| Basic Info | Model | D941W-1C / D941W-1P (Stainless Steel) / D941X-1 (Rubber Sealed) |
| Product Name | Ventilation Electric Butterfly Valve / Electric Ventilation Butterfly Valve / Wafer Type Electric Air Valve |
| Pressure Rating | 0.1 MPa (1 bar) / Optional PN0.25, PN0.6 |
| Size Range | DN100 ~ DN3000 (Commonly large diameters) |
| Valve Structure | Connection Type | Wafer Type / Flanged Type (Optional) |
| Structure Type | Centric Butterfly Valve / Single Eccentric Butterfly Valve (Depending on sealing requirements) |
| Seal Type | Soft Seal (Rubber) / Hard Seal (Metal-to-Metal) |
| Body Material | Carbon Steel (Q235) / Galvanized Steel Plate / 304 Stainless Steel |
| Disc Material | Galvanized Carbon Steel / 304 Stainless Steel / Wear-resistant Material |
| Stem Material | 45# Steel / 2Cr13 / 304 Stainless Steel |
| Actuator Specs | Power Supply | AC220V / AC380V / DC24V |
| Control Type | On/Off Type / Modulating Type (4-20mA) / Passive Contact |
| Protection Rating | IP54 / IP67 (Outdoor type) |
| Explosion-proof Rating | Optional Explosion-proof Type (Ex d IIB T4) |
| Motor Power | Selected based on valve torque (e.g., 60W ~ 250W) |
| Actuation Time | 30 seconds ~ 120 seconds (90° rotation) |
| Performance | Temperature Range | -10℃ ~ +80℃ (Rubber Sealed) / -20℃ ~ +300℃ (Metal Hard Sealed) |
| Applicable Media | Air, Flue Gas, Dust-laden Gas, Ventilation Duct Gases |
| Leakage Rate | Soft Seal ≤1% / Hard Seal ≤1.5% (Can be improved upon request) |
| Operation Range | 0-90° Rotary adjustment |
| Standards | Design Standard | GB/T 12238 / JB/T 8692 / API 609 |
| Flange Standard | GB/T 9115 / JB/T 79 (Can be customized per user request) |
| Inspection Standard | GB/T 13927 / JB/T 9092 |
