Wilo-Sub TWI 6

The Wilo‑Sub TWI 6 is a corrosion‑resistant stainless steel submersible pump designed for water supply, irrigation, and domestic hot water applications, offering high flexibility and long service life. It’s part of Wilo’s Sub TWI series, available in multiple sizes and performance ranges.

Category: Submersible Pumps

Description

The Wilo‑Sub TWI 6 is a corrosion‑resistant stainless steel submersible pump designed for versatile water supply, irrigation, and domestic hot water applications. With flow rates up to 250 m³/h and heads reaching 75 m, it delivers reliable performance across a wide hydraulic range. Its robust construction, available in stainless steel or V4A quality, ensures durability even under demanding conditions, while ACS certification makes it suitable for potable water systems. Compact, efficient, and easy to integrate, the Sub TWI 6 offers long service life and flexible installation options, making it an ideal solution for both residential and industrial water management.

Submersible design: Stainless steel submersible pump for water supply and circulation.
Corrosion resistance: Stainless steel construction, with optional V4A quality for demanding environments.
ACS certification: Approved for domestic hot water and potable water systems.
Performance range: Flow rates up to 250 m³/h and heads up to 75 m.
Pressure capacity: Handles operating pressures up to 40 bar.
Motor options: Rated power from 0.55 kW to 37 kW, 400 V mains connection.
Flexible versions: Available in 4‑, 6‑, 8‑, and 10‑inch sizes for different installation needs.
Temperature range: Suitable for fluid temperatures between 3 °C and 30 °C.
Long service life: Robust construction ensures reliability in residential, municipal, and industrial use.

Designed for pumping drinking water (in accordance with ACS and RI.SE), rainwater and process water with up to 50 g/m³ sand content from wells and rainwater storage tanks for the following applications:

Irrigation
Sprinkling
Water supply
Pressure boosting
Ground water drainage and lowering

