Explosion-proof NAMUR Solenoid Valve Description:
316 stainless steel material
Low temperature resistance
Low power consumption
Explosion proof and good enclosure protection
Easy wiring (electrical interface 1/2’’ NPT or M20 1.5)
The director-acting structure valve body can be selected from S02 ,S03,S04 coils.
The S03 can only be 24V DC,3.7W. Manually add MO,MS
Low power coil,3.7W,24V .Coil insulation class:H
Enclosure protection:ip67
Direct operated,no minmum operational pressure,high flow and fast response.
Low temperature resistant ,O-ring:-60℃~+65℃
Diode is arranged on built-in circuit board to avoid damage of DCS system and other instrumentation from interruption of power supply.
Coil housing:316L SS,Exd II C T6
Valve body:316LSS,NPT connection
Explosion proof solenoid valve for a confident control in rough working enviroments,direct operated,basis flow,balance poppet,1/4
Explosion-proof Solenoid Valve Features:
Flameproof - 316LSS (EN/IEC 60079)
Pipe size 1/4 according to NPT ANSI 1.20.3
Dedicated execution for low power
Coils used in metal enclosure have class H insulation grade
Satisfy all relevant EC Directives
Good performance in extreme low ambient temperatures
Enclosure is provided with a 1/2’’ NPT threaded entry hole ,and M20X1.5 is optional for installation.
Response times:75-100ms
Explosion-proof Solenoid Valve Parameters：
| Model | S-03 Series |
| Differential pressure | DC(=):24V, Tolerance ,±10% |
| Power ratings | 3.7w |
| Electrical safety | IEC335 |
| Orifice size | 5.7mm |
| Temperature range | -40~+60℃ |
| Flow coefficient(kv) | 0.45m3/h,7.5l/min |
| Electrical enclosure protection | Ip67 |
| Safety code | Exm II BT4/Exd IICT5 |
| Electrical connection | 1/2’’ NPT threaded cable entry |
| Duty cycle | 100% |
| Maximum viscosity | 65cST(mm²/s) |
Materials in contact with fluid
| Body | AISI 316L SS |
| Stem | Stainless steel |
| Core tube | Stainless steel |
| Core and plugnut | Stainless steel |
| Springs | Stainless steel |
| Sealing & poppet | F(VMQ) |
| Rider ring | PTFE |
