Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

BARNES STEP522DS General Purpose Effluent Pump - General Purpose Effluent Pumps
BARNESGeneral Purpose Effluent Pumps

BARNES STEP522DS General Purpose Effluent Pump

The BARNES Effluent Pump (MPN STEP522DS) is a 1/2 hp general purpose effluent pump with a 240V AC single-phase motor. It delivers a flow rate of 75 gpm at 10 feet of head and a maximum head of 70 feet, featuring a…

SKU 3G-OTH-84350

Brand
BARNES
Item
STEP522DS General Purpose Effluent Pump
Category
General Purpose Effluent Pumps
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

BARNES
Manufacturer Part Number
STEP522DS
Type
Single Phase, 75 gpm Flow Rate @ 10' of Head
AC
240V
Switch
Not Included
Max. Head
70 ft
Rated Voltage
240V AC
Impeller Material
Polypropylene

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

BARNES Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BARNES Effluent Pump (MPN STEP522DS) is a 1/2 hp general purpose effluent pump with a 240V AC single-phase motor. It delivers a flow rate of 75 gpm at 10 feet of head and a maximum head of 70 feet, featuring a polypropylene impeller. This pump does not include a switch.

Frequently Asked Questions

What is the BARNES STEP522DS effluent pump used for?

The BARNES STEP522DS is a 1/2 hp general purpose effluent pump designed for wastewater transfer in residential and light commercial applications. It handles effluent from septic tanks or sewage systems, moving water with solids up to 3/4 inch diameter. 3G Electric supplies this pump for worldwide delivery.

What are the specifications of the BARNES STEP522DS pump?

The BARNES STEP522DS is a 1/2 hp, 240V AC single-phase effluent pump. It delivers 75 gpm at 10 feet of head with a maximum head of 70 feet. The impeller is polypropylene, and the pump does not include a switch. 3G Electric sources this BARNES pump for global supply.

Where to buy the BARNES STEP522DS effluent pump worldwide?

3G Electric supplies the BARNES STEP522DS effluent pump to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this 1/2 hp, 240V AC single-phase pump.

How to select the right effluent pump for my application?

Select an effluent pump based on required flow rate, total dynamic head, and voltage. The BARNES STEP522DS offers 75 gpm at 10 feet of head and 70 ft max head with a 240V AC single-phase motor. Ensure the pump's impeller material, like polypropylene, is compatible with your effluent. 3G Electric can help you choose.

Used in

Common applications for BARNES
Municipal wastewater lift stations — Barnes sewage ejector pumps (e.g., MPN 133155) for transferring effluent to treatment facilities.
Commercial building sump pits — Barnes non-clog sewage pumps (e.g., MPN 132752) for handling solids in basement drainage systems.
Industrial dewatering — Barnes general-purpose sewage pumps (e.g., MPN 104910) for removing water from construction sites or pits.
HVACR system maintenance — Barnes & Jones head assemblies (e.g., FT58) for replacing controls in heating and cooling equipment.
Wastewater treatment plant maintenance — Barnes seal kits (e.g., 107276SD-GIS) for servicing dewatering pump seals.
Agricultural effluent handling — Barnes sewage ejector pumps (e.g., MPN 2SEV2022DS) for managing manure or runoff in farm operations.

BARNES Products

3G Electric supplies BARNES general purpose effluent pumps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Pump Accessories Valves & Regulation Motors & Drives All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
This general-purpose inline circulator pump is designed for potable water systems in closed-loop heating or recirculation applications. It features a bronze construction, flange connection, and includes a volute. The pump operates at 115V AC, delivers 18 gpm flow with a maximum head of 12 ft, and has a face-to-face dimension of 6 3/8 in
BELL & GOSSETT
This general-purpose inline circulator pump is designed for potable water systems in closed-loop heating or recirculation applications. It features a bronze construction, flange connection, and includes a volute. The pump operates at 115V AC, delivers 18 gpm flow with a maximum head of 12 ft, and has a face-to-face dimension of 6 3/8 in
Bronze inline circulator pump for potable water systems. Rated 115V AC, 50 gpm flow, 53 ft max head. Features FNPT connections, 6 3/8 in face-to-face dimension, and includes volute. Suitable for hydronic heating and water circulation applications
BELL & GOSSETT
Bronze inline circulator pump for potable water systems. Rated 115V AC, 50 gpm flow, 53 ft max head. Features FNPT connections, 6 3/8 in face-to-face dimension, and includes volute. Suitable for hydronic heating and water circulation applications
Cast iron three-piece inline circulator pump for potable water systems. Flanged connections, 208-230/460V AC, 3/4 hp, 180 gpm at 24 ft max head. Volute included
BELL & GOSSETT
Cast iron three-piece inline circulator pump for potable water systems. Flanged connections, 208-230/460V AC, 3/4 hp, 180 gpm at 24 ft max head. Volute included
Three-piece inline circulator pump for potable water systems. Bronze construction with flange connection and included volute. Delivers 180 gpm at 24 ft maximum head. Operates on 115/208-230V AC. Suitable for hydronic heating and cooling loops in commercial or industrial applications
BELL & GOSSETT
Three-piece inline circulator pump for potable water systems. Bronze construction with flange connection and included volute. Delivers 180 gpm at 24 ft maximum head. Operates on 115/208-230V AC. Suitable for hydronic heating and cooling loops in commercial or industrial applications
This general-purpose inline circulator pump is designed for potable water systems in commercial and residential closed-loop piping. It features a stainless steel construction, flange connections, and includes a volute. The pump delivers up to 22 gpm at 15 ft maximum head, powered by a 115V AC motor
BELL & GOSSETT
This general-purpose inline circulator pump is designed for potable water systems in commercial and residential closed-loop piping. It features a stainless steel construction, flange connections, and includes a volute. The pump delivers up to 22 gpm at 15 ft maximum head, powered by a 115V AC motor
BELL & GOSSETT
BELL & GOSSETT
Bronze inline circulator pump for potable water systems. Delivers 155 gpm at 17 ft max. head. Flange connections, volute included. Nameplate voltage 115/208–230V AC

More from BARNES

View all BARNES parts
This BARNES effluent pump is a 1 hp, 240V AC single-phase unit designed for general purpose wastewater transfer. It delivers 84 gpm at 10 feet of head and a maximum head of 100 feet, with a polypropylene impeller. Suitable for handling effluent from septic tanks or sewage basins in residential and light commercial applications. Switch not included
BARNES
This BARNES effluent pump is a 1 hp, 240V AC single-phase unit designed for general purpose wastewater transfer. It delivers 84 gpm at 10 feet of head and a maximum head of 100 feet, with a polypropylene impeller. Suitable for handling effluent from septic tanks or sewage basins in residential and light commercial applications. Switch not included