China Customized Electric Gate Valves Suppliers - Low Price Electric Gate Valves

Electric Gate Valves | Motorized Valve Manufacturer & Supplier

Automated heavy-duty gate valves engineered for zero-leakage pipeline isolation and remote system control.

Product Overview

An electric gate valve combines a rugged gate valve with a multi-turn electric actuator to automate liquid and gas shut-off. The motorized unit drives the internal wedge to open or seal the pipeline without manual handwheel effort.

Built exclusively for full-flow isolation rather than flow throttling, the gate lifts entirely out of the flow path when open to minimize pressure drop. Motorized operation simplifies fluid control across buried pipelines, large mains, and hard-to-reach industrial processing lines.

Key Advantages of Electric Gate Valves

01/

Remote Operation Capability
Operate full-bore isolation valves safely from central control rooms without sending operators into hazardous field areas.

02/

Automated System Integration
Connect directly to facility DCS and PLC infrastructure using standard feedback signals and industrial bus protocols.

03/

Zero-Leakage Isolation
Deliver dependable bidirectional sealing designed for critical shut-off across water, gas, and chemical pipelines.

04/

Effortless Large-Diameter Control
Eliminate manual gearbox effort on large-bore lines through automated high-torque motor actuation.

05/

Flexible Actuator Selection
Configure electrical drive units to match specific voltage, explosion-proof, enclosure, and emergency fail-safe requirements.

06/

Minimized Maintenance Overhead
Reduce routine maintenance costs and site visits using continuous electronic position and torque monitoring.

Main Components

A complete electric gate valve package includes the following precision components:
• Heavy-Duty Valve Body
• Bolted or Pressure-Sealed Bonnet
• Machined Wedge Gate (Flexible, Solid, or Resilient)
• Heavy-Duty Valve Stem
• Replaceable Body Seats
• Stem Packing and Gland Assembly
• Standardized Actuator Mounting Flange (ISO 5210/5211)
• Multi-Turn Electric Actuator
• Mechanical and Electronic Position Indicators
• Manual Override Handwheel (Declutchable Mechanism)

Primary casting alloys and internal trim are selected based on working pressure, chemical compatibility, and ambient site conditions. Actuators are paired using precise stem thrust calculations to ensure reliable valve operation.

Technical Specifications

Parameter	Specification Options
Valve Type	Electric Actuated Gate Valve
Operation	Multi-Turn Electric Actuator (On/Off or Modulating)
Nominal Size	DN50 to DN2000 (2 inches to 80 inches)
Pressure Rating	PN10, PN16, PN25, PN40, Class 150, Class 300, Class 600
Body Material	Cast Iron, Ductile Iron, WCB Carbon Steel, CF8/CF8M Stainless Steel, Duplex Alloy
Seat Material	Resilient EPDM/NBR, Metal-to-Metal Stellite Hardfaced
End Connection	Flanged (EN1092-1 / ASME B16.5), Butt Weld (ASME B16.25), Threaded
Stem Design	Rising Stem (OS&Y), Non-Rising Stem
Gate Design	Flexible Wedge, Solid Wedge, Resilient Seated Wedge
Actuator Interface	ISO 5210 Direct Mounting Base
Power Supply	220V AC, 380V AC, 415V AC, 24V DC (Single / 3-Phase)
Control Signals	On/Off Switch, 4-20mA Analog, Modbus, Profibus, HART
Enclosure Protection	IP67, IP68 Weatherproof, ATEX / IECEx Explosion-Proof
Media Compatibility	Water, Wastewater, Steam, Compressed Air, Natural Gas, Chemicals, Slurry
Design Standards	API 600, API 6D, DIN 3352, BS 5163, EN 1074

Applications of Electric Gate Valves

Water Supply & Infrastructure
Secures municipal trunk mains, raw water intake lines, and pumping stations with automated shut-off.

Wastewater Treatment Facilities
Isolates raw sewage and treatment pipelines operating in harsh underground or humid environments.

