DUNGS Ignition Solenoid Valve SV-D507 Caliber Rp3/4
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**Technical Parameters of DUNGS Ignition Solenoid Valve Model SV-D507, Caliber Rp3/4**
**General Description:**
The DUNGS SV-D507 is a compact, direct-acting solenoid valve designed specifically for safe and reliable ignition and monitoring gas line control in combustion systems. It is commonly employed in burners, gas boilers, and industrial heating equipment. The valve features a manual override option for commissioning and testing purposes.
**Key Technical Specifications:**
* **Model:** SV-D507
* **Connection Size:** Rp 3/4 (internal pipe thread according to ISO 7-1)
* **Nominal Diameter (DN):** DN 20
* **Media:** Natural gas, liquefied petroleum gas (LPG), or other fuel gases compatible with valve materials.
* **Pressure Range:**
* Maximum Inlet Pressure: 500 mbar
* Differential Pressure Range (Δp): 15 to 500 mbar
* **Voltage & Electrical Data:**
* Available for standard AC and DC voltages (e.g., 230V AC, 24V AC, 24V DC). Specific ordering code determines voltage.
* Protection Class: IP65
* Insulation Class: Class B (or as per specific variant)
* Duty Cycle: 100% continuous duty
* **Leak Tightness:** Class 4 according to EN 161 (or equivalent standards), ensuring high sealing integrity in closed position.
* **Ambient Temperature Range:** Typically -20°C to +60°C.
* **Media Temperature Range:** Up to +80°C.
* **Body Material:** Aluminum alloy.
* **Seal Materials:** Typically NBR (Nitrile Rubber). Alternative materials like FKM (Viton) may be available for special media.
* **Coil Housing:** Plastic (Polyamide).
* **Response Time:** Fast opening and closing, typically within milliseconds, suitable for ignition sequence control.
* **Standards and Approvals:** Complies with relevant European directives and carries CE marking. Approved by recognized gas appliance testing bodies (e.g., specific approvals may vary by region).
**Functional Description:**
The valve is normally closed. Upon electrical energization of the coil, the plunger lifts directly against the medium pressure, opening the seal and allowing gas flow. When de
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