Electric Ventilation Butterfly Valve

Valve Model: D941W

Nominal Diameter: DN50 to DN1200

Structure Type: Centerline (Flange)

Body Material: Cast Steel WCB, Stainless Steel 304, Stainless Steel 316

Nominal Pressure: PN1, PN2.5, PN6, PN10

Operating Temperature: -40°C to +450°C and above

Applications: Industrial, metallurgical, flue gas dust removal, environmental protection pipelines, etc.

Product Features: Simple structure, large diameter, lightweight, easy operation

Electric Ventilation Butterfly Valve Actuator:

Control Method: Electric Control (Power-Driven)

Medium Temperature: -40°C to +450°C (Steel Plate Roll Welding), Above +450°C (Stainless Steel Plate Roll Welding)

Angular Range: 0-90 degrees

Flow Characteristic: Approximate Percentage

Flange Standard: GB/T9115-2000 Steel Pipe Flange Welding Standard

Actuator: Compatible with Angular Travel Series Electric Actuators

Control Mode: Standard On/Off Type (Passive Contact Switch Type), Modulating Type (4-20mA Input/Output)

Performance Specifications for Electric Ventilation Butterfly Valve:

Item: Specification Value

Basic Error %: ±2.5

Hysteresis %: 2.0

Deadband %: 3.0

Endpoint Deviation %: ±2.5

Rated Travel Deviation %: +2.5

Permissible Leakage Rate 1/h: 2×10⁻²×Valve Rated Capacity

Model Selection Recommendations