 7/8 inch to 12 inch (300mm) shaft diameter
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221 [Use: ENGLISH : Metric Units]
 
   100 psig
   250 °F
 
 8.0 - 12.0 Inch

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Brochure 1
Installation
 

Technical Data
Speed: To 875rpm
Metal Parts: All Metal Parts: 316 SS
Rotary Face: Carbon
Stationary Face: Silicon Carbide
Temperature: To 120°C (250°F)
Pressure: To 7 bar (100 psi) up to 875 Rpm
Size (Inch): 8.000" to 12.000"
Size (Metric): 200mm to 300

Engineered Solutions are available.
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