Multi-type Explosion-proof Solenoid Valve | Flameproof, Increased Safety & Intrinsic Safety
The MSV300 multi-type explosion-proof solenoid valve provides flexible explosion protection selections: flameproof, increased safety, dust explosion-proof and intrinsic safety versions, to match different hazardous working conditions. It features 2-position 3-way / 2-position 5-way air circuit structure, and can choose pilot-operated or direct-acting control mode.
It supports surface mounting and pipe mounting. The temperature rating covers T6/T5/T4, medium temperature from -40℃ to 130℃. Standard voltage options are 24VDC, 110VAC and 220VAC, with IP67 protection grade.
Aluminum alloy, stainless steel and brass housing materials are optional. Air port connections include G1/4, 1/4NPT, 1/2NPT. Electrical connection options include M20*1.5 and 1/2NPT. Ideal for complex hazardous environments in chemical, petrochemical and pharmaceutical process control.
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Product Principle
1、Housing Material: Aluminum alloy or 316 stainless steel
2、Operating Voltage: 24 V DC, 220 V AC
3、Coil Power: 1.8 W, 3.7 W, 10 W, 15 W
4、Grounding Bolt: 316 stainless steel
5、Explosion / Ingress Protection Rating: Ex d IIC T6 Gb / Ex tD A21 IP67 T80°C
6、Coil Insulation Class: Class H
7、Control Type: Single-acting (spring-return) or double-acting (bistatic) – both available
8、Additional Features: Coil built-in with power-off protection, peak overflow element, and surge 9、suppression device; unique waterproof and moisture-proof alarm indication function
Key parameters
| parameter catalog | Value |
| Explosion Protection Type | Flameproof + Increased Safety + Dust / Intrinsic Safety / Non-explosion-proof |
| Air Circuit Structure | 2-position 3-way / 2-position 5-way |
| Control Principle | Pilot-operated / Direct-acting |
| Mounting Type | Surface mounting / Pipe mounting |
| Operating Temperature | T6: -20°C ~ 40°C; T5: -20°C ~ 60°C; T4: -20°C ~ 80°C |
| Standard Voltage | 24VDC/110VAC/220VAC |
| Ingress Protection Rating | IP67 |
| Power Consumption | 10W/3.7W/1.8W |
| Optional Material | Aluminum alloy / Stainless steel / Brass |
| Air Port Connection | G1/4, 1/4NPT, 1/2NPT, etc. |
| Electrical Connection | M20*1.5, 1/2NPT, etc. |
| Medium Temperature | -40°C ~ 130°C |
| Working Pressure | 0 ~ 1MPa, 0.15 ~ 0.8MPa, 0.15 ~ 1.2MPa, 0 ~ 10MPa |
FAQ
We are a manufacturer with our own factory and independent R&D team. Our explosion-proof solenoid valves are designed and produced in-house, allowing us to control quality, reduce costs, and offer competitive pricing directly to our customers.
Yes, customization is available. We support customized voltage (24VDC/220VAC), coil power (1.8W/3.7W/10W/15W), housing material (aluminum alloy or 316 stainless steel), and control type (single or double control).
Our solenoid valve features ExdIICT6 Gb / ExtDA21 IP67 T80°C certification, with IP67 waterproof protection. It is suitable for hazardous gas environments and can operate reliably in harsh conditions.
Yes, it includes built-in power-off protection, peak overflow element, and surge protection device. It also features a unique waterproof and moisture-proof alarm indicator for easy maintenance.
The coil insulation class is Class H, and the grounding bolt is made of 316 stainless steel for superior corrosion resistance and safety.
It is widely used in chemical, petroleum, natural gas, and other industrial automation systems requiring explosion-proof and waterproof performance in hazardous environments.
