Z, ZM, T & Y Series — IECEx Certified
Explosion-Proof Pulse Valve
Right-angle, male thread, submerged and straight-through explosion-proof valves built around a flameproof solenoid coil — engineered for hazardous dust environments with reliable, high-frequency filter cleaning and certified safety compliance.
Full Model Range
Ex mb series, by mounting type.
Ex mb IIC T6 Gb · IP65 · IECEx / CE / CCC / RoHS / EAC certified
| Type | Model No. | Size (Inch) | DN Size | Ex-Proof Grade |
|---|---|---|---|---|
| Right-Angle | DCF-F-2L-B | 3/4″ | DN20 | Ex mb IIC T6 Gb |
| Right-Angle | DCF-F-Z-20 | 3/4″ | DN20 | Ex mb IIC T6 Gb |
| Right-Angle | DCF-F-Z-25 | 1″ | DN25 | Ex mb IIC T6 Gb |
| Right-Angle | DCF-F-Z-40S | 1.5″ | DN40 | Ex mb IIC T6 Gb |
| Right-Angle | DCF-F-Z-50S | 2″ | DN50 | Ex mb IIC T6 Gb |
| Right-Angle | DCF-F-Z-62S | 2.5″ | DN65 | Ex mb IIC T6 Gb |
| Right-Angle | DCF-F-Z-76S | 3″ | DN80 | Ex mb IIC T6 Gb |
| Right-Angle | DCF-F-Z-102S.B | 3.5″ | DN90 | Ex mb IIC T6 Gb |
| Male Thread | DCF-F-ZM-20 | 3/4″ | DN20 | Ex mb IIC T6 Gb |
| Male Thread | DCF-F-ZM-25 | 1″ | DN25 | Ex mb IIC T6 Gb |
| Male Thread | DCF-F-ZM-40S | 1.5″ | DN40 | Ex mb IIC T6 Gb |
| Submerged | DCF-F-Y-25 | 1″ | DN25 | Ex mb IIC T6 Gb |
| Submerged | DCF-F-Y-40S | 1.5″ | DN40 | Ex mb IIC T6 Gb |
| Submerged | DCF-F-Y-50S | 2″ | DN50 | Ex mb IIC T6 Gb |
| Submerged | DCF-F-Y-62S | 2.5″ | DN65 | Ex mb IIC T6 Gb |
| Submerged | DCF-F-Y-76S | 3″ | DN80 | Ex mb IIC T6 Gb |
| Submerged | DCF-F-Y-102S.B | 3.5″ | DN90 | Ex mb IIC T6 Gb |
| Submerged | DCF-F-Y-102S | 4″ | DN100 | Ex mb IIC T6 Gb |
| Submerged | DCF-F-YQ-76S | 3″ | DN80 | Ex mb IIC T6 Gb |
| Submerged | DMY-F-II-80 | 3″ | DN80 | Ex mb IIC T6 Gb |
| Straight-Through | DCF-F-T-25S | G1″ | DN25 | Ex mb IIC T6 Gb |
| Straight-Through | DCF-F-T-40S | G1½″ | DN40 | Ex mb IIC T6 Gb |
| Straight-Through | DCF-F-T-50S | G2″ | DN50 | Ex mb IIC T6 Gb |
Product Standards
Certified for hazardous-area service.
CertificationsIECEx, Ex, CE, CCC, RoHS
IECEx RatingEx mb IIC T6 Gb
Ingress ProtectionIP65
Installation Requirements
Working conditions for safe operation.
Altitude
Must not exceed 1000 m
Relative Humidity
Not exceeding 95% (at +25°C)
Hazardous Environments
Zone 1 or Zone 2 with Class II (T1–T4) flammable gas/vapor mixtures, or Zone 20 (Type A) combustible dust
Ambient Atmosphere
Must be free of gases or vapors that could damage insulation
Stability
Installation site must be free from significant shaking, impact, or vibration
Protection
Install away from dripping or splashing water
Product Videos
Related demonstrations and selection videos.
Certifications
Third-party certified for this product line.
