낙양 CAME ENERGY TECH CO.,LTD
PPR 파이프 대 304 스테인레스 스틸,안전이란 무엇인가?
In the context of the upgrading of global health awareness in 2025, the quality of household drinking water has become the core issue of consumer concern. Studies show that 60 percent of water pollution comes from harmful substances such as heavy metals and plasticizers released by aging or poor quality pipes. This paper deeply compares 304 stainless steel pipe and PPR Drinking Water Pipeline two mainstream materials, to help you scientifically choose healthy drinking water pipes.
Part 1, 304 에스tainless 에스teel 여ater 피아이페: 시간igh-이자형nd 디urable 기음hoice
1.1 Core features
중aterial composition: Food grade 304 스테인레스 스틸 (including 18% chromium, 8% nickel), through the ISO 2037 international certification .
기음orrosion resistance: Experiments show that in the water quality with pH value of 6-8.5, the 30-year corrosion rate is lower than 0.03mm/ year .
1.2 Advantages and 엘imitations
Advantages:
0 plasticizer release, in line with WHO “Drinking Water sanitation standards” ;
고온 저항 (-20℃~400℃), suitable for floor heating, water heater and other scenes;
Service life up to 50 연령, low maintenance cost .
Limitations:
High initial cost (~에 대한 3 times that of a PPR tube);
Installation requires professional welding equipment, DIY is difficult .
Second, PPR water pipe: economic and practical mainstream choice
2.1 Material analysis
나ngredien티: Random copolymer polypropylene (PPR), passed GB/T 18742.2 national standard ;
피ressure resistance: The pressure bearing capacity at normal temperature can reach 2.0MPa to meet the demand of family water supply .
2.2 Advantages and Disadvantages
Advantages:
Affordable, suitable for families on a limited budget;
경량, easy to bend, 설치가 쉽다;
Smooth inner wall, not easy to scale .
단점:
Long-term use may release trace amounts of plasticizers (especially in high temperature water);
Weak UV resistance, easy aging when exposed outdoors .
Three, experimental data comparison: 304 stainless steel VS PPR
3.1 Bacterial growth rate test
| 지표 | 304 에스tainless 에스teel 여ater 피아이페 | PPR 여ater 피아이페 |
| 30-day colony total (CFU/mL) | ≤50 | 120-300 |
| Amount of heavy metal precipitation (μg/L) | Not detected | Lead ≤1.5 |
3.2 Service life and maintenance cost
304 에스tainless 에스teel 파이프: 이상 50 years of life, no need to replace regularly;
PPR 급수관: 15-20 years need to check the aging of the connection, the replacement cost is about $300/time .
Part 2, 시간ow 티o 기음hoose 티he 비est 중aterial 에이ccording 티o 티he 디emand?
Family scene recommendation
Infant family/high-end housing: 304 stainless steel is preferred to avoid the risk of heavy metals;
Ordinary families/short-term use: PPR plumbing pipe is more cost-effective, but need to avoid being used in hot water pipes .
Adaptation for Commercial Scenarios
Hotels and hospitals: 304 stainless steel must be used to meet high hygiene standards;
Office building, school: PPR pipeline suitable for room temperature drinking water system .
Part 3,Installation and Maintenance Guide
1,Professional Installation Points
304 에스tainless 에스teel 파이프:
Use argon arc welding process to ensure that there is no leakage in the interface;
24 hours pressure test (≥1.5 times working pressure) after installation.
PPR :
The temperature of hot melt connection should be controlled at 260±5℃ to avoid over-melting or virtual welding;
Reserve access port when concealed installation.
2,Suggestions for Routine Maintenance
Use an endoscope to inspect the inner wall of the pipe (especially the PPR pipe) every year;
Avoid flushing the pipes with strong acid/alkaline cleaners .
Part 4,Questions & Answers
Q1: Which kind of material is more suitable for the old residential area reconstruction?
에이: Recommended 304 스테인레스 스틸, strong pressure resistance and can adapt to complex water quality .
Q2: Does PPR water pipe really release harmful substances?
에이: In line with the national standard PPR pipe safety standards, but to avoid being used for > 60℃ hot water long-term transportation .
공급자
낙양대당에너지기술주식회사, 주식회사. 고품질 플라스틱 파이프 및 부속품을 전문으로 하는 선도적인 중국 제조업체입니다.. 최첨단 자동화 생산 라인을 갖추고 있으며 팀의 지원을 받습니다. 200 전문가, 우리는 이상으로 구성된 광범위한 제품 라인을 제공합니다. 150 types of plastic pipes and fittings designed for water supply and drainage systems, 가스 전달, 바닥 난방 시스템. 우리의 주요 제품은 다음과 같습니다 PVC 파이프 및 피팅, 체육 (HDPE) 파이프 및 피팅, PPR 파이프 및 피팅, 및 PEX 바닥 난방 파이프.
당사에 대해 문의사항이 있으신 경우 건강한 PPR 파이프 및 피팅, 주저하지 말고 저희에게 연락해주세요!
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