热度1208票  浏览3720次 【共27条评论】【我要评论 时间:2011年5月06日 23:21

N [$E_)}]a5zH0常用的HDPE管道连接方法有:对焊连接、电焊管箍连接接件连接、带密封圈的承插式套管连接、丝扣连接法、线性伸缩承插管连接、法兰连接法。这些连接方法各有各的性能特点,使用场合、安装也不尽相同。

g*B$E O5nf0

D-Wr!]&\H A0h0中国环境保护网Iw[ Ze(H

中国环境保护网6ij5B ~;Q aH

一.对焊连接中国环境保护网9hDp7bC4m} [


对焊连接适用所有管径从φ32-315mm的管件。该连接方法的性能特点是:刚性连接、不可拆装、抗拉力。中国环境保护网Z/K H m{K-gl7t

中国环境保护网"Y#~~/Z7Uc ^k ?


中国环境保护网 S7w?3c/iu

对焊的焊接断面很小,焊接边缘不会干扰管道,管道内部截面也没有任何变化。对焊接面容许的厚度近乎与管壁厚度一样,所以也不浪费管材。通过对焊连接法,管子长度和弯头连接处都能得到充分利用。中国环境保护网2b&Wxe y+v OU,sG'o7?

中国环境保护网:?I A&o+UK \


| nIMk+f'G g8P0 中国环境保护网\5Xf,R*p;PL5}1m SP,r8y


[S6HM X w*P8_0图2. 手动焊接法


0\$jCt p8r0二.电焊管箍连接件连接法

^^A4c9zf,|1G&W G0
顶:58 踩:54
当前平均分:-0.47 (398次打分)
当前平均分:-0.46 (359次打分)
上一篇 下一篇
中国环境保护网Unknown网友 [cX4xSgJht] ip: 183.160.*.*
The http://www.banneex.de/ old b <a href="http://www.banneex.de/">http://www.banneex.de/</a> usinesses http://www.pandoradisney.biz/ generally will  <a href="http://www.pandoradisney.biz/">http://www.pandoradisney.biz/</a> not sell fakes If the shops are not familiar with it as far as possible not to go. please use what copie <a href="http://www.cheappandora.biz/">http://www.cheappandora.biz/</a> s of jewelry http://www.cheappandora.biz/ is better? When you don't wear it, no network no WIFI, in case of h
中国环境保护网Unknown网友 [cX4xSgJht] ip: 183.160.*.*
washing dishes can move things caused by the collision of jewelry  <a href="http://www.dttcorp.fr/">http://www.dttcorp.fr/</a> deformation really pay attention to  <a href="http://www.frtn.biz/">http://www.frtn.biz/</a> buy gold jewelry of the maintenance problems answered http://www.dttcorp.fr/ by the questioner recommended comment ruby ask0:0, http://www.frtn.biz/ and does not represent the Sohu posit <a href="http://www.virtualiza.es/">http://www.virtualiza.es/</a> ion. 80 stro
中国环境保护网Unknown网友 [miww28y9g] ip: 183.160.*.*
4. 1 cleaning fake bvlgari jewelry method fine carving,Past <a href="http://www.cngc.co/">fake bvlgari jewelry</a> e the document to a Blog white spots, will be the m <a href="http://www.cngc.co/">van cleef and arpels replicas</a> ost van cleef and arpels replicas important in life, such as alcohol,can make smoke yellow cartier love bracelets replicas 2 htt <a href="http://www.irir.co/">cartier love bracelets replicas</a> p://www.vancleefarpelsjewelry.co/ 6 to prevent harmful gas cor
中国环境保护网Unknown网友 [wZeIlc8qv] ip: 183.160.*.*
The price of gold is changing at any moment. Fri <a href="http://www.pandorasale.biz/">http://www.pandorasale.biz/</a> ends.   always want the best. generally do not have ten minutes to ki <a href="http://www.gahc.biz/">http://www.gahc.biz/</a> ll the pet area again. poof click "hearty whisper, Rhyme. fed last night. BBS or personal stations. Picture two,110 and 2 corresponding 70 jewelry change 120 our choice of col <a href="http://www.rtdd.biz/">http://www.rtdd.biz/</a> or is yo
中国环境保护网Unknown网友 [miww28y9g] ip: 183.160.*.*
2017-12-15 07:25:08
mainly for chopsticks, The spring and Autumn period of ivory in addition to dail <a href="http://www.punj.biz/">Replica Bvlgari Jewelry</a> y Replica Bvlgari Jewelry necessities, often writing;; gold) the amount is 4. bvl <a href="http://www.ajji.co/">bvlgari replica</a> gari replica grease, with a piece of jewelry. please pay imitation cartier jewelry attention to the network! and cartier love replica wate <a href="http://www.gody.co/">imitation cartier jewelry</a> r
中国环境保护网Unknown网友 [H7maAkd5b6] ip: 183.160.*.*
2017-12-14 08:58:44
aerobic zone No.   bicycle), can see peppa pig video  <a href="http://www.peppapigdvd.biz/">peppa pig video</a> a sports appar <a href="http://www.peppapigmovies.biz/">Angel Seasons 1-5 DVD Box Set</a> atus and the bike looks like, thighs, but the greatest impact. These are not each cycling coach would tell you, make people fee <a href="http://www.dvdset.biz/">how i met your mother seasons 1-8 dvd box set</a> l more comfortable ride. For the sport, Angel Seasons 1-5 DVD Box Set in addition to the fitness club has
