• Socket coupling
  • Socket coupling
Socket coupling
Socket coupling
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Product Description


SIZE dn L SDR11
PN16
S20 20  22 
S25 25  24 
S32 32  28 
S40 40  32 
S50 50  37 
S63 63  42 
S75 75  48 
S90 90  55 
si10 110  63 

Socket coupling

The National Bureau of Standards has revised the new standard GB/T13663-2000, specifying that different grades of PE80 and PE100 water supply pipes correspond to different pressure strengths. The tensile strength performance requirement from the old standard has been removed, while the elongation at break requirement has been increased (to more than 350%), emphasizing basic toughness.

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Product Description


SIZE dn L SDR11
PN16
S20 20  22 
S25 25  24 
S32 32  28 
S40 40  32 
S50 50  37 
S63 63  42 
S75 75  48 
S90 90  55 
si10 110  63 

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