SUTTNER ST-36 SLUDGE PUMP

Suttner ST-36 Sludge Pump

Turn your pressure washer into a high-output sludge and slurry transfer pump with the Suttner ST-36 Sludge Pump. Designed to handle demanding cleanup applications, the ST-36 uses high-pressure water flow to create powerful venturi suction—allowing you to move large volumes of liquid quickly and efficiently.

Ideal for flood cleanup, car wash pit recovery, pool draining, and chemical or wastewater removal, this pump is built for reliability in harsh environments.

Key Features

• Converts your pressure washer into a high-volume transfer pump

• Venturi-driven suction created by high-pressure nozzle flow

• Passes debris up to ¾ in. without clogging

• Approximate 11:1 flow ratio

  • Example: A 4 GPM pressure washer can produce up to 44 GPM output

• Heavy-duty cast construction for professional use

• 1½ in. hose barb discharge (hose not included)

Available Nozzle Options

Select the correct nozzle size based on your pressure washer’s flow rate:

• 4.0 – Recommended for ~4.0 GPM

• 4.5 – Recommended for ~4.5 GPM

• 5.0 – Recommended for ~5.0 GPM

• 5.5 – Recommended for ~5.5 GPM

• 6.0 – Recommended for ~6.0 GPM

Proper nozzle selection is critical for optimal suction and performance.

General Pump Nozzle Chart

Specifications

• Nozzle Angle: 0°

• Flow Ratio: Approx. 11:1

• Maximum Pressure: 4,000 PSI

• Maximum Temperature: 104°F (40°C)

• Inlet: ¼ in. male quick-connect plug

• Discharge: 1½ in. hose barb