Electric Blind Valve

Electric Blind Valve Parameter Specifications Industry Applications

Electric Blind Valve

Product Overview

The Electric Blind Valve is a specialized isolation valve designed for fully shutting off or connecting process pipelines in automated industrial systems. Driven by an electric actuator, the valve enables remote operation, precise positioning, and safe isolation of media flow without manual intervention. It is widely used in industries requiring reliable pipeline isolation under high-temperature, dusty, or hazardous operating conditions.

The valve consists of a valve body, blind plate assembly, sealing mechanism, and electric drive system. Its robust construction ensures excellent sealing performance, operational safety, and long service life, making it particularly suitable for gas transmission, blast furnace systems, and industrial process pipelines.

OEM & Customization Capabilities

We provide comprehensive OEM and ODM manufacturing services tailored to project-specific requirements:

Custom valve sizes and pressure ratings
Electric actuator customization (on/off or intelligent control)
Customized body materials and sealing materials
Available in circular, fan-shaped, and sector blind plate designs
Customized flange standards (ANSI, DIN, EN, JIS, GB)
Integration with PLC, DCS, and SCADA automation systems
Explosion-proof actuator options for hazardous environments
Customized logo, nameplate, and packaging
High-temperature and corrosion-resistant configurations
Special coatings and surface treatments available

Certifications

Our Electric Blind Valves can be manufactured and tested according to international standards:

ISO 9001 Quality Management System
CE / PED Certification
API 598 Valve Inspection and Testing
ISO 5208 Pressure Testing Standard
ATEX Explosion-Proof Certification (Optional)
IECEx Certification (Optional)
SIL Functional Safety Certification (Optional)
ISO 14001 Environmental Management System
ISO 45001 Occupational Health & Safety Management System
NACE MR0175 Compliance (Optional)

Parameter Specifications

Parameter	Specification / Range
Valve Type	Electric Blind Valve
Structure Type	Open-Type / Enclosed-Type Blind Valve
Body Material	Carbon Steel, Stainless Steel, Alloy Steel
Blind Plate Material	Carbon Steel, Stainless Steel, Heat-Resistant Alloy
Seal Material	Graphite, PTFE, Metal Seal
Size Range	DN200 – DN3000 (NPS 8" – 120")
Pressure Rating	PN2.5 – PN40
Connection Type	Flanged
Operating Temperature	-20°C to +600°C
Drive Type	Electric Actuator
Control Mode	Local Control / Remote Control / Intelligent Control
Power Supply	AC220V, AC380V, AC415V, DC24V (Optional)
Protection Grade	IP65, IP67, IP68 (Optional)
Explosion-Proof Rating	Ex d IIB T4 / Optional
Leakage Class	Zero Visible Leakage
Testing Standard	API 598, ISO 5208
Applicable Media	Blast Furnace Gas, Air, Dust-Laden Gas, Process Gas

Industry Applications

Electric Blind Valves are widely used in industrial systems where complete isolation, remote operation, and operational safety are essential.

Iron & Steel Industry

Blast furnace gas pipelines
Hot blast stove systems
Converter gas recovery systems
Coke oven gas pipelines
Dust removal and gas treatment systems

Power Generation

Flue gas systems
Air and gas duct isolation
Boiler auxiliary systems
Environmental control equipment

Petrochemical Industry

Process gas isolation
Refinery utility systems
Chemical plant shutdown systems
Hazardous gas handling facilities

Cement Industry

Kiln gas pipelines
Dust collection systems
High-temperature air ducts
Material conveying systems

Mining & Metallurgy

Ventilation systems
Ore processing gas pipelines
Smelting plant utility systems

Environmental Protection Projects

Waste gas treatment facilities
Desulfurization systems
Industrial emission control systems
Air pollution prevention equipment

Key Advantages

Full pipeline isolation for maximum operational safety
Electric operation enables remote and automated control
Suitable for large-diameter industrial pipelines
Excellent sealing performance with minimal leakage
Reduces manual labor and improves operational efficiency
Available with explosion-proof and intelligent control systems
Reliable operation in high-temperature and dusty environments
Easy integration with modern industrial automation systems
Long service life with low maintenance requirements
Meets international standards for industrial and energy projects worldwide.

CUSTOMIZED SERVICE Customized Product

Material customization plan

Customized 316L stainless steel valves forGerman chemical enterprises. Resistant tostrong corrosion, suitable for their acidicmedium transportation systems, with aservice life extended to over 8 years.

Structural optimization design

For the Saudi desert project, the valve stemsealing structure was changed to a doublebellows design to address the leakage issuein the high-temperature and dustyenvironment, and it was highly recognizedby the customers.

Interface standard adaptation

Customized API 600 standard valves for acertain company in the United States. Theflange size is fully compatible with ANSIB16.5, ensuring zero error during on-siteinstallation and reducing the constructionperiod by 30%.