三区一级_97欧美一乱一性一交一视频_精品国产一区二区三区久久久樱花_久久久99国产精品免费_国产精品午夜福利_国产大屁股喷水视频在线观看

CLOSE
7986189325792508215cfff743596e75
PP-R PLUMBING SYSTEM

RIFENG PP-R plumbing system, made out of high-quality polypropylene random copolymer, can be utilized in both residential and commercial buildings.

Technical specification

Advantages :

? Applied for potable water pipeline system with hygienic and non-toxic features.

? High temperatures and high pressure resistant.

? Heat preservation and energy saving during the flow.

? Lighter and more smoother than the metal pipe.

? The reliable and convenient connecting pipes and fittings by homogeneity melt.

? Notice free at high flow rates.

? Fusion technology's speed and ease of use.

? Significant time and labour savings.

? A long lifespan up to 25 years under normal conditions.
?

Applications:
RIFENG PP-R piping system can be used in following applications:

? Cool and hot water distribution

? Pipes for connecting various types of low-temperature heating systems

? Pipes for solar energy system heating and cooling settings

? Cold water piping for air conditioners
?

Application areas:

? Potable water, hot and cold water, chemicals, irrigation

? Apartments, condominiums, and public housing

? Commercial shopping malls, as well as office buildings

? Chemical and food processing manufacturing plants

? Hospitals

? Schools, laboratories and chemical sewerage

? Hotels and resorts

Standards:
NSF /ANSI /CAN 61 – about Health Effects of Drinking water system components
DVGW W 544 – about PP-R pipe general mechanical requirement
DVGW W 270 – about Hygienic property of material
UBA KTW – about Hygienic property of material odor test
DIN 8077 – about Polypropylene pipe dimension
DIN 8078 – about Polypropylene pipe general quality requirement and testing
EN ISO15874 – about Plastic piping system for hot and cold water installation


Certificates:
NSF – from USA, refers to NSF /ANSI /CAN 61
DVGW – from German, refers to DVGW W 544,UBA KTW,DVGW W 270
AENOR – from Spain, refers to EN ISO 15874
CE – from Europe, refers to EN ISO 15874
ISO 9001:2015 – “Quality management system”
ISO 14001:2015 – “Environmental management system”
ISO 45001:2018 – “Occupational health and safety management system”


?????

??? ??
?

TYPE PPR?Pipe PVC?Pipe Copper?pipe
Roughness(μm) 0.4~1.0μm? ? ?? 1.5mm ≥2.0μm
Melting?point?(℃) 145 No?obvious?melting?point,?softening?point?around?85℃ >900
Density?(g/cm3) 0.89~0.91 1.42 8.96
Modulus?of?elasticity?(MPa) 800 2900-3400 105-137?GPa
Thermal?conductivity?(w/mK) 0.24 0.16 388~391
Coefficient?of?thermal?expansion?(mm/mK) 0.15 8*10-5 0.017
? ? ? ?
Property Test?Method ?Unit? Value
Melt?Flow?Rate
MFI?190/5 ISO?1133 g/10?dk.? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?? 0.5
MFI?230/2.16 ISO?1133 g/10?dk. 0.3
MFI?230/5 - g/10?dk. 1.5
Density?at?23℃ ISO?1183 g/cm3 0.9
Tensile?Stress?at?Yield ISO?527 Mpa 25
Elongation?at?Break ISO?527 % >50
Modulus?of?Elasticity,?Tensile?Test ISO?527 N/mm2 900
Impact?Strength?(Charpy)
23℃ ISO?179/1eU Kj/m2 No?failure
0℃ ISO?179/1eU Kj/m2 No?failure
-10℃ ISO?179/1eU Kj/m2 No?failure
Notched?Impact?Strength?(Charpy)
23℃ ISO?179/1eA Kj/m2 20
0℃ ISO?179/1eA Kj/m2 4
-10℃ ISO?179/1eA Kj/m2 3
Coefficient?of?Linear?Thermal?Expansion DIN?53?752 K-1 1.5×10-4
Thermal?Conductivity?at?20℃ DIN?52?612 W/mK 0.24
Specific?Heat?at?20℃ Adiabatic?Calorimeter Kj/kg?K 2
Standard Dimension Ratio?(SDR)
RIFENG PPR pipe provide the following SDR-sizes:
  1. SDR6
  2. SDR7.4
  3. SDR9
  4. SDR11
Dimensions: 20mm,25mm,32mm,40mm,50mm,63mm,75mm,90mm,110mm,160mm
Reliable homogeneous connections
Homogeneity melting provides reliable connection strength and sealing property between PP-R pipes and PP-R fittings.




Metal thread connection
Rifeng also provides metal thread connection methods?to achieve connection conversion between different?scenarios.?
Rifeng PP-R fittings have an unique structure - swallow tailed structure on the metal insert, which can eliminate the risk of leakage from gaps caused by different thermal conductivity performances of brass and plastic.
Rifeng holds the exclusive patent to manufacture these fittings.




SWALLOW TAILED NOTCH?? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?36 BITING POINTS? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ??BUTTON SAFETY RING?? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ??
Avoid leakage risk caused by? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Anti-axial slip between metal? ? ? ? ? ? ? ? ? Anti-over-twist when installing
different thermal expansions.? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?insert and the plastic part.? ? ? ? ? ? ? ? ? ? ? devices with threads.
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ??? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ??

?

返回頂部
CLOSE
主站蜘蛛池模板: 日韩精品一区二区三区视频网 | 中文字幕在线观看视频免费 | 四只虎影院在线免费 | 亚洲欧美日韩精品在线 | xxx欧美xxx| 亚洲国产一区二区三区在线观看 | 一级片大全 | 国产乱人伦偷精品视频 | a集毛片| 丝袜a∨在线一区二区三区不卡 | 自拍偷拍视频亚洲 | 免费看日本黄色片 | 国产人成在线视频免费播放 | 麻豆精品久久久久久中文字幕无码 | 国产亚洲精品久久久久的角色 | 国产精品18久久久久久首页狼 | 日韩av免费无码一区二区三区 | 精品中文字幕一区 | 欧美xxxav| 噼里啪啦动漫在线观看免费 | 国产一级片免费视频 | 国产精品人妻无码久久久苍井空 | 三级一区二区三区 | 国产精品草草在线观看 | 国产成人精品一区二区三区在线观看 | 777黄色| 国产成人亚洲综合91 | 欧美炮房 | 日韩拔插拔插 | 中文字幕在线播放不卡 | 亚洲欧美视频在线观看 | 国产一a在一片一级在一片 日韩一级网址 | 91成人入口 | 成人做爽爽爽爽免费国产软件 | 精品二区在线 | www.哥也色.com | 国产精品av一区二区三区 | 久久久亚洲欧洲日产国码是AV | 四虎影视黄色 | 精品视频手机在线观看 | 久久全国免费视频 |