Views: 0 Author: J-VALVES Publish Time: 2019-03-15 Origin: Site
INTRODUCTION:
The J-VALVES WCB ELECTRIC ACTUATED FLANGED GATE VALVE is a high-performance industrial valve, which is widely used in industries such as petroleum, chemical engineering, electric power, and metallurgy. Its core advantage lies in the use of high-quality seal materials to ensure reliability and durability under high-temperature, high-pressure, and corrosive medium conditions. This article will compare in detail the performance characteristics of different seal materials to help users choose the products that best meet their needs.
Seal Material | Characteristics | Applicable Environments | Advantages | Disadvantages |
Reinforced Flexible Graphite | High temperature resistance, corrosion resistance, and wear resistance | High-temperature and high-pressure environments | Good sealing effect and long service life | High cost and complex processing |
Carbide Alloy | Wear resistance, corrosion resistance, and scratch resistance | High-temperature, high-pressure, and corrosive media | Long service life and high reliability | High manufacturing cost and difficult installation |
Polytetrafluoroethylene (PTFE) | Low-temperature resistance and chemical corrosion resistance | Chemical and pharmaceutical industries | Excellent sealing performance and good chemical resistance | Limited temperature range and prone to aging |
Stainless Steel | Corrosion resistance and high strength | Media such as seawater and steam | Strong durability and good corrosion resistance | Poor thermal conductivity and relatively high cost |
Rubber-Carbide Alloy | Wear resistance, high temperature resistance, and corrosion resistance | Water treatment and light industries | Stable sealing performance and flexible operation | Short service life and prone to mechanical damage |
The J-VALVES WCB ELECTRIC ACTUATED FLANGED GATE VALVE adopts multiple seal materials to meet the needs of different working conditions. The following are the selection bases for several common seal materials:
REINFORCED FLEXIBLE GRAPHITE
· Characteristics: Reinforced flexible graphite has excellent high-temperature and corrosion resistance performance and is suitable for high-temperature and high-pressure environments. Its sealing surface is smooth with low friction, which can effectively reduce wear during opening and closing.
· Application Scenarios: It is suitable for high-temperature and high-pressure working conditions in petroleum, chemical engineering, and other industries.
CARBIDE ALLOY
· Characteristics: Carbide alloy is renowned for its wear resistance and scratch resistance ability and can maintain its sealing performance under extreme conditions.
· Application Scenarios: It is suitable for occasions that require high-strength sealing, such as high-pressure steam pipelines.
POLYTETRAFLUOROETHYLENE (PTFE)
· Characteristics: PTFE has excellent chemical stability and low-temperature resistance performance and is suitable for the chemical and pharmaceutical industries.
· Application Scenarios: It is suitable for light industries and water treatment fields that require chemical corrosion resistance.
STAINLESS STEEL
· Characteristics: Stainless steel seals have strong corrosion resistance and are suitable for seawater and steam media.
· Application Scenarios: It is suitable for marine engineering and steam pipeline systems.
RUBBER-CARBIDE ALLOY
· Characteristics: Rubber-carbide alloy combines the softness of rubber and the wear resistance of carbide alloy and is suitable for a variety of media.
· Application Scenarios: It is suitable for water treatment and light industries.
Material Type | Temperature Range | Pressure Resistance Capacity | Corrosion Resistance | Service Life |
Reinforced Flexible Graphite | ≤425 °C | ≤16 MPa | Strong | Long |
Carbide Alloy | ≤425 °C | ≥16 MPa | Strong | Long |
PTFE | ≤180 °C | ≤1.6 MPa | Strong | Medium |
Stainless Steel | ≤425 °C | ≤16 MPa | Medium | Long |
Rubber-Carbide Alloy | ≤425 °C | ≤16 MPa | Medium | Short |
The J-VALVES WCB ELECTRIC ACTUATED FLANGED GATE VALVE can adapt to various complex working conditions thanks to its diverse selection of seal materials. Reinforced flexible graphite and carbide alloy are suitable for high-temperature and high-pressure environments, PTFE is suitable for the chemical industry, and stainless steel is more suitable for seawater and steam media. Users should choose appropriate seal materials according to specific working condition requirements to ensure the reliability and economy of the valves.
