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Description
Shipbuilding equipment and PV valves — DF-ISO cast steel and stainless steel models with gas freeing covers. Chongqing, China.
Manufacturer
Official site: https://www.dqmarine.com
Did you know
- DQ Marine has been supplying shipbuilding equipment for over 12 years, with their PV valves generally used in the relief systems of oil and chemical tankers.
- The DQ Marine DF-ISO Cast Steel High Velocity Pressure Vacuum Valve is a core offering within DQ Marine's PV valve range, alongside variants like the DF-ISO Stainless Steel PV Valve and the TQF Cast Steel PV Valve. Other specialized models include those with gas freeing covers, heating devices, or double safety features.
- The DQ Marine PV valve is designed to automatically control pressure differentials during cargo operations and thermal variations, releasing gas at over 30m/s to prevent overpressure and allowing air in to prevent vacuum conditions.
| Model | Pressure Valve Opening (Oil Cargo Tank) | Pressure Valve Opening (Chemical Cargo Tank) | Vacuum Valve Opening |
|---|---|---|---|
| DF-ISO Cast Steel High Velocity Pressure Vacuum Valve | 14 Kpa | 20 Kpa | -3.5 Kpa |
| TQF Cast Steel PV Valve | 14 Kpa | 21 Kpa | -3.5 Kpa |
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Send enquiry
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Code map
^K A P X │ │ │ └── Model: DQ Marine │ │ └───── Make: Pressure-Vacuum (PV) Valves │ └──────── Equipment: Tankers (Oil & Gas) └─────────── System: Cargo