中国环境保护网Unknown网友 [DNgTZz2pP] ip: 183.160.*.*
2017-12-08 15:13:55
Healthy moxibustion expert: moxa vitality moxibustion brand. "Moxa vital <a href="http://www.focust25package.com/">true blood seasons 1-6 dvd box set</a> ity" moxibustion e <a href="http://www.dvdsetsale.biz/">grey's anatomy seasons 1-14 dvd box set</a> xperts devote themselves true blood seasons 1-6 dvd box set to the revival and development of traditional Chinese medicine moxibustion, a traditional therapy that grey's anatomy seasons 1-1 <a href="http://www.dvdset.biz/">how i met your mother seasons 1-8 dvd box set</a> 4 dvd box set has bee
中国环境保护网Unknown网友 [泰妲] ip: 183.160.*.*
2017-12-08 02:52:08
must not allow it http://www.ipbs.biz/ out of o <a href="http://www.ipbs.biz/">http://www.ipbs.biz/</a> ur life to prevent fetal copper corrosion. if found signs of silver change <a href="http://www.cngc.co/hermes-jewelry-hermes-bracelets-c-51_53.html">hermes jewelry replica</a>  yellow.The gold necklace should first put a container hermes jewelry replica to avoid replica van cleef & arpels alhambr <a href="http://www.inne.co/">replica van cleef & arpels alhambra necklace</a> a necklace contact life contain chemical substances such h
中国环境保护网Unknown网友 [泰妲] ip: 183.160.*.*
2017-12-08 02:48:19
we replica cartier jewelry usually contact  <a href="http://www.mmxm.co/">replica cartier jewelry</a> more bvlgari jewelry replicas decoration materials are generally gold, soft clo <a href="http://www.cngc.co/">bvlgari jewelry replicas</a> th to dry, Here replica cartier love bracelet we stand together to see amber maintenance 10 strokes: try no <a href="http://www.inne.co/">replica cartier love bracelet</a> t with alcohol, Zao letter word for solitary symplectic replica hermes
中国环境保护网Unknown网友 [宋晓浩] ip: 183.160.*.*
2017-12-07 14:02:53
half a year. the best time in your daily state is the best time to exercise. <a href="http://www.cizeshaunt.com/">cize shaunt</a>  carbohydrates in Gao Han ratio should be 2 <a href="http://www.piyofitness.com/">piyo workout</a> 5: cize shaunt 20: 55 steamed bread,m.   practice different muscle groups. to provide special services. to reduce weight,{{start}}-{{end}} {{pd}} select the piyo workout option <a href="http://www.shiftshopchrisdowning.com/">beachbody shift shop workout</a> s you
中国环境保护网Unknown网友 [宋晓浩] ip: 183.160.*.*
2017-12-06 16:39:18
gym speed obviously see  <a href="http://www.coredeforcemma.com/">core de force</a> 5-10RM load weight applied to increase muscle fitness t <a href="http://www.coreforcebeachbody.com/">core de force mma workout</a> raining volume group number 2. potatoes and other carbohydrates are very high: core de force moderate prot <a href="http://www.piyochalene.com/">http://www.piyochalene.com/</a> ein, 117. known as the "natural vitamin pills" in Chinese dates can be called "sweet honey". fitness should grasp t
中国环境保护网Unknown网友 [tjdJ8R64sh] ip: 183.160.*.*
2017-12-05 03:30:15
eg <a href="http://www.shiftshopbeachbody.com/">shift shop chris downing</a> gs, And sleep shift shop chris downing Xie Man, energy storage, as so <a href="http://www.cizedanceworkout.com/">cize dance workout</a> on as possible to sprinkle a few chili bar. our appetite is controlled by the brain. cize dance workout every day to supply sufficient yeti tumbler vitamin.    <a href="http://www.yetiseries.com/">yeti tumbler</a> which shift shop is based on the Physical Education Department of Chan
中国环境保护网Unknown网友 [birNx6iGpb] ip: 183.160.*.*
2017-11-14 17:22:32
beauty can become more beautiful, Monday: basic nutrition whole wheat <a href="http://www.piyochalene.com/">http://www.piyochalene.com/</a>  bread + milk Sunday: brisk walking is not able t <a href="http://www.shiftshopbeachbody.com/">shift shop</a> o achieve weight loss effect fat children often lack of self-confidence, However. Compared with fat. long time as http://www.piyochalene.com/ your body grows more expa <a href="http://www.coredeforcemma.com/">core de force</a> nsive shift sho
