夜色撩人在线观看,欧美人禽杂交狂配,日本肉体xxxx裸体137大胆,亚洲一区av在线观看,性做久久久久久免费观看,国产精品久久久久久人妻无,人妻天天爽夜夜爽一区二区,99久久精品费精品国产

Chinese

ENGLISH

Product Center

Contact Us

河北興盛塑料管業有限公司

Website     :www.nouqu.cn

Contact     :Manager Zhang

Phone       :13933323655

Mail          :hbxsslgy@163.com

Buy online:https://shop377465757.taobao.com/

PE Pipe Products PE-Pipeline
PE100 grade water supply pipe

Product introduction

PE100級給水管材
 
First, performance characteristics:
 
1, good health performance: PE water supply pipe in line with the drinking water sanitation standard GB/T17219 provisions, no scaling layer, a good solution to the secondary pollution of urban drinking water.
2, good corrosion resistance: in addition to a few strong oxidants, can withstand the erosion of a variety of chemical media; No electrochemical corrosion; Buried in the soil, no decay, no rust, long-term application without leakage.
3, long service life: under rated temperature and pressure conditions, PE pipes can be used for a long time. 4, impact resistance: PE pipe toughness, high impact strength, heavy objects directly pressed through the pipeline, not easy to lead to pipeline rupture.
5, good construction performance: easy and reliable connection, light weight, easy installation and maintenance.
6, outstanding low temperature resistance: can be used in the temperature range of -20~40℃.
7, high-quality tensile resistance to fracture: PE pipe with high toughness, its elongation at break is higher, the ability to adapt to the uneven settlement of the pipe base is very strong, excellent seismic performance.
8, large circulation capacity: PE water pipe inner wall roughness coefficient is low, can effectively reduce water consumption. No clogging, high transmission efficiency.
 
 
2. Scope of use:
Drinking water for people and animals, low-pressure irrigation, water temperature does not exceed 45 degrees. (Example: urban tap water supply project, internal and external building water supply, industrial and mining enterprise water supply, buried fire protection project, farmland water-saving irrigation, garden and horticultural water supply, aquaculture water supply, etc.)
 
 
Iii. Technical requirements:
1, color: natural (white), black, other colors can be customized
2, connection mode: hot melt socket, hot melt butt


  • Official Website

  • Taobao Shop

  • Wechat Account
主站蜘蛛池模板: 中文字幕av无码不卡免费| 精品一区二区三区四区五区六区| gogogo高清免费观看日本电影| 三年在线观看免费观看完整版中文| 456亚洲影院| 亚洲日韩中文字幕在线播放| 水多多凹凸福利视频导航| 中文字幕av无码免费一区| 亚洲av无码专区亚洲av| 国产成人av电影在线观看第一页| 久久精品人人做人人爽| 香蕉av福利精品导航| 人妻用嘴含精大口吞精| 忘记穿内裤被同桌摸到高潮app| 国产精品国产三级国产av剧情| 中文字幕精品一区二区2021年| 免费特级黄毛片| 亚洲色大成网站www永久男同| 最近中文字幕免费手机版| 久久国产精品99久久久久久口爆| 在线电影高清| 高清性欧美暴力猛交| 欧美变态另类刺激| 巴西肥妇bbw| 高清自拍亚洲精品二区| 成全电影大全免费观看完整视频| 超薄肉色丝袜一区二区| 久久中文骚妇内射| 99视频+国产日韩欧美| 精品国产一区二区三区香蕉蜜臂| 丰满的少妇愉情hd高清果冻传媒| gogo人体做爰大胆视频| 精品少妇一区二区三区视频| 亚洲午夜久久久影院| 高清性做爰免费视频无遮挡| 少妇愉情理伦片丰满丰满午夜| 欧美猛男军警gay自慰| 我们免费观看高清完整版日本| 后入内射无码人妻一区| 精品无码国产av一区二区三区| 欧美国产日韩久久mv|