Thermal & Renewable Power Plants
Handles main steam, condensate cooling loops, and auxiliary feedwater isolation under high pressures.

Oil & Gas Transport Networks
Controls storage tank isolation and utility distribution lines under hazardous-area safety standards.

Chemical Processing Facilities
Manages aggressive fluid media using custom alloy bodies and high-integrity chemical-resistant seals.

HVAC & District Energy Networks
Automates main line isolation across commercial heating, chilled water, and district energy loops.

Heavy Industrial Process Lines
Provides dependable automated shut-off for mining, pulp and paper, and steel manufacturing utilities.

Why Choose Us?

Unified Supply Chain Procurement
Engineers, EPC contractors, and purchasing agents simplify procurement by sourcing complete valve and actuator packages from a single qualified source.

Custom Manufacturing Capabilities
Our production lines accommodate custom valve metallurgy, specialized trim, tailored control loops, and direct private-label packaging.

Stringent Quality Assurance
Every order undergoes multi-stage pressure testing, dimensional verification, and material inspection prior to shipment to ensure full project compliance.

Experienced Technical Support
Our engineering team assists global distributors and contractors with detailed submittals, CAD drawings, technical data sheets, and complete MTO reviews.

Electric Gate Valves Buying Guide

Nominal Size & Bore: Determine exact line dimensions (DN or NPS) and flow capacity requirements.

Operating Pressure: Specify maximum line working pressure and transient surge potentials.

Fluid Media Properties: Detail fluid type, viscosity, solids content, and chemical aggressiveness.

Operating Temperature: Identify normal, minimum, and peak thermal conditions for correct seal selection.

Casting Material

Match valve body metallurgy to the fluid media (e.g., Ductile Iron, Carbon Steel, Stainless Steel).

End Connections

Select suitable connection standards matching existing pipe flanges or weld ends.

Duty Cycle

Define the expected operating frequency and required stroke speed.

Electrical Requirements

Confirm available site power (voltage, phase) and control protocol preferences.

Site Environment

Note indoor/outdoor placement, ambient temp extremes, buried depth, or explosive zone ratings.

Required Certifications

Specify mandatory quality standards, such as API, CE, PED, or ATEX documentation.

Electric Gate Valve vs. Manual Gate Valve

Feature	Electric Gate Valve	Manual Gate Valve
Operation Method	Electric Motor Actuator	Handwheel or Bevel Gear
Remote Control	Fully Integrated	Not Available
Automation Compatibility	Seamless (PLC/DCS)	None
Operating Torque Effort	Zero Manual Effort	High Manual Effort (Especially Large Sizes)
Ideal Location	Remote, Underground, Hazardous Zones	Easily Accessible Walk-by Areas
Initial Investment	Higher	Lower
System Diagnostics	Real-time Position & Torque Monitoring	Visual Stem Inspection Only
Maintenance Scope	Valve Body & Electrical Actuator	Valve Body & Mechanical Packing

FAQ

Q: What is an electric gate valve?

A: It is a gate valve fitted with an electric actuator that uses motor power to open or isolate fluid pipelines automatically or remotely.

Q: How does an electric gate valve differ from a manual gate valve?

A: Electric gate valves replace manual handwheels with motorized drives, enabling remote automation, PLC/DCS control, and easy operation of large-diameter valves.

Q: Can electric gate valves connect to control networks?

A: Yes, actuators integrate easily via 4-20mA signals, fieldbus networks (Modbus/Profibus/HART), or basic relay switches to send status data to central rooms.

Q: How is the electric actuator sized for a valve?

A: Actuators are sized by calculating the valve stem diameter, travel distance, working pressure, and required torque to ensure reliable cycling.

Q: Do you offer OEM production and custom configurations?

A: Yes, we provide custom body materials, special coatings, specific actuator brands, and private labeling for engineering contractors and distributors.

Q: What information is required to get a price quotation?

A: Please provide the valve size, pressure class, body material, fluid media, temperature, end connections, and actuator power/control specifications.

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