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How To Prevent Leakage In Outdoor Pipelines?11 2025-08

How To Prevent Leakage In Outdoor Pipelines?

Comprehensive Strategies and Key Technologies for Preventing Leakage of Outdoor Pipelines.As an important part of urban infrastructure, outdoor pipelines require leakage prevention throughout the entire life cycle of design, construction, and maintenance. This article systematically explores the core strategies for preventing leakage of outdoor pipelines from three dimensions: analysis of leakage causes, key points of leakage prevention technologies, and detection and repair methods.
Longchangjie PE Solid-wall Spiral-wound Pipe Successfully Completed The Trial Run!!!07 2025-08

Longchangjie PE Solid-wall Spiral-wound Pipe Successfully Completed The Trial Run!!!

Qingdao Longchangjie Machinery Co., Ltd. is an important enterprise in the field of plastic machinery manufacturing in China. Its winding pipe production line is renowned for its advanced technology, unique process and excellent product performance, especially holding a leading position in the field of large-diameter winding pipe equipment. The company was formerly known as Qingdao Changjie Machinery Co., Ltd., which was established in 2000. Through over 20 years of technological accumulation, it has formed the ability to research, develop and manufacture a wide range of winding pipe equipment and related products, and its products are widely used in municipal, agricultural and industrial fields.
What Is The Chemical Resistance Of The PP Pipe?04 2025-08

What Is The Chemical Resistance Of The PP Pipe?

The PP pipes (polypropylene pipes) produced and manufactured by Qingdao Longchangjie have excellent chemical stability. This is one of the reasons why these pipes can be widely applied in various industrial fields. Here are some key chemical properties of the PP pipes:
PVC sheet production process flow31 2025-07

PVC sheet production process flow

Qingdao Longchangjie Machinery Co., Ltd. can meet the customers' demands. The aim is to produce products that satisfy the customers. The entire production process requires strict control of raw material quality and processing parameters to ensure the production of high-quality PVC sheets.
Usage Instructions For Outdoor Power Cable Protective Sleeves28 2025-07

Usage Instructions For Outdoor Power Cable Protective Sleeves

Qingdao Longchangjie Machinery Co., Ltd. describes the main aspects of the use of power cable protective sleeves, including the selection of materials, the installation process, and the final acceptance and maintenance.The following are the usage methods and precautions for outdoor power cable protective sleeves:
What Are The Basic Steps Of The Welding Process?23 2025-07

What Are The Basic Steps Of The Welding Process?

The welding process of Qingdao Longchang Jie Machinery Co., Ltd. has a clear procedural framework, and each step of the operation plays a crucial role in the final welding quality. The core process mainly consists of the following parts:
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