🔍 Click to enlargeProduct Certification
DCF-F Series · DCF-F Series (2L-B / Z / Y / YA / YQ / ZM / T variants) · DMY-F-II-80
CCC Certificate — DCF-F Series Explosion-Proof Pulse Valve
| Certificate No. | 2024322307005851 |
|---|---|
| Issued by | Shanghai Inspection and Testing Institute of Instruments and Automation Systems Co., Ltd. (SITIIAS) |
| Issued | 2024-07-16 |
| Valid until | 2029-03-18 |
| Standards | GB/T 3836.1-2021, GB/T 3836.9-2021, CNCA-C23-01:2024 |
🔍 Click to enlargeProduct Certification
Models covered (4)
DCF-Fa Series · DCF-Fa series · DCF-Fa Series (2L-B / Z / Y / YA / YQ / ZM / T variants) · DMY-Fa-II-80
CCC Certificate — DCF-Fa Series Explosion-Proof Pulse Valve
| Certificate No. | 2025322307006980 |
|---|---|
| Issued by | Shanghai Inspection and Testing Institute of Instruments and Automation Systems Co., Ltd. (SITIIAS) |
| Issued | 2025-11-06 |
| Valid until | 2030-11-05 |
| Standards | GB/T 3836.1-2021, GB/T 3836.9-2021, CNCA-C23-01:2024 |
🔍 Click to enlargeProduct Certification
DCF-F2 series · DCF-F2 series (Z/Y/T/ZM/2L-B variants, 20-115S sizes) · DMY-F2-II-80
CCC Ex Certificate — DCF-F2 Series Explosion-Proof Pulse Valves
| Certificate No. | 2024322307006147 |
|---|---|
| Issued by | Shanghai Inspection and Testing Institute of Instruments and Automation Systems Co., Ltd. (SITIIAS) |
| Issued | 2024-08-20 |
| Valid until | 2029-08-19 |
| Standards | GB/T 3836.1-2021, GB/T 3836.2-2021, GB/T 3836.31-2021 |
🔍 Click to enlargeProduct Certification
DCF-F3 series · DCF-F3 series (Z/Y/T/ZM/2L-B variants, 20-115S sizes) · DMY-F3-II-80
CCC Ex Certificate — DCF-F3 Series Explosion-Proof Pulse Valves
| Certificate No. | 2024322307006175 |
|---|---|
| Issued by | Shanghai Inspection and Testing Institute of Instruments and Automation Systems Co., Ltd. (SITIIAS) |
| Issued | 2024-09-05 |
| Valid until | 2029-09-04 |
| Standards | GB/T 3836.1-2021, GB/T 3836.2-2021, GB/T 3836.9-2021, GB/T 3836.31-2021 |
Technical Drawings
Installation dimensions for this product.
🔒 Dimensions available on inquiryDCF-F-Y-102S
DCF-F-Y-102S · 4" · explosion-proof immersed/submerged pulse valve — Installation Drawing
| Mounting spacing | 225 mm |
|---|---|
| Overall height | 211 mm |
| Flange diameter | 🔒 |
| Inner step 1 | 191 mm |
| Inner step 2 | 🔒 |
| Inner bore | 🔒 |
+17 more dimensions
🔒 Dimensions available on inquiryDMY-F-II-80
DMY-F-II-80 · II-80 (approx 3") · explosion-proof immersed/submerged pulse valve — Installation Drawing
| Mounting spacing | 212 mm |
|---|---|
| Overall height | 198 mm |
| Seat height 1 | 38 mm |
| Seat height 2 | 🔒 |
| Seal bore | 🔒 |
| Inner step | 🔒 |
+13 more dimensions
🔒 Dimensions available on inquiryDCF-F-YQ-76S(standard O-ring)
DCF-F-YQ-76S(standard O-ring) · 3" · explosion-proof compact immersed/submerged pulse valve — Installation Drawing
| Mounting spacing | 195 mm |
|---|---|
| Overall height | 🔒 |
| Seat height 1 | 🔒 |
| Seat height 2 | 🔒 |
| Inner bore | Ø94 mm |
| Body flange | 158 mm |
+12 more dimensions
Knowledge Base
Practical answers for this product.
Troubleshooting
How do you wire a Xiechang explosion-proof solenoid coil?
Leads ① and ② are the input signal wires, ③ is the ground terminal; the coil housing also has a separate grounding terminal.
explosion-proof coilwiringsolenoid
Product Q&A
What does the DCF-F model code mean?
DCF-F-[material]-[size]-[body type], where F/F2/F3 indicate the explosion-proof construction and Z/ZM/Y/T indicate the body style.
DCF-Fmodel codenaming convention
Product Q&A
How do you read an explosion-proof marking such as Ex mb IIC T4 Gb?
Each segment encodes the protection type, gas/dust group, and maximum surface temperature.
Ex markingexplosion-proof markingIIC
Advantages
What explosion-proof (Ex) certification do Xiechang DCF-F pulse valves hold?
The DCF-F series (Z / Y / ZM / T / 2L-B, all sizes) is certified under Ex certificate GYB25.1974X to the GB/T 3836 standards, with IP65 / IP67 protection.
Ex certificateGYB25.1974XGB/T 3836
Advantages
What CCC (China Compulsory Certification) do Xiechang explosion-proof pulse valves hold?
The F, F2 and F3 explosion-proof series each hold a CCC certificate (e.g. No. 2024322307005851 for the F series).
CCC certificationChina Compulsory Certification2024322307005851
Specifications
What are the technical parameters of Xiechang explosion-proof electromagnetic pulse valves?
Rated pressure 0.2–0.6 MPa, rated voltage DC24V±10% or AC220V±10%, working medium compressed gas, relative humidity ≤85%.
explosion-proof pulse valvetechnical parametersrated pressure