✅ This item is normally regularly stocked. Shipping times may vary depending on availability. Please contact us to confirm stock and shipping times. You will receive tracking details once the item has shipped.
Description
Durable 1 HP Submersible Dewatering Pump for Muddy and Silty Water
Product Overview
The HCP Model A-31V is a robust electrical submersible dewatering pump engineered for transferring water containing solids. It is commonly operated in construction sites, utility pits, and basements where muddy water submersible pump capabilities are required. The unit features a cast iron upper cover and a 304 stainless steel motor frame housing a vortex impeller. This construction allows the HCP Model A-31V to handle fluid with suspended solids without clogging. HCP is Taiwan's most successful submersible pump manufacturer, known for reliability in harsh conditions.
Key Benefits of A-31V Electrical Submersible Dewatering Pump
- Achieves rapid fluid transfer with a maximum flow rate of 140 GPM.
- Handles abrasive liquids and suspended solids up to 3/8" using a vortex impeller.
- Ensures extended operational life with double mechanical seals in an oil-filled chamber.
- Prevents motor damage during heavy use with integrated thermal motor protection.
- Resists corrosion and impact with a cast iron volute and stainless steel motor frame.
- Provides a stable base and blocks large rocks with a robust bottom-end strainer.
HCP Model A-31V Specifications
| Category | Details |
|---|---|
| Model | A-31V |
| Motor Output | 1 HP (0.75 kW) |
| Discharge Size | 3" FPT |
| Voltage/Phase | 120V / Single Phase |
| Max Flow Rate | 140 GPM (@ 5 ft head) |
| Max Head | 39 ft (@ 4 GPM) |
| Max Solid Intake | 3/8" |
| Impeller Type | Vortex |
| Motor Type | Air Filled Motor |
| Dimensions | 10" x 7" x 17" |
| Operating Weight | 37 lbs (17 kg) |
| Certifications | cUL and UL Certified |
What’s Included
- HCP Model A-31V Submersible Pump
- Power Cable
- 3" Discharge Outlet
Key Features of HCP Model A-31V Electrical Submersible Pump
Vortex Impeller Design
The vortex impeller design creates a rotating mass of water that allows solids to pass through the pump housing without jamming the impeller, making it a highly effective silty water drainage pump.
Thermal Motor Protection
An automatic on/off motor protector guards against motor burnout caused by high temperatures or excess amperage draw, ensuring the 1 HP submersible dewatering pump remains operational in tough conditions.
Double Mechanical Seals
To ensure longevity in dirty water applications, the pump utilizes a carbon/ceramic upper seal and a silicon/carbide lower seal, lubricated by food-grade oil to prevent leakage and wear.
Durable Construction Materials
The combination of a cast iron upper cover, FC200 casing, and a 304 stainless steel motor frame provides the necessary durability for municipal and construction applications.
Epoxy Cable Base
An epoxy resin seal at the cable entry point prevents moisture from wicking into the motor through the core wires, a common failure point in submersible pumps.
Performance Overview
The 140 GPM dewatering pump delivers high-capacity performance at lower heads, peaking at 140 GPM at 5 feet of lift. It maintains capability up to a maximum shut-off head of 39 feet. This pump is equipped with a high-efficiency motor and designed for stable operation in fluid temperatures up to 40°C (104°F). It is suited for applications requiring the movement of water with high turbidity or silt content.
Applications
- Construction site dewatering
- Basement sump pits
- Utility rooms and manholes
- Emergency water removal
- Fishpond and cellar draining
- Muddy and silty water transfer
- Residential water management
Installation & Use Notes
- Submersible Use Only: The unit must be submerged during operation to ensure proper cooling.
- Power Requirements: Requires a standard 120V single-phase power connection.
- Manual Operation: This model does not include a built-in float switch; it operates continuously when plugged in unless an external control is added.
- Solid Limitations: Verify that debris in the water does not exceed the 3/8" solid handling capacity.
- Strainer Maintenance: Periodically check the bottom strainer to ensure large debris does not block it.
Accessories & Add-Ons
To convert this manual pump for automatic operation, we recommend pairing it with a high-quality float switch.
- Piggyback float switch – Enables automatic on/off control based on water levels.
Professional-Grade Pumping Solutions from Cleanflow
Cleanflow provides the HCP Model A-31V for contractors and facility managers seeking reliable water management equipment. As a trusted supplier of industrial-grade submersible dewatering pumps, we deliver durable solutions designed to reduce downtime.
Our extensive HCP pump lineup meets a wide range of drainage needs across Canada and the USA.
Frequently Asked Questions
What is the best submersible pump for muddy and silty water?
The HCP Model A-31V is well suited for muddy and silty water. Its vortex impeller design allows suspended solids and debris to pass through without clogging, making it more effective than standard centrifugal pumps in these conditions.
Does the HCP Model A-31V have built-in thermal protection?
Yes. The pump includes integrated thermal motor protection that automatically shuts the unit off if overheating occurs, helping prevent motor damage during heavy or prolonged use.
What is the maximum solid size the HCP A-31V can handle?
The A-31V can handle solids up to 3/8 inch in diameter, making it suitable for water containing small stones, mud, and general debris.
How durable is the HCP A-31V for construction dewatering?
The pump is built for demanding construction environments, featuring a cast iron volute and upper cover combined with a 304 stainless steel motor frame to withstand abrasive conditions and rough handling.
What is the flow rate of the HCP 1 HP dewatering pump?
The HCP Model A-31V delivers up to 140 gallons per minute at approximately 5 feet of head. Flow decreases as lift increases, with a maximum shut-off head of 39 feet.
Can the HCP Model A-31V operate continuously in dirty water?
Yes. When fully submerged and operated within its rated solid handling limits, the A-31V is designed for continuous-duty operation in dirty and silty water applications.
Where can I buy a durable 1 HP dewatering pump?
The HCP Model A-31V and other professional-grade dewatering pumps are available from Cleanflow, with shipping throughout Canada and the United States.
Manuals & Documentation
✅ This item is normally regularly stocked. Shipping times may vary depending on availability. Please contact us to confirm stock and shipping times. You will receive tracking details once the item has shipped.
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