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Explosion-proof Solenoid Pressure Relief Valves DUPLOMATIC OLEODINAMICA

Explosion-proof Solenoid Pressure Relief Valves DUPLOMATIC OLEODINAMICA
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Explosion-proof Solenoid Pressure Relief Valves DUPLOMATIC OLEODINAMICA
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Duplomatic Oleodinamica Ex-proof Solenoid-Operated Pressure Relief Valves (350 bar) are high-performance hydraulic components designed for hazardous environments where explosive gases or dust are present.
Key Technical Overview
  • Max Operating Pressure: 350 bar (5000 psi).
  • Explosion Protection (Ex-proof): These valves are certified under ATEXIECEx, or INMETRO standards. They are typically rated for Zone 1 or Zone 2 (Gas) and Zone 21 or Zone 22 (Dust).
  • Function: They combine a pilot-operated pressure relief valve with an explosion-proof solenoid valve. This allows for remote electrical control to either unload the pump to the tank (low pressure) or maintain the set system pressure.
Main Series & Models
The most common series for this application is the RQM*KD2 series:
  • RQM3KD2: Flow up to 200 l/min.
  • RQM5KD2: Flow up to 400 l/min.
  • RQM7KD2: Flow up to 500 l/min.
Core Features
  1. Safety & Reliability: Specifically engineered for oil & gas rigs, mining, chemical plants, and grain silos where any spark could cause a catastrophe.
  2. Unloading Options: Available in versions where the valve is "Normally Open" (unloading the pump when the solenoid is de-energized) or "Normally Closed."
  3. Mounting: Designed for subplate mounting according to ISO 6264 (CETOP) standards.
  4. Solenoids: The coils are encapsulated and designed to prevent surface temperatures from exceeding safety limits (Temperature classes like T4, T5, or T6).
Typical Applications
  • Offshore Platforms: Hydraulic power units (HPUs) operating in salty/explosive environments.
  • Mining Equipment: Controlling pressure in underground machinery.
  • Chemical Processing: Ensuring system safety in volatile production lines.

You will receive an e-mail with the subject "Your Delivery Information" to your e-mail address that your cargo has been delivered to the Cargo Company automatically by our site. In this e-mail, your products given to Korgo, your delivery address, your delivery information and the information of the cargo company are included. At the bottom of our e-mail, there is the Sending Cargo company and the Tracking Number. You can also track the status of your cargo with this tracking number or your order number. Since your cargo information is sent via e-mail, our customers who are not registered in our system and do not have e-mail information can learn their order numbers from our Customer Representatives and inquire about their cargo status with the information they received from our Customer Representative in order to track their cargo on this page.



You will receive an e-mail with the subject "Your Delivery Information" to your e-mail address that your cargo has been delivered to the Cargo Company automatically by our site. In this e-mail, your products given to Korgo, your delivery address, your delivery information and the information of the cargo company are included. At the bottom of our e-mail, there is the Sending Cargo company and the Tracking Number. You can also track the status of your cargo with this tracking number or your order number. Since your cargo information is sent via e-mail, our customers who are not registered in our system and do not have e-mail information can learn their order numbers from our Customer Representatives and inquire about their cargo status with the information they received from our Customer Representative in order to track their cargo on this page.

Return & Exchange Conditions

If the product did not meet your expectations for various reasons, you have the right to return it within 7 days without any excuse. For periods exceeding 7 days, there is no refund by way of refund. If you do not like the product and want to change it, you can send the product to our address by paying the shipping fee. However, you can change it at any time in case the product is different from what you see for 10 days and / or in case of wrong order. Note:! Our products in the Outlet section are non-refundable.

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