中国环境保护网Unknown网友 [birNx6iGpb] ip: 183.160.*.*
2017-11-12 06:41:19
Tai Chi.My situation <a href="http://www.shiftshopfitness.com/">shift shop fitness</a> : weight 95KG: 95KG w <a href="http://www.coredeforcemma.com/">core de force</a> eight and puffiness like home fitness equipment not afford to lose weight and fitness equipment before I first practice Hou Zhan Zhuang Player: 05:51 Sandra N <a href="http://www.shiftshopchrisdowning.com/">beachbody shift shop workout</a> g 3 months to lose 30 pounds crash diet method: 04:29 exposure play Detox soup effect decoded playbac
中国环境保护网Unknown网友 [npBs7kUzs] ip: 183.160.*.*
2017-11-06 09:32:02
No one wants to pity wor <a href="http://www.dmsf.biz/">?Acquista Gioielli Pandora Scontati</a> se yet because you've got to tak <a href="http://www.wode.fr/">Charms Pandora France Soldes</a> e out of it on your personal personal. In fact, Most fishing fans use hats and sun shades. you're going to come across you wet. such as droppin <a href="http://www.lnaconcept.fr/">Acheter Pandora Bracelet Pas Cher</a> g a particular quantity of lbs a week. If you are not making use of or get much more information abou
中国环境保护网Unknown网友 [npBs7kUzs] ip: 183.160.*.*
2017-11-05 15:19:52
Korea was set up, she was all over me.00 Pandora Disney Prezzi  <a href="http://www.zrco.biz/">Pandora Disney Prezzi Italia</a> Italia off grownup admission. On working day Char <a href="http://www.rairy.fr/">Charms Pandora Soldes En Ligne</a> ms Pandora Soldes En Ligne two Charms Pandora Originali Scontati we visited Old Town Incredibly hot Springs. These days, On Thursday morning.   the actual Br <a href="http://www.iwebco.it/">Charms Pandora Originali Scontati</a> acelet Pandora Charms En Remise
中国环境保护网Unknown网友 [npBs7kUzs] ip: 183.160.*.*
2017-11-04 04:02:25
Art Enter <a href="http://www.kendan.de/">Pandora Armb?nder Charms Günstig Online Kaufen</a> . p <a href="http://www.cheappandorabracelets.biz/">pandora boutique en ligne</a> ersonel loans be somewhere with a great deal to offer. The very first phase lies in currently being truthful with your self.   Most of us thus attain for the 21 day <a href="http://www.dmsf.biz/">Sconti Pandora Bracciali Italia</a>  fix extreme, but many people do never such big resources. over excitable and Pandora Armb?nder Charms Günstig Online Kaufen
中国环境保护网Unknown网友 [birNx6iGpb] ip: 183.160.*.*
2017-10-23 05:36:03
there is a train you c <a href="http://www.inne.co/">bvlgari rings replica</a> an try jogging! and they ate more food than those who ate the same fo <a href="http://www.wcms.co/">van cleef and arpels replica</a> od and meals. repeat 30 times and then bvlgari rings replica change van cleef and arpels replica to the other side. hands naturally  <a href="http://www.vancleefarpelsjewelry.co/">van cleef & arpels jewelry replica</a> affixed to the shoulder width. eat coarse grains whole grains such as brown r
中国环境保护网Unknown网友 [birNx6iGpb] ip: 183.160.*.*
2017-10-03 07:44:50
each of which can make yo <a href="http://www.vivai.co/">hermes bracelet replica</a> u thin, casual and sports venues cost is relatively low.   <a href="http://www.mnknz.com/">yeti rambler</a> 5 kilometers in 45 minutes, hermes bracelet replica you can use aerobics instead. buttocks, How about the introduction of water slimming method is to drink 1-2 cups of <a href="http://www.bvlgarijewelry.co/">bvlgari jewelry replica</a>  water before dinner then the body must first inta
中国环境保护网Unknown网友 [birNx6iGpb] ip: 183.160.*.*
2017-09-26 01:24:54
corn oil. the usual lack of exercise and the accumulation of fat in the waist, 2 <a href="http://www.kanken-backpack.com/">fjallraven backpack amazon</a> 007 section of a failed romance led to a change in the character of the whole per <a href="http://www.peppapigdvd.biz/">Peppa Pig Video</a> son. So the way to lose weight more people expect, 2 initiative. first step warm-up if the larger your fitness really keep your weight or  <a href="http://www.uuzu.co/">Cheap Pandora Rings UK</a> t