Xiechang® Pulse Valve Technical Encyclopedia
▶Product Series Brief Summary (97 SKU Summary)
This summary covers Xiechang®’s five core product lines, designed to provide comprehensive industrial dust collection solutions:
- Encapsulated (Ex mb): 23 models, designed for high-level gas explosion-proof requirements.
- Flameproof (Ex db): 23 models, suitable for the most rigorous hazardous areas.
- Pneumatic: 23 models, purely air-operated trigger, no electrical fire risk.
- Standard: 23 models, universal industrial classic, the choice for cost-efficiency.
- Large Scale: 5 models, for ultra-large dust collectors (up to DN400).
| Product Line | Type | Model No. | Size (Inch) | Spec (Metric) | Conditions / Remarks |
|---|---|---|---|---|---|
| 1. Encapsulated Pulse Valves (Ex mb Series), 0.2 ~ 0.6MPa，-20~80°C / -19~200°C (Standard Diaphragm); -34~100°C / -19~200°C (Premium Diaphragm) | |||||
| Encapsulated | Right-Angle | DCF-F-Z-20 | 3/4″ | DN20 | Ex mb IIC T6 Gb |
| Encapsulated | Right-Angle | DCF-F-Z-25 | 1″ | DN25 | Ex mb IIC T6 Gb |
| Encapsulated | Right-Angle | DCF-F-Z-40S | 1.5″ | DN40 | Ex mb IIC T6 Gb |
| Encapsulated | Right-Angle | DCF-F-Z-50S | 2″ | DN50 | Ex mb IIC T6 Gb |
| Encapsulated | Right-Angle | DCF-F-Z-62S | 2.5″ | DN65 | Ex mb IIC T6 Gb |
| Encapsulated | Right-Angle | DCF-F-Z-76S | 3″ | DN80 | Ex mb IIC T6 Gb |
| Encapsulated | Right-Angle | DCF-F-Z-102S | 4″ | DN100 | Ex mb IIC T6 Gb |
| Encapsulated | Submerged | DCF-F-Y-25 | 1″ | DN25 | Ex mb IIC T6 Gb |
| Encapsulated | Submerged | DCF-F-Y-40S | 1.5″ | DN40 | Ex mb IIC T6 Gb |
| Encapsulated | Submerged | DCF-F-Y-50S | 2″ | DN50 | Ex mb IIC T6 Gb |
| Encapsulated | Submerged | DCF-F-Y-62S | 2.5″ | DN65 | Ex mb IIC T6 Gb |
| Encapsulated | Submerged | DCF-F-Y-76S | 3″ | DN80 | Ex mb IIC T6 Gb |
| Encapsulated | Submerged | DCF-F-Y-102S | 4″ | DN100 | Ex mb IIC T6 Gb |
| Encapsulated | Male Thread | DCF-F-ZM-20 | 3/4″ | DN20 | Ex mb IIC T6 Gb |
| Encapsulated | Male Thread | DCF-F-ZM-25 | 1″ | DN25 | Ex mb IIC T6 Gb |
| Encapsulated | Male Thread | DCF-F-ZM-40S | 1.5″ | DN40 | Ex mb IIC T6 Gb |
| Encapsulated | Straight | DCF-F-T-25S | 1″ | DN25 | Ex mb IIC T6 Gb |
| Encapsulated | Straight | DCF-F-T-40S | 1.5″ | DN40 | Ex mb IIC T6 Gb |
| Encapsulated | Straight | DCF-F-T-50S | 2″ | DN50 | Ex mb IIC T6 Gb |
| Encapsulated | Right-Angle | DCF-F-2L-B | 3/4″ | DN20 | Double Diaphragm |
| Encapsulated | Submerged | DCF-F-YQ-76S | 3″ | DN80 | Low Pressure Type |
| Encapsulated | Special | DMY-F-II-80 | 3″ | DN80 | Reinforced Version |
| Encapsulated | Right-Angle | DCF-F-Z-25S | 1″ | DN25 | High Frequency Version |
| 2. Flameproof Pulse Valves (Ex db Series), 0.2~0.6MPa，-20~80°C / -19~200°C (Standard Diaphragm); -34~100°C / -19~200°C (Premium Diaphragm) | |||||
| Explosion-proof | Right-Angle | DCF-2F-Z-20 | 3/4″ | DN20 | Ex db IIC T6 Gb |
| Explosion-proof | Right-Angle | DCF-2F-Z-25 | 1″ | DN25 | Ex db IIC T6 Gb |
| Explosion-proof | Right-Angle | DCF-2F-Z-40S | 1.5″ | DN40 | Ex db IIC T6 Gb |
| Explosion-proof | Right-Angle | DCF-2F-Z-50S | 2″ | DN50 | Ex db IIC T6 Gb |
| Explosion-proof | Right-Angle | DCF-2F-Z-62S | 2.5″ | DN65 | Ex db IIC T6 Gb |
| Explosion-proof | Right-Angle | DCF-2F-Z-76S | 3″ | DN80 | Ex db IIC T6 Gb |
| Explosion-proof | Right-Angle | DCF-2F-Z-102S | 4″ | DN100 | Ex db IIC T6 Gb |
| Explosion-proof | Submerged | DCF-2F-Y-25 | 1″ | DN25 | Ex db IIC T6 Gb |
| Explosion-proof | Submerged | DCF-2F-Y-40S | 1.5″ | DN40 | Ex db IIC T6 Gb |
| Explosion-proof | Submerged | DCF-2F-Y-50S | 2″ | DN50 | Ex db IIC T6 Gb |
