PE管は凍らせることができますか?

2025-08-19

寒い冬には、特に屋外や暖房のない環境で使用されるパイプでは、パイプの凍結亀裂が多くの人にとって懸念事項です。一般的に使用されるプラスチックパイプとして、PEパイプは給水や排水などの分野でよく使用されますが、冬に凍結亀裂が発生する可能性はありますか?プロのパイプメーカーとして、ADパイプはこの問題を詳細に分析します。

PEパイプ、またはポリエチレンパイプは、優れた柔軟性と低温での耐衝撃性を備えています。これは、PE材料自体が低温でも一定の弾力性を維持できるためであり、一部の脆性材料(PVCや金属パイプなど)が低温で脆く壊れやすいのとは異なります。PEチューブ内の水が凍結すると、水の凍結体積が膨張し、PEチューブの柔軟性により、ある程度の弾性変形が可能になり、氷の膨張による圧力が緩和されます。パイプラインの設置仕様、十分な膨張スペース、および適格なパイプ品質の条件下では、PEチューブは冬季の凍結による破裂が比較的容易ではありません。

ただし、これは、PEチューブがいかなる状況でも絶対に凍結しないことを意味するものではありません。PEチューブ内の水が完全に凍結し、凍結中に緩衝スペースがない場合(たとえば、パイプが変形せずに非常に固定されている場合)、継続的な体積膨張がPEチューブ材料の限界引張強度を超える可能性があり、パイプにひびが入ります。さらに、PEパイプ自体に、不十分な原材料純度、不均一な壁の厚さ、欠陥のある製造プロセスなどの品質上の欠陥がある場合、低温の耐衝撃性と柔軟性が大幅に低下し、凍結条件下で損傷する可能性が高くなります。

冬のPEパイプの凍結とひび割れを効果的に防ぐためには、適切な設置と保守が重要です。まず、パイプラインを敷設するときは、地域の気候条件や土壌凍結の深さに応じて、PEパイプを凍結線の下に埋めて、パイプラインが極低温環境に直接さらされないようにする必要があります。水道メーター、バルブ、短距離の明装パイプセクションなど、屋外にさらされているパイプライン部分については、熱損失を減らし、パイプ内の水の凍結を防ぐために、断熱材のラップ、断熱ケーシングの設置などの断熱対策を講じる必要があります。冬が来る前に、一時的に使用されていないパイプラインシステムの場合、パイプラインへの損傷を防ぐために、パイプライン内の水を空にする必要があります。

高品質のPEパイプ製品を選択することが基本的な保証です。プロのパイプラインメーカーとして、ADパイプは、製品が優れた柔軟性、低温耐衝撃性、および全体的な構造強度を備えていることを保証するために、高品質の原材料を厳密に選択し、高度な製造プロセスと設備を採用しています。AD PEパイプは、工場を出る前に厳格な品質検査を受けており、冬の低温の課題に対処するなど、さまざまな複雑な環境で信頼性の高い動作が可能です。

要約すると、PEパイプは、その優れた柔軟性と低温耐衝撃性により、通常の状況では冬の凍結割れのリスクが比較的低くなりますが、絶対に凍結凍結した水の体積膨張の力は非常に大きく、どのパイプも無制限の膨張圧力に完全に耐えることは困難です。ADパイプラインなどの高品質のPEパイプ製品を選択し、科学的かつ合理的な設置、断熱、保守措置を講じることにより、冬のPEパイプの凍結やひび割れの可能性を大幅に減らし、寒冷期のパイプラインシステムの安全で安定した運用を確保することができます。


We use cookie to improve your online experience. By continuing to browse this website, you agree to our use of cookie.

