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Tel：0576-8917-1999

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    Technical
    

    The company has the foreign trade proprietary import and export right, the product sells the domestic, the foreign market, has higher awareness and
Reputation, the credibility of the enterprise.

    

    

    

    

    



    


    

      

    • 
09
      2016-07      
Installation
      ?1. Assemble proper materials  for  the  job (proper cement, primer and applicator for the size of piping system to be assembled)
      • 

    • 
09
      2016-07      
Installation Ⅲ
      A. Characteristics
Threading of PVC or CPVC pipe  is only recommended  for Schedule 80. The wa l l thickness i s diminished at the point of  threading and  thereby  reduces  the maximum working pressu...
      • 

    • 
09
      2016-07      
Pressure/Temperature Relationship - PVC
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    • 
09
      2016-07      
Thermal Linear Expansion of PVC and CPVC Pipe
      Thermal expansion and contraction is fairly common inmost piping materials. The coeficient of linear expansion or expansivity for PVC and CPVC pipe is the ratio of the change in pipe length per degree...
      • 

    • 
09
      2016-07      
Water Flow Characteristics — Water-hammer
      When a pipe  contains a  column of moving  liquid, considerable kinetic energy  is stored  in  the  liquid by virtue of  its mass and velocity.  If  the velocity  is suddenly destroyed by  the quick c...
      • 

    • 
09
      2016-07      
Water Flow Characteristics
      The  friction  loss  in hydraulic  flow can be evaluated through  the use of various low coeficients. One such coefficient  is  the Hazen-Williams C  factor. This  factor for PVC and CPVC plastic pipi...
      • 

    • 
09
      2016-07      
Pressure/Temperature Relationship
      1. Threading Schedule 40 and SDR/PR pipe  is not recommended.
2. Threading Schedule 80 pipe above 4"  is not recommended.
3. CPVC  threaded connections should be avoided when possible at elevated  tem...
      • 

    • 
09
      2016-07      
Installation Ⅱ
      Helpful Hints
  1.?Work   quickly and carefully. 
  2. Use liberal amounts of   fresh cement.
  3. Do not attempt cementing  in  the    rain or  in  the presence of moisture.
  4. Do not   cement whe...
      • 

    

    


    



    

    

    

    


    


    

    

    

    

    
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    Copyright  ? 2017 Zhejiang Huangyan Minghua Plastic Pipe Fittings Co.,Ltd.All Rights Reserve.    浙ICP備11019802號(hào)-1  浙公網(wǎng)安備 33100302000346號(hào) XML |
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