Product Overview

Core Structure & Components 

• Left/Right Blind Body: Forms the main sealing structure with the sliding blind plate, ensuring reliable sealing under high pressure.
• Sliding Blind Plate: The core component for pipeline isolation and opening, moving horizontally via the screw pair.
• Support Shaft: Provides stable support for the blind plate and ensures smooth sliding movement.
• Handwheel/Screw Pair: Transmits torque to loosen the valve body and adjust the blind plate position.
• Actuator (Optional): Electric or pneumatic actuator can be equipped to realize automatic operation, improving safety and efficiency.

Key Advantages

• High Pressure Adaptability: Covers PN1-PN40, suitable for high-pressure pipeline systems.
• Quick Operation: Completes plugging in 3-5 minutes, significantly reducing downtime for medium and small-bore pipelines.
• Reliable Sealing: Adopts high-performance sealing materials and structure, ensuring zero leakage under high pressure.
• Flexible Drive: Supports manual, electric and pneumatic actuation to meet different site requirements.
• Safe & Efficient: Replaces manual operation, reducing labor intensity and operational risks in high-pressure environments.
• Compact Structure: Small size, easy to install and maintain, suitable for limited space.

Application Industries

• Refining Industry: Ethylene furnaces, coke removal lines, steam pipelines, separator isolation, flare gas lines, etc.
• Chemical Industry: Reactor blowdown ports, chemical cleaning isolation devices, regenerated gas pipelines, transfer pipelines, mixed medium pipelines, etc.
• Cement Industry: Finished product pipelines, oil depot tanks, petrochemical storage tanks, natural gas storage tanks, loading/unloading stations, etc.

Why Choose This High Pressure Quick Opening Blind Plate? 

• Efficient Maintenance: Minimizes medium and small-bore high-pressure pipeline downtime and improves production efficiency.
• High Pressure Sealing: Reliable sealing performance under PN40 pressure, ensuring safe operation.
• Flexible Drive Options: Meets different operation requirements with manual, electric and pneumatic actuators.
• Safe Operation: Reduces manual operation risks in hazardous high-pressure environments.
• Compliant: Meets national and international standards, ensuring compatibility and reliability.
• Long Service Life: High-quality materials and robust design extend the product’s service life under harsh high-pressure conditions.