WYTCWY
Head Range：5-85m Inlet/Outlet Range：DN40-DN100 CWY Type Vertical Tank External Submerged Pump
Head Range：5-85m
Inlet/Outlet Range：DN40-DN100
Motor Power：0.55-75kw
Submersible Depth：0.5-5m
Application Scenarios
- Oil tank drainage: In oil depots or refineries, it is necessary to regularly discharge the accumulated water at the bottom of the oil tank.
- Solid medium treatment: For crude oil containing sand and impurities, the wear-resistant and corrosion-resistant design of pumps (such as polymer material impellers) can reduce the risk of blockage and extend equipment life.
- Wastewater treatment: In wastewater treatment plants, it is necessary to increase the solid content of wastewater.
- Sludge treatment: For high viscosity and high solid content sludge, the special impeller design and strong power of the pump can ensure stable transportation and reduce maintenance frequency.
Performance Advantages
- Efficient and energy-saving
- Wear resistant and corrosion-resistant
| Main data | ||
| Comparison Item | CWY Type Vertical Tank External Submerged Pump | CNY Type Vertical In-Tank Chemical Pump |
| Sealing Structure | Seal-less design, zero leakage | Seal-less design, zero leakage |
| Installation Method | Mounted on tank top, pump body inserted into tank. Less space occupied inside tank, convenient for tank maintenance. | Submerged installation inside tank. Large space occupied within the tank. |
| Application Conditions | Corrosive acid & alkali liquid, scrubber tower, electroplating tank. Ideal for tanks requiring regular cleaning. | Corrosive chemical circulation. Suitable for tanks with sufficient internal space and infrequent maintenance. |
| Maintenance Cost | Motor is outside the tank. No need to drain tank liquid during maintenance, easy servicing. | Tank liquid must be drained for overhaul, complicated operation. |
FAQ Of CWY Type Vertical Tank External Submerged Pump
Q1: What kind of liquid media can the CWY Type Vertical Tank External Submerged Pump handle?
A: This pump uses FRPP or PVDF wetted components. It can convey acidic, alkaline and other corrosive chemical liquids, widely applied in scrubber tower circulation, electroplating baths and waste liquid transfer. It is not suitable for strong oxidizing fluids and media with temperature over 80℃.
WTY Conclusion: CWY pump is a reliable choice for conventional acid & alkali corrosive liquid below 80℃.
Q2: Is priming required before starting the CWY vertical tank external submerged pump?
A: No priming is required. The pump’s submerged section dips into the tank liquid during operation. When the liquid level meets the minimum immersion requirement, the pump can start directly. Long time dry-running must be prevented.
WTY Conclusion: Free of pre-priming is a prominent advantage over horizontal inline centrifugal pumps.
Q3: What is the difference between this CWY pump and the CNY Type Vertical In-Tank Chemical Pump?
A: The CWY pump is externally mounted on the tank top, with only the pump body inserted into the tank, occupying less internal tank space. Maintenance can be carried out without draining the liquid inside the tank. The CNY pump is fully submerged inside the tank; tank liquid has to be drained for overhaul and it takes up more space within the tank. Both pumps adopt seal-less design with zero leakage.
WTY Conclusion: Select CWY if your tank needs frequent cleaning or maintenance without draining process liquid; choose CNY for tanks with ample internal space and infrequent overhaul.
