News about Pipe Fittings

Packing Seal Technology: Principle, Type & Application

Packing seal, also known as stuffing box seal or compression packing seal, is one of the most widely used dynamic sealing devices in industrial equipment. It is commonly applied to the rotating shafts or reciprocating rods of centrifugal pumps, compressors, vacuum pumps, valves, and other machinery. The primary function of packing seals is to prevent internal liquid or gas media from leaking outward along the axial direction while also preventing external contaminants from entering the equipment....

Feb 26, 2026

Graphite Packing vs. PTFE Packing: What's the Difference

In modern industrial production, sealing technology plays a critical role in ensuring the safe and reliable operation of mechanical equipment. As two widely used sealing materials, graphite packing and polytetrafluoroethylene (PTFE) packing each offer unique performance advantages and are suitable for different operating environments. This article provides an in-depth analysis of the differences between these two types of valve packing from the perspectives of material composition, physical properties,...

Feb 25, 2026

How to Install Sealing Gaskets Correctly

Sealing gaskets are common sealing components in mechanical equipment and industrial piping systems. Their primary function is to prevent fluid or gas from leaking at connection points. For all types of mechanical equipment, sealing gaskets are indispensable basic components, and their installation quality directly affects the sealing performance and operational safety of the equipment. When installed correctly, sealing gaskets can effectively ensure proper sealing and support smooth equipment operation....

Feb 09, 2026

Installation and Maintenance of Packing Seals

Packing seals are one of the most commonly used sealing components in industrial pump and valve equipment. The correct installation method directly affects the sealing performance and service life of the equipment. This article systematically introduces the complete process of packing installation, including preparatory work, size selection, cutting techniques, installation steps, and commissioning methods, helping technicians master standardized operating procedures. Preparation Before Valve Packing...

Feb 04, 2026

Guide to PTFE Packing for Pumps and Valves

Polytetrafluoroethylene packing, commonly known as PTFE packing, is a high-performance sealing material manufactured primarily from polytetrafluoroethylene. To fully understand the importance of PTFE packing, it is essential first to examine its base material, polytetrafluoroethylene itself. Polytetrafluoroethylene (PTFE), often referred to as the King of Plastics, is also widely known under trade names such as Teflon, PTFE, and other regional variants. It is a high-molecular-weight polymer produced...

Jan 30, 2026

About Graphite Packing: Sealing Solution for High-Temp Applications

In modern industrial operations, sealing technology plays a critical role in ensuring the safety, efficiency, and longevity of equipment. Whether in high-temperature, high-pressure environments or in contact with highly corrosive media, industrial systems require dependable sealing materials to maintain operational integrity. Among the many options available, graphite packing stands out as a high-performance sealing solution, valued for its exceptional properties and broad applicability. This article...

Jan 24, 2026

Industrial Packing Seals: Selection, Performance & Installation

In modern industrial equipment, sealing technology is a crucial aspect for ensuring the safety, stability, and efficient operation of mechanical systems. Packing, as the most common type of sealing material, is widely used in pumps, valves, compressors, and various rotating or reciprocating shafts due to its simple structure, low cost, and strong adaptability. Understanding the basic concepts, working principles, material characteristics, and application scenarios of packing is essential for engineers...

Jan 23, 2026

Future development of 3D printing technology in flange manufacturing

The future development of 3D printing technology in flange manufacturing has received widespread attention, and its advantages and disadvantages and practical application cases have significantly affected its potential. This topic is explored in detail below. Advantages of 3D printing technology 3D printing technology is generally regarded as a manufacturing method with revolutionary advantages in flange manufacturing. First of all, in terms of cost effectiveness, the initial equipment investment...

Dec 08, 2024

How to choose the appropriate bolt material in pipeline engineering to cope with different environments

In pipeline engineering, choosing the right bolt material is a key step to ensure the integrity and safety of the pipeline. Different environmental factors will affect the performance and life of bolts, so it is necessary to make a reasonable material selection. This paper will discuss how to select suitable bolt materials according to environmental factors in pipeline engineering, and illustrate its importance through concrete examples. Influence of environmental factors on bolt material selection...

Nov 24, 2024

Hot Dipped Galvanized Nuts for Flange: Ensuring Durability and Safety in Industrial Applications

In the fast-paced world of industrial operations, every small component plays a crucial role in ensuring the efficiency, durability, and safety of the overall system. One such essential component is the ANSI B18.2.2 A194 2H hot dipped galvanized nut for flange. This specialized nut plays a vital role in joining flanges securely, preventing leakage, and withstanding the demanding conditions of various applications. Hot dipped galvanized nuts are a popular choice in industrial settings due to their...

Nov 10, 2024

The Evolution of ASTM A182 F316 WN Flanges in Modern Industries

Introduction ASTM A182 F316 WN flanges, also known as weld neck flanges, are a crucial component in various industries where piping systems are used. These flanges are made from stainless steel W.Nr. 1.4401, offering excellent corrosion resistance and durability. In this article, we will explore the hot topic revolving around ASTM A182 F316 WN flanges, their applications across different industries, and how they have evolved over time to meet the changing needs of modern engineering practices. Evolution...

Oct 13, 2024

The Versatile World of ASTM A182 F304 WN Flanges: Endless Applications and Benefits

In today's industrial landscape, the use of high-quality flanges is essential for ensuring the seamless connection and operation of pipelines, machinery, and other equipment. One such prominent flange is the ASTM A182 F304 WN Flange, also known as a Weld Neck Flange, which offers a plethora of applications across various industries due to its exceptional qualities and properties. Introduction to ASTM A182 F304 WN Flanges The ASTM A182 F304 WN Flange, manufactured from W.Nr. 1.4301 stainless...

Aug 25, 2024