This is a large-diameter, high-pressure electric gate valve. The valve body is made of WCB cast steel with a blue anti-corrosion coating. It features dual electric and manual control, with a green electric actuator and handwheel on top. It supports remote automation and emergency manual operation. The connection type is flanged. This electric gate valve is suitable for on/off control of large-flow, high-pressure media.
Parameters
|
Valve body material |
WCB |
|
Applicable media |
Oil,Gas,Water |
|
Connection |
Flange |
|
Power |
Electric |
|
Sealing Type |
Hard Seal |
|
Warranty period |
12 months |
|
Certificate |
CE ,IS09001 ,IS014001,IS045001 |
Advantages
High automation adaptability
The electric actuator can be connected to PLC and DCS systems, enabling remote control and status feedback, making it suitable for industrial automated production lines;
High safety redundancy
Dual electric and manual modes prevent pipeline failure caused by a single drive malfunction;
Long-life design
Hard alloy surfacing on the sealing surface and nitriding treatment of the valve stem provide resistance to erosion and corrosion, extending the valve's service life;
Convenient installation and maintenance
Flange connection facilitates on-site installation/removal, and the high degree of component standardization makes replacement and maintenance easy.
Features
Dual-drive control
The electric actuator supports remote/automatic control, and the handwheel allows for emergency manual operation, ensuring system reliability in case of power failure or malfunction;
High-pressure sealing design
Features a hard-seal structure (metal-to-metal sealing surface, such as hard alloy overlay welding), suitable for PN100 high-pressure conditions, with a sealing class up to ANSI Class IV;
High flow rate capability
DN500 bore + low flow resistance when fully open (approximating a short pipe), meeting the needs of large-diameter pipelines for high-flow media transportation;
Durable materials
The WCB cast steel valve body offers high strength and resistance to medium and high temperatures (≤425℃), suitable for industrial media such as petroleum and chemicals.
Application Scenarios
Petrochemical industry
Medium shut-off for crude oil/refined oil transmission pipelines and high-pressure process pipelines;
01
Municipal engineering
On/off control for main water supply pipelines of large water treatment plants and urban high-pressure gas networks;
02
Power industry
Isolation valves for power plant cooling water systems and steam pipelines;
03
Mining/Metallurgy
Medium shut-off for slurry transmission pipelines and high-pressure hydraulic systems.
04
Production Process
Material Melting
WCB cast steel material is melted according to standard formulas to ensure the composition meets specifications;
Valve Body Casting/Forging
The valve body blank is formed through precision casting or forging processes to ensure structural strength;
Machining
CNC machining is performed on the valve body, gate, and other components to ensure the accuracy of sealing surfaces and flange dimensions;
Surface Treatment
The valve body is sandblasted and painted (blue anti-corrosion coating), and hard alloy is welded onto the sealing surfaces;
Assembly and Debugging
The gate, valve stem, actuator, and other components are assembled, and the opening/closing performance and sealing performance are tested;
Quality Inspection and Shipment
Pressure tests (such as hydrostatic testing) and performance tests are conducted according to API/GB standards, and the product is shipped with a certificate of conformity.
Routine maintenance
Regular inspections
Check the wiring and seals (such as packing) of the electric actuator monthly, and check for leaks at the sealing surfaces quarterly;
01
Lubrication and maintenance
Lubricate the valve stem and actuator gearbox every six months;
02
Cleaning and protection
Keep the valve body surface clean to prevent the accumulation of impurities that could affect operation;
03
Emergency testing
Test the manual operation function quarterly to ensure normal opening and closing in case of power failure;
04
Troubleshooting
If leakage occurs, prioritize checking for wear on the sealing surfaces or aging of the packing, and replace the seals if necessary.
05
Certifications
ISO certification is not only a "qualification threshold" for our company, but also a comprehensive reflection of our company's quality, compliance and competitiveness, driving our company's transformation from "low-end manufacturing" to "high-end standardization".
Company Profile
SND is a leading valve manufacturer specializing in high-performance hydraulic control valves and innovative flow solutions. Leveraging international patents and technological collaborations, we strictly adhere to the ISO 9001 quality management system, ensuring zero defects in our products and earning recognition as an industry benchmark.
Our advanced automated manufacturing processes and integrated network management ensure product reliability and have been approved by China's construction authorities. With a nationwide sales and service network, we are committed to continuous innovation, developing next-generation valve technologies and providing globally leading, reliable, and efficient flow control solutions.
FAQ
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