Cookies

Please read our Terms and Conditions and this Policy before accessing or using our Services. If you cannot agree with this Policy or the Terms and Conditions, please do not access or use our Services. If you are located in a jurisdiction outside the European Economic Area, by using our Services, you accept the Terms and Conditions and accept our privacy practices described in this Policy.
We may modify this Policy at any time, without prior notice, and changes may apply to any Personal Information we already hold about you, as well as any new Personal Information collected after the Policy is modified. If we make changes, we will notify you by revising the date at the top of this Policy. We will provide you with advanced notice if we make any material changes to how we collect, use or disclose your Personal Information that impact your rights under this Policy. If you are located in a jurisdiction other than the European Economic Area, the United Kingdom or Switzerland (collectively “European Countries”), your continued access or use of our Services after receiving the notice of changes, constitutes your acknowledgement that you accept the updated Policy. In addition, we may provide you with real time disclosures or additional information about the Personal Information handling practices of specific parts of our Services. Such notices may supplement this Policy or provide you with additional choices about how we process your Personal Information.


Cookies

Cookies are small text files stored on your device when you access most Websites on the internet or open certain emails. Among other things, Cookies allow a Website to recognize your device and remember if you've been to the Website before. Examples of information collected by Cookies include your browser type and the address of the Website from which you arrived at our Website as well as IP address and clickstream behavior (that is the pages you view and the links you click).We use the term cookie to refer to Cookies and technologies that perform a similar function to Cookies (e.g., tags, pixels, web beacons, etc.). Cookies can be read by the originating Website on each subsequent visit and by any other Website that recognizes the cookie. The Website uses Cookies in order to make the Website easier to use, to support a better user experience, including the provision of information and functionality to you, as well as to provide us with information about how the Website is used so that we can make sure it is as up to date, relevant, and error free as we can. Cookies on the Website We use Cookies to personalize your experience when you visit the Site, uniquely identify your computer for security purposes, and enable us and our third-party service providers to serve ads on our behalf across the internet.

We classify Cookies in the following categories:
 ●  Strictly Necessary Cookies
 ●  Performance Cookies
 ●  Functional Cookies
 ●  Targeting Cookies


Cookie List
A cookie is a small piece of data (text file) that a website – when visited by a user – asks your browser to store on your device in order to remember information about you, such as your language preference or login information. Those cookies are set by us and called first-party cookies. We also use third-party cookies – which are cookies from a domain different than the domain of the website you are visiting – for our advertising and marketing efforts. More specifically, we use cookies and other tracking technologies for the following purposes:

Strictly Necessary Cookies
These cookies are necessary for the website to function and cannot be switched off in our systems. They are usually only set in response to actions made by you which amount to a request for services, such as setting your privacy preferences, logging in or filling in forms. You can set your browser to block or alert you about these cookies, but some parts of the site will not then work. These cookies do not store any personally identifiable information.

Functional Cookies
These cookies enable the website to provide enhanced functionality and personalisation. They may be set by us or by third party providers whose services we have added to our pages. If you do not allow these cookies then some or all of these services may not function properly.

Performance Cookies
These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. They help us to know which pages are the most and least popular and see how visitors move around the site. All information these cookies collect is aggregated and therefore anonymous. If you do not allow these cookies we will not know when you have visited our site, and will not be able to monitor its performance.

Targeting Cookies
These cookies may be set through our site by our advertising partners. They may be used by those companies to build a profile of your interests and show you relevant adverts on other sites. They do not store directly personal information, but are based on uniquely identifying your browser and internet device. If you do not allow these cookies, you will experience less targeted advertising.

How To Turn Off Cookies
You can choose to restrict or block Cookies through your browser settings at any time. Please note that certain Cookies may be set as soon as you visit the Website, but you can remove them using your browser settings. However, please be aware that restricting or blocking Cookies set on the Website may impact the functionality or performance of the Website or prevent you from using certain services provided through the Website. It will also affect our ability to update the Website to cater for user preferences and improve performance. Cookies within Mobile Applications

We only use Strictly Necessary Cookies on our mobile applications. These Cookies are critical to the functionality of our applications, so if you block or delete these Cookies you may not be able to use the application. These Cookies are not shared with any other application on your mobile device. We never use the Cookies from the mobile application to store personal information about you.

If you have questions or concerns regarding any information in this Privacy Policy, please contact us by email at . You can also contact us via our customer service at our Site.