API 682
First Time in India
Manufactured by Leak-Proof Only
 
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  Unbalanced Seal
Single Acting, Independent of Direction of Rotation
  Mechanical Seal Series 731 & 77
  Standard Style:
  Face Materials: Carbon / Ceramic
Carbon / Lecrolloy
Metal Parts: SS 316
Secondary Seal :
Nitrile
  Applications:
 
Water Pumps
Submersible Pumps
  Seal Characteristics:
 
Single acting
Unbalanced
Conical spring (731)
Single helical coil spring (77)
Independent of direction of rotation
Torque transmission by Elastomer Collar
  Operating Limits:
  Shaft Diameter d1 : 6 .....70mm
Pressure p : 6 bar (max)
Temperature t : -20 ... +900C
Velocity v : 12 m/sec
 
 
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  Series 731 : This is single coil taper spring with elastomeric bellow seal. This is a desposible seal (cheaper in cost,hence spares can not be available). This seal is speacially developed for monoblock pumps and water application only.This seal will get accomodated in less axial length.
Series 77 : This is single coil spring with elastomeric bellow seal. This is a desposible seal, cheaper in cost, hence sparescan not be available. This seal is speacially developed for water and light duty applications.
 
 
 
 
 
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