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Water return circulating pump

Wall Hung Boiler Hydraulic Pump for Heating and Cooling Systems

PBG Series Wet Rotor Circulation Pump with Auto Air Vent for Gas Boilers

PBG Series Compact Boiler Water Pump with Integrated Air Removal System

PBG Series Stainless Steel Shielded Pump for Clean Non Corrosive Liquids

PBG Series Energy Efficient Wet Rotor Pump for Wall Mounted Boilers

PBG Series Automatic Air Venting Circulation Pump for Hydronic Systems

PBG Series Maintenance Free Boiler Pump with Liquid Lubricated Bearings

PBG Series Domestic Heating System Pump for Clean Water Circulation

PBG Series Non Explosive Liquid Transfer Pump for Wall Hung Boilers

3SDM 0.37KW 220V Advanced Technology Submersible Water Pump Deep Well Pumps for Home Use

1.For water supply from wells or reservoirs.
2.For domestic use,for civil andindustrial applications.
3. For garden use and irrigation.

Product description

This professional pumping system is designed for intensive water supply operations including deep well extraction, agricultural irrigation, and industrial process water circulation. Featuring an 80m maximum immersion depth and 0.25% solids tolerance, it operates reliably in +35°C liquids within constrained 4" diameter spaces. The motor portfolio includes both maintainable rewinding units and sealed permanent magnet versions, compatible with three-phase 380-415V or single-phase 220-240V/50Hz power networks. Control solutions range from elementary starter packages to sophisticated digital automation systems with remote monitoring capabilities. Engineered with robust pressure-resistant casings, the pumps support optional technical specifications including specialized mechanical seals and alternative electrical configurations (60Hz/custom voltages). The system demonstrates particular effectiveness in residential water well applications, commercial building services, and extensive landscape irrigation projects demanding efficient, long-lasting water transfer solutions.

4SD2

Application

1.For water supply from wells or reservoirs.

2.For domestic use,for civil andindustrial applications.

3. For garden use and irrigation.

Operating conditions

1.Maximum fluid temperatureup to +35℃

2.Maximum immersion:80m

3.Maximum sand content:0.25%

4.Minimum well diameter:4"。

Motor and Pump

1.Rewindable motoror Full obturatedscreen motor Three-phase:380V-415V/50Hz

Single-phase:220V-240V/50Hz

2.Equip with start control boxor digital auto-control box Pumps are designed by casing stressed

Options on request

1.Special mechanical seal

2.Other voltages or frequency 60 Hz

Specification

Model number	Voltage(V)	Frequency（HZ）	Rated power(KW)	Rated flow(m3/h)	Rated head(m)	Caliber	Rotational speed(r/min)
Model number	Voltage(V)	Frequency（HZ）	Rated power(KW)	Rated flow(m3/h)	Rated head(m)	Caliber	Rotational speed(r/min)
3SDM3-54/16-0.75	220	50	0.75	3	54	3寸	2850
3SDM3-82/24-1.1	220	50	1.1	3	82	3寸	2850
3SDM3-64/15-0.37	220	50	0.37	3	64	3寸	2850
3.5SDM2-52/11-0.37	220	50	0.37	2	52	3.5寸	2850
4SDM2-66/12-0.55	220	50	0.55	2	66	4寸	2850
4SDM2-77/14-0.75	220	50	0.75	2	77	4寸	2850
4SDM2-105/19-1.1	220	50	1.1	2	105	4寸	2850

FAQs

1.Q:Are you a manufactory?
A: Yes! As both a manufacturer and solution provider, we design and produce pumps in-house, offering end-to-end support for fluid transfer applications.
2.Q:SS vs cast iron housing selection?
A:Cast iron for fresh water; 316L SS for corrosive/seawater
3.Q: No water flow troubleshooting?
A:Check: 1) Power 2) Pipe leaks 3) Clogged impeller