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    :: Pi - Type  
     
 
 
     
 
 
      With the progress of rationalization and modernization in marine transportation. the more effective and safe ship berthing has become the important requirement. For the recent ships which are generally designed to lighten their weight for their sizes, it would be insufficient only to employ the larger size in conventional type of fender. 
       Pi-Type Fender has been developed to meet the latest requirements as mentioned above, particularly for the wharves for the large ship more than 30,000DWT. With the progress of rationalization and modernization in marine transportation, the more effective and safe ship berthing has become the important requirement. The large ship more than 30,000 dwt, bulk carrier and the ship with ship's belt, like ferry boat or Ro-Ro ship, need the rubbing board which is fixed with the frame bolts on the rubber buffers. For this kind of use, pi-type fender was developed in 1970 and has been improved. Pi-type Fender accepts the berthing ship with its wide rubbing board to permit the ship to make sate berthing at the lower face pressure. As Sumitimo always seeks for the most cost effective fender, we introduce Ultra Pi-type(UPi-type)fender, here, that has higher performance and maintains the advantagerous features of pi-type fender. We hope that UPi-type fender can have the place-to show its superior performances and provides the best assist for the safe and effective berthing.
 

 
 
 
   
      >> Merits of Pi-TYPE FENDER  
 
  
 
       1.PRACTICAL FOR DESIGN OFFENDER SYSTEM MOST ECONOMICAL AND RESPONDENT TO ANY  REQUIREMENTS.  
  (1)It is allowed to select rubber legs of Pi-Type Fender in any length.
(2)Along with the above character, the variety in rubber compound of rubber leg enables the clients to select the most advantageous size or length of rubber leg from the view of economy.
The standard rubber compounds are ranged as follows in energy absorption capacity and reaction load
 
       
      Rubber Compound  
     
CS or CPS
CA or CPA
C0 or CP0
C1 or CP1
C2 or CP2
C3 or CP3
C4 or CP4
155 
150 
140 
120 
100 
 80
 60
Hard <---- Stiffness ----> Soft
 
     
 
(3)Pi-Type Fender comprises the members of a rubbing board and independent pieces of rubber leg. This permits the assembly of rubber leg pieces to a rubbing board at any span according to the dimensions of rubbing board. (The rubber legs of Pi-400H size, however, are formed in a unit exceptionally)
(4)Energy Absorption and Reaction Load figures are proportional to the length of rubber leg.
 
   
     
 
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