The Davey DT37G sits at the top end of Davey’s submersible grinder range, bringing together a robust 3.7 kW, 50 Hz three-phase motor with a heavy-duty grinding system to handle challenging sewage and wastewater environments. Its grinder inlet shreds soft solids, sanitary products, thin rubber items, and textiles into a pumpable slurry, while the open impeller design minimises the risk of blockage inside the pump. This pairing of aggressive cutting and efficient hydraulics makes the DT37G an excellent choice where long discharge runs, significant static lift, or small-bore pressure mains are part of the design.

• Brand: Davey
• Model: DT37G
• Origin: Australia
• Power (P2): 3.7 kW (3-phase)
• Max Head: 38 m
• Max Flow: 17.4 m³/h
• Suction Size: Integral screened inlet (submersible)
• Discharge Size: 2″ Female BSP
• Applications: Grey & black water pumping, sewage/effluent pits, sump emptying, pressure sewer systems, commercial wastewater transfer, light industrial effluent handling
• Build Material: Cast iron casing & impeller (FCD400/FC200), high-chrome steel shredding & grinding rings, 304 stainless steel shaft, SiC/ceramic mechanical seals (oil bath), NBR elastomers

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The DT22G from Davey is a premium‐grade submersible grinder pump designed to deliver reliable performance in demanding wastewater conditions. Built with a robust cast iron body, high‐chrome steel grinding ring, and open impeller design, it is specifically configured to pump grey water, black water and raw sewage containing soft organic solids, sanitary items and textiles (within design limits) by shredding them into a fine slurry and conveying the flow through pressure sewer mains or discharge lines.

• Brand: Davey

• Model: DT22G

• Origin: Australia (Davey local manufacturing/distribution)

• Power (P2): 2.2 kW (three-phase)

• Input Power (P1): Not explicitly listed (requires manufacturer confirmation)

• Max Head: 38 m

• Max Flow: 290 L/min (≈ 17.4 m³/h) Pumps WA+1

• Suction Size: Implicit (model uses 2″ F outlet) – for DT22G the outlet is 2″ female BSP.

• Discharge Size: 2″ (female BSP)

• Applications: Grey & black water pumping; sump emptying; septic-effluent & sewage disposal; wastewater with soft solids in suspension.

• Build Material:

  • Impeller: Cast iron (FCD 400)

  • Grinding ring/shredding ring: High Chromium steel

  • Pump casing & outlet: Cast iron (FCD 400 / FC200)

  • Shaft: Stainless steel (304)

• Operating limits:

  • Maximum submergence: 20 m for DT22G series

  • Maximum pumped liquid temperature: 40 °C

  • Suitable fluid: Sewage or “grey water” of neutral pH containing up to 20% soft organic solids.

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Engineered for demanding wastewater and sewage pumping applications that require reliability, cutting performance, and high lift capability. Built to the standards of Davey’s renowned durability, this heavy-duty submersible pump integrates a powerful 1.5 kW motor with a cast iron grinder system, ensuring efficient maceration of sewage and waste solids before discharge.

Brand: Davey

Model: DT15G

Origin: Australia

Power (P2): 1.5 kW (3PHASE)

Input Power (P1): 2.0 kW (approx.)

Max Flow: 17.4 m³/h

Max Head: 38 m

Suction Size: 2″ (F)

Discharge Size: 1¼″ (F)

Applications: Sewage transfer, wastewater lifting, basement and effluent pits, industrial waste treatment, commercial buildings

Build Material: Cast iron pump body, stainless steel shaft, cast iron impeller with grinder blades

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The Davey DT22K sits in the middle-upper tier of Davey’s K-Series cutter pumps, engineered for demanding wastewater duties where conventional open-impeller sump pumps risk blockage. Built around a single-channel centrifugal hydraulic with a cutting leading edge, the DT22K slices fibrous matter such as rags and wipes before discharge, helping to keep both the pump and downstream pipework clear. This design choice reduces unplanned stoppages and maintenance costs in real-world sewage and trade-waste environments.

• Model: DT22K (K-Series Cutter type)
• Origin: Australia
• Power (P2): 2.2 kW (three-phase)
• Max Head: ≈ 28–30 m
• Max Flow: ≈ 60 m³/h
• Suction Size: Submersible intake (base-mounted)
  

  Davey DT22K Submersible Cutter Sewage Pump 0

• Discharge Size: 3″ BSP(F)
• Applications: Sewage/effluent pumping, sump emptying, factory wastewater, transfer of grey water with stringy or soft solids
• Build Material: Cast-iron casing & impeller with tungsten-carbide cutting tip; hardened cast-iron diffuser; 304 SS shaft/motor shell/handle/fasteners; dual mechanical seals (SiC/Ceramic pump side; Carbide/Ceramic motor side) in oil bath; Nitrile elastomers

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A range of single-channel centrifugal pumps engineered to move contaminated or semi-solid fluids reliably and safely.Three-phase heavy-duty sewage and effluent pump with cutter impeller. It combines heavy-duty construction with cutting efficiency for demanding environments.

• Brand: Davey Water Products

• Model: DT15K

• Origin: Australia

• Power (P2): 1.5 kW

• Input Power (P1): Not specified

• Max Head: ≈ 25 m (from series curve)

• Max Flow: ≈ 48 m³/h

• Suction Size: Submersible intake

• Discharge Size: 3″ BSP Female

• Applications: Sewage and effluent pumping, sump emptying, factory and wash-bay wastewater, grey water transfer with soft or stringy solids

• Build Material: Cast-iron casing and impeller with tungsten-carbide cutter tip; 304 SS shaft, motor shell, handle and fasteners; dual mechanical seals (SiC/Ceramic & Carbide/Ceramic) in oil bath; Nitrile rubber O-rings and elastomers

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A rugged, high-performance sewage and wastewater handling solution engineered for both domestic and commercial installations. Manufactured by Davey Water Products (Australia), it belongs to the K Series of cutter pumps, which are renowned for their reliability, corrosion resistance, and ability to process semi-solid and stringy waste with minimal maintenance and clogging.

• Power (P2): 0.75 kW
• Voltage: 220–240 V, single-phase (50 Hz)
• Speed: 2850 rpm (2-pole)
• Current: 7.5 A full load, 22.5 A locked rotor
• Pump Casing and Impeller: Cast iron for strength and wear resistance
• Cutting Tip: Tungsten carbide, for effective cutting of fibrous matter
• Diffuser Plate: Hardened cast iron
• Shaft: AISI 304 stainless steel
• Seals: Dual mechanical seals—silicon carbide/ceramic (pump side), carbide/ceramic (motor side)—in an oil bath for motor protection
• Elastomers: Nitrile rubber
• Max Head: 20 m
• Max Flow2150 l/min
• ApplicationsSewage, sump emptying, septic effluent disposal, wastewater transfer, light slurries, grey water

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It is a robust, high-efficiency solution engineered for applications requiring consistent pressure and flow. Designed and built in Australia, the HM Series is renowned for durability, corrosion resistance, and long service life in both domestic and industrial environments.

• Model: HM80-08

• Origin: Australia

• Max Head: 40m

• Max Flow:  150 L/min

• Suction Size: 1¼ ” BSP (32 mm)

• Discharge Size: 1 ” BSP (25 mm)

• Applications: Pressure boosting, irrigation, water transfer, washdown, HVAC and process circulation

• Build Material: 304 Stainless-Steel impellers, diffusers & shaft; cast-iron end covers; mechanical seal carbon/silicon-carbide

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