Quiet Domestic Shielding Smart Recirculation Pump

• After-sales Service: 1 Year
• Warranty: 1 Year
• Max.Head: <10m
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: HRS-EA-C
• Max.Capacity: <50 L/min
• Driving Type: Motor
• Material: Cast Iron
• Structure: Single-stage Pump
• Assembly: Booster Pump
• Power: Electric
• Start Up: Electric Pump
• Type: Shield Pump
• Application: Shield Pump
• Industry: Domestic
• Media: Air Pump
• Performance: Automatic Pump
• Theory: Electromagnetic Pump
• Pump Power: 22-120W
• Rated Flow: 1.6-3.5m3/H
• Rated Head: 2-6m
• Pump Body: Cast Iron
• Transport Package: Wooden Box
• Specification: small
• Trademark: EDWIN
• Origin: China
• Package Size: 20.00cm * 10.00cm * 10.00cm
• Package Gross Weight: 3.000kg

Product Description

Description : 

When discussing a "Quiet Domestic Smart Recirculation Pump" that is described as a "Shielding Pump" with "variable frequency adaptive" features, aiming for quiet and efficient operation, we're delving into an advanced piece of technology designed for modern home heating and cooling systems. Let's break down the key components and benefits of such a pump to understand its significance and functionality better.

Key features : 
1. Quiet Operation

One of the primary features of this kind of pump is its quiet operation. This is crucial in a domestic setting where noise can be a significant disturbance. Manufacturers achieve quiet operation through various means, including:

• Advanced Motor Design: Utilizing brushless DC motors that inherently produce less noise.
• Vibration Damping: Implementing vibration-absorbing materials and techniques to minimize the transmission of any operational vibrations to the surrounding structure.
• Acoustic Insulation: Encasing the pump in materials that absorb or block the transmission of sound.

2. Smart Recirculation

Smart recirculation refers to the pump's ability to automatically adjust its operation based on real-time demand or pre-defined schedules. This capability ensures that hot water is available when needed without the constant running of the pump, leading to:

• Energy Efficiency: By operating only when necessary, it significantly reduces energy consumption.
• Water Conservation: It minimizes the waste of water that typically occurs while waiting for hot water to reach the tap.

3. Shielding Pump Technology

A shielding pump, also known as a canned rotor pump, has its motor encased in a can (shield) that separates it from the pumped fluid. This design offers several advantages:

• Leak Prevention: Since the motor is completely enclosed, there's a reduced risk of leakage, enhancing safety, especially when dealing with hot water systems.
• Longevity and Reliability: The separation protects the motor from potential damage caused by the fluid, extending the pump's life.

4. Variable Frequency Adaptive

Variable frequency drive (VFD) technology allows the pump to adjust its speed based on the demand. This adaptability not only contributes to energy efficiency but also enhances the system's responsiveness and performance by:

• Adapting to System Needs: Automatically adjusting flow rates to match usage patterns or specific heating/cooling requirements.
• Reducing Wear and Tear: By operating at lower speeds when demand is low, the pump experiences less mechanical stress, further improving its lifespan.

5. Efficiency and Environmental Impact

Combining these features results in a pump that is not only quiet and efficient but also has a positive environmental impact by reducing energy and water consumption. This aligns with global efforts towards sustainability and energy conservation.

Components : 

Components	Material
Pump body	Cast iron
Impeller	PES
Bearing	Ceramic
Shaft	Ceramic
Motor	International class H high temperature copper wire

Operation interface : 
Technical Data :

Model	Power	Max. Head	Max. Flow	Max Current	Rated Head	Rated Flow
	(W)	(m)	(m³/h)	(A)	(m)	(m³/h)
HRS25/4EA-C3	22	4	3	0.18	2	1.8
HRS25/4EA-C8	22	4	3	0.18	2	1.6
HRS32/4EA-C8	22	4	3	0.18	2	1.6
HRS25/5EA-C3	32	5	3.4	0.25	2	2.5
HRS25/5EA-C8	32	5	3.4	0.25	2	2.2
HRS32/5EA-C8	32	5	3.4	0.25	2	2.2
HRS25/6EA-C3	45	6	3.7	0.34	3	2.5
HRS25/6EA-C8	45	6	3.7	0.34	3	2.2
HRS32/6EA-C8	45	6	3.7	0.34	3	2.2
HRS25/7EA-C3	52	7	4	0.39	3	2.8
HRS25/7EA-C8	52	7	4	0.39	3	2.5
HRS32/7EA-C8	52	7	4	0.39	3	2.5
HRS25/8EA-C3	63	8	5.2	0.48	4	2.8
HRS25/8EA-C8	63	8	5.2	0.48	4	3.1
HRS25/9EA-C3	90	9	5.4	0.68	5	3.2
HRS25/9EA-C8	90	9	5.4	0.68	5	3.2
HRS25/10EA-C3	100	10	5.7	0.75	6	2.9
HRS25/10EA-C8	100	10	5.7	0.75	6	3.1
HRS25/12EA-C3	120	12	6.1	0.85	6	3.3
HRS25/12EA-C8	120	12	6.1	0.85	6	3.5
HRS32/8EA-C8	63	8	5.2	0.48	4	3.1
HRS32/9EA-C8	90	9	5.4	0.68	5	3.2
HRS32/10EA-C8	100	10	5.7	0.75	6	3.1
HRS32/12EA-C8	120	12	6.1	0.85	6	3.5