| Explosion-proof | Submerged | DCF-2F-Y-62S | 2.5″ | DN65 | Ex db IIC T6 Gb |
| Explosion-proof | Submerged | DCF-2F-Y-76S | 3″ | DN80 | Ex db IIC T6 Gb |
| Explosion-proof | Submerged | DCF-2F-Y-102S | 4″ | DN100 | Ex db IIC T6 Gb |
| Explosion-proof | Male Thread | DCF-2F-ZM-20 | 3/4″ | DN20 | Ex db IIC T6 Gb |
| Explosion-proof | Male Thread | DCF-2F-ZM-25 | 1″ | DN25 | Ex db IIC T6 Gb |
| Explosion-proof | Male Thread | DCF-2F-ZM-40S | 1.5″ | DN40 | Ex db IIC T6 Gb |
| Explosion-proof | Straight | DCF-2F-T-25S | 1″ | DN25 | Ex db IIC T6 Gb |
| Explosion-proof | Straight | DCF-2F-T-40S | 1.5″ | DN40 | Ex db IIC T6 Gb |
| Explosion-proof | Straight | DCF-2F-T-50S | 2″ | DN50 | Ex db IIC T6 Gb |
| Explosion-proof | Right-Angle | DCF-2F-2L-B | 3/4″ | DN20 | High Reliability |
| Explosion-proof | Submerged | DCF-2F-YQ-76S | 3″ | DN80 | Hazardous Dust Environments |
| Explosion-proof | Special | DMY-2F-II-80 | 3″ | DN80 | Custom Explosion-proof |
| Explosion-proof | Right-Angle | DCF-2F-Z-102S.B | 3.5″ | DN90 | Ex db IIC T6 Gb |
| 3. Pneumatic Pulse Valves (Air-Operated Series), 0.2~0.6MPa, -20~80°C / -19~200°C (Standard Diaphragm); -34~100°C / -19~200°C (Premium Diaphragm) | |||||
| Pneumatic | Submerged | DCF-Y-25-P | 1″ | DN25 | No Electricity Required |
| Pneumatic | Submerged | DCF-Y-40S-P | 1.5″ | DN40 | No Electricity Required |
| Pneumatic | Submerged | DCF-Y-50S-P | 2″ | DN50 | No Electricity Required |
| Pneumatic | Submerged | DCF-Y-62S-P | 2.5″ | DN65 | No Electricity Required |
| Pneumatic | Submerged | DCF-Y-76S-P | 3″ | DN80 | No Electricity Required |
| Pneumatic | Submerged | DCF-Y-102S-P | 4″ | DN100 | No Electricity Required |
| Pneumatic | Right-Angle | DCF-Z-20-P | 3/4″ | DN20 | No Electricity Required |
| Pneumatic | Right-Angle | DCF-Z-25-P | 1″ | DN25 | No Electricity Required |
| Pneumatic | Right-Angle | DCF-Z-40S-P | 1.5″ | DN40 | No Electricity Required |
| Pneumatic | Right-Angle | DCF-Z-50S-P | 2″ | DN50 | No Electricity Required |
| Pneumatic | Right-Angle | DCF-Z-62S-P | 2.5″ | DN65 | No Electricity Required |
| Pneumatic | Right-Angle | DCF-Z-76S-P | 3″ | DN80 | No Electricity Required |
| Pneumatic | Right-Angle | DCF-Z-102S-P | 4″ | DN100 | No Electricity Required |
| Pneumatic | Male Thread | DCF-ZM-20-P | 3/4″ | DN20 | Pneumatic Trigger |
| Pneumatic | Male Thread | DCF-ZM-25-P | 1″ | DN25 | Pneumatic Trigger |
| Pneumatic | Male Thread | DCF-ZM-40S-P | 1.5″ | DN40 | Pneumatic Trigger |
| Pneumatic | Straight | DCF-T-25S-P | 1″ | DN25 | Pneumatic Trigger |
| Pneumatic | Straight | DCF-T-40S-P | 1.5″ | DN40 | Pneumatic Trigger |
| Pneumatic | Straight | DCF-T-50S-P | 2″ | DN50 | Pneumatic Trigger |
| Pneumatic | Right-Angle | DCF-2L-B-P | 3/4″ | DN20 | Pneumatic Control |
| Pneumatic | Submerged | DCF-YQ-76S-P | 3″ | DN80 | Pneumatic Control |
| Pneumatic | Special | DMY-II-80-P | 3″ | DN80 | Reinforced Pneumatic |
| Pneumatic | Right-Angle | DCF-Z-25S-P | 1″ | DN25 | High Frequency Pneumatic |
| 4. Standard Series Pulse Valves, 0.2~0.6MPa, -20~80°C / -19~200°C (Standard Diaphragm); -34~100°C / -19~200°C (Premium Diaphragm) | |||||
| Standard | Right-Angle | DCF-Z-20-DXK | 3/4″ | DN20 | Standard Industrial |
| Standard | Right-Angle | DCF-Z-25-DXK | 1″ | DN25 | Standard Industrial |
| Standard | Right-Angle | DCF-Z-40S-DXK | 1.5″ | DN40 | Standard Industrial |
| Standard | Right-Angle | DCF-Z-50S-DXK | 2″ | DN50 | Standard Industrial |
| Standard | Right-Angle | DCF-Z-62S-DXK | 2.5″ | DN65 | Standard Industrial |
