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Model No. : | C002 |
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Product description
PE pipe fitting for water supply performance requirement | |||||||||
Name | Requirements | Test parameters | |||||||
Hydrostatic strength | ≥ 100h No leaks no failure | 20degree, PE 80: 10.0MPa PE100: 12.4MPa | |||||||
≥ 165h No leaks no failure | 80degree, PE 80: 4.6MPa PE100: 5.5MPa | ||||||||
≥ 1000h No leaks no failure | 20degree, PE 80: 4.0MPa PE100: 5.0MPa | ||||||||
(MFR)Melt flow rate | Change in MFR by processing< ± 20% | 10min | |||||||
Thermal stability | ≥ 20min | 200degree | |||||||
Cohesive resistance for electrofusion socket fitting | Length of intiation rupture in brittle failure≤ L2/3 | 23degree | |||||||
Cohesive resistance for electrofusion socket fitting | Rupture surface in brittle failure≤ 25% | 23degree | |||||||
Tesile strength for butt fusion fitting-spigoted fittings | Test to failure, ductile: pass; brittle: fail | 23degree | |||||||
Impact resistance of tapping tees | No leaks, no failure | Mass of striker(2500± 20)g; Height: (2000± 10)mm | |||||||
Mechanical joints | |||||||||
Leaktingtness under internal pressure | No leaks, | 1h 1.5× pipe(PN, Nominal pressure) | |||||||
Leaktingtness under internal pressure when subjected to bending | No leaks, | 1h 1.5× pipe(PN, Nominal pressure) | |||||||
External pressure test | No leaks, | 1h P=0.01MPa, 1h P=0.08Mpa | |||||||
Resistance to pull out under constant longitudinal force | No pull-out or separation of the pipe from the fitting | 1h 23degree |
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