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Several operations to avoid during valve installation

  • Posted: 03/17/2024 08:02:25
  • Hits: 1

In both industrial and residential settings, valves are widely utilized in various piping systems, playing a crucial role in controlling the flow of water, gas, and other substances. However, incorrect...


Chemical Composition and Performance Characteristics of 2507 Stainless Steel Seamless Pipes

  • Posted: 09/09/2023 11:07:18
  • Hits: 53

2507 stainless steel seamless pipes are a type of duplex stainless steel with a chemical composition of 25% chromium, 7% nickel, 4% molybdenum, and 0.27% nitrogen. This alloy, also known as 2507 stainless...


The Joint Performance of 304 Stainless Steel Pipe under GMAW Welding

  • Posted: 11/26/2022 19:34:59
  • Hits: 97

304 stainless steel has high strength, excellent low-temperature toughness and good weldability at-196℃, and is often used in low-temperature service pipelines of LNG core process modules. A project design...


Cracking Reasons for Deformed 316L Stainless Steel Seamless Pipes

  • Posted: 11/23/2022 18:41:26
  • Hits: 121

With the rapid development of the electric power industry, cable threading pipe has been widely popularized and applied in the process of national grid construction and transformation. In daily life,...


Surface Cracks of Small Diameter Stainless Steel Seamless Pipes

  • Posted: 11/21/2022 17:36:29
  • Hits: 78

Surface crack defects have a great influence on the quality of stainless steel seamless pipe in the manufacturing process and the use safety after delivery, which is an unacceptable defect. Therefore,...


Routine Maintenance and Fault Analysis of Pipeline

  • Posted: 10/31/2022 21:47:41
  • Hits: 17

A pressure pipeline is a common equipment for conveying liquid and gas, which is widely used in production and life. A pressure pipeline exerts a certain pressure on the material in the pipeline to realize...


Analysis and Solution of Valve Failure Mode

  • Posted: 10/31/2022 20:35:32
  • Hits: 70

The valve is the control component in the fluid conveying system, which has the functions of stopping and dredging the fluid, adjusting the flow, dredging, checking, stabilizing the pressure, dispersing...


Hydrodynamic Experiment of Large-scale Hydraulic Butterfly Valves

  • Posted: 10/28/2022 16:13:32
  • Hits: 14

The butterfly valve is installed at the front side of the unit, which not only serves to cut off the water flow in the normal maintenance stage but also ensures that the dynamic water flow is cut off...


Quality Requirements and Control of API Flat Gate Valves

  • Posted: 10/26/2022 15:58:24
  • Hits: 7

As one of the important pieces of equipment in API Spec 6 A "Specification for Wellhead Equipment and Christmas Tree Equipment", the flat gate valve is mainly used in working conditions with...


Air Inlet Penetration of Two-way Check Valves

  • Posted: 10/25/2022 13:27:15
  • Hits: 7

During the operation of CRH3 and CRH5 platform EMUs, several times, when the initial lift bow sends power, the braking of individual vehicles fails to relieve the fault, and it is found that the indirect...


Repair and Maintenance of High-pressure "Y" Globe Valves

  • Posted: 10/22/2022 20:21:31
  • Hits: 8

Application and characteristics of "Y" globe valves   A y-type globe valve is widely used, belonging to the cut-off valve, which consists of a valve seat, valve disc, valve stem, valve...


Operation and Management of Valves in Urban Water Supply Network

  • Posted: 09/30/2022 11:34:15
  • Hits: 17

Background   The pipeline management office of Nanjing Water Group Co., Ltd. is mainly responsible for the maintenance of more than 5,000 kilometers of water supply pipelines and more than 90,000...


Common Faults and Maintenance of Valves

  • Posted: 09/28/2022 11:30:59
  • Hits: 52

By analyzing the causes of valve failures and adopting corresponding treatment and improvement methods, the failure rate of the valve can be greatly reduced, and the utilization rate of the valve can...


The Selection and Maintenance of Chemical System Valves

  • Posted: 09/26/2022 11:11:32
  • Hits: 8

Characteristics of the valve   As a pipeline device, valves have three characteristics: service characteristics, structural characteristics and driving characteristics.   Usage characteristics:...


Delayed Opening Action of Pneumatic Butterfly Valves

  • Posted: 08/27/2022 20:40:07
  • Hits: 40

In a nuclear power plant, the pneumatic butterfly valve fails to open many times during the operation of the unit (the operation specification requires the opening time of the valve to be ≤120 s)....


LNG Cryogenic Butterfly Valves

  • Posted: 08/26/2022 19:08:08
  • Hits: 9

Liquefied natural gas (LNG) receiving station is an important part of China's LNG storage and transportation equipment system, and the cryogenic butterfly valve is the key equipment to ensure the...


Why We Set Valve in This Way?

  • Posted: 07/31/2022 21:54:41
  • Hits: 18

This regulation applies to the setting of gate valves, globe valves, ball valves, butterfly valves and pressure-reducing valves in petrochemical plants. Check valves, safety valves, regulating valves...


Application of Small Electric Ball Valves

  • Posted: 07/31/2022 19:41:06
  • Hits: 14

With the rapid development of the offshore oil industry and the continuous expansion of oil reservoirs, unmanned platforms will be widely used in the Bohai Rim region. The overall size of such platforms...


Seal Leakage of Ball Valves Stem

  • Posted: 07/30/2022 23:25:22
  • Hits: 67

As a pressure pipeline component, the pipeline ball valve bears not only the pressure of the medium but also the pressure caused by its uncertain factors, such as the bending load caused by unbalanced...


Medium Flow in High-Temperature Wear-resistant Ball Valves

  • Posted: 07/29/2022 15:38:43
  • Hits: 13

The ball valve is widely used in various energy transmission systems as a regulating component to control the flow rate and make and break the pipeline system. When the ball valve is applied to the harsh...


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