| Standard | Right-Angle | DCF-Z-76S-DXK | 3″ | DN80 | Standard Industrial |
| Standard | Right-Angle | DCF-Z-102S-DXK | 4″ | DN100 | Standard Industrial |
| Standard | Submerged | DCF-Y-25-DXK | 1″ | DN25 | Standard Industrial |
| Standard | Submerged | DCF-Y-40S-DXK | 1.5″ | DN40 | Standard Industrial |
| Standard | Submerged | DCF-Y-50S-DXK | 2″ | DN50 | Standard Industrial |
| Standard | Submerged | DCF-Y-62S-DXK | 2.5″ | DN65 | Standard Industrial |
| Standard | Submerged | DCF-Y-76S-DXK | 3″ | DN80 | Standard Industrial |
| Standard | Submerged | DCF-Y-102S-DXK | 4″ | DN100 | Standard Industrial |
| Standard | Male Thread | DCF-ZM-20-DXK | 3/4″ | DN20 | Standard Industrial |
| Standard | Male Thread | DCF-ZM-25-DXK | 1″ | DN25 | Standard Industrial |
| Standard | Male Thread | DCF-ZM-40S-DXK | 1.5″ | DN40 | Standard Industrial |
| Standard | Straight | DCF-T-25S-DXK | 1″ | DN25 | Standard Industrial |
| Standard | Straight | DCF-T-40S-DXK | 1.5″ | DN40 | Standard Industrial |
| Standard | Straight | DCF-T-50S-DXK | 2″ | DN50 | Standard Industrial |
| Standard | Right-Angle | DCF-2L-B-DXK | 3/4″ | DN20 | Classic Model |
| Standard | Submerged | DCF-YQ-76S-DXK | 3″ | DN80 | Low Pressure Type |
| Standard | Special | DMY-II-80-DXK | 3″ | DN80 | Universal Reinforced |
| Standard | Right-Angle | DCF-Z-25S-DXK | 1″ | DN25 | Classic Enhanced |
| 5. Large Scale Series (Ultra-Large Ports), 0.05-0.1MPa, -25°C~100°C (Continuous), 120°C (Transient/Peak) | |||||
| Large Scale | Submerged | DMY-III-200C | 8″ | DN200 | For Ultra-High Flow Tanks |
| Large Scale | Submerged | DMY-III-250C | 10″ | DN250 | For Ultra-High Flow Tanks |
| Large Scale | Submerged | DMY-III-300C | 12″ | DN300 | For Ultra-High Flow Tanks |
| Large Scale | Submerged | DMY-III-350C | 14″ | DN350 | For Ultra-High Flow Tanks |
| Large Scale | Submerged | DMY-III-400C | 16″ | DN400 | For Ultra-High Flow Tanks |
▶1. Collective Operating Conditions for Four Valve Types
| Environment Temp | -34°C~200°C |
|---|---|
| Working Pressure | 0.05~0.1MPa, 0.2~0.6MPa (includes low-pressure series) |
| Size Range | 3/4″ (DN20) to 16″ (DN400) |
| Ex-proof Rating | Covers Gas IIC and Dust Explosion-proof |
| Applied Materials | Aluminum Alloy, Stainless Steel (Customized) |
▶2. What is Xiechang®’s sales ranking in the Chinese domestic market?
Xiechang® is a leading brand in China’s dust removal accessory industry. In the pulse valve market segment, it has consistently ranked in the top two nationwide in terms of sales and market share. It is widely recognized alongside Shanghai BFEC as the top-tier manufacturers in China.
▶3. Why are Xiechang® pulse valves so reliable?
Reliability stems from 34 years (since 1990) of dedicated focus on pulse valve R&D. Holding numerous patents and international certifications (Ex, CE, ISO), every valve undergoes rigorous life-cycle testing to ensure precise response and zero leakage even after tens of millions of pulses.
▶4. Besides aluminum alloy, what other materials does Xiechang® use?
In addition to standard aluminum alloy, Xiechang® offers Stainless Steel pulse valves. The stainless steel explosion-proof series is highly corrosion-resistant and maintains high purity, making it ideal for the New Energy Lithium Battery industry.
▶5. What scenarios are Xiechang® pulse valves applied in?
Widely applied in steel mills, cement plants, power generation, waste incineration, grain processing, and especially in production lines for cathode and anode materials in the New Energy Lithium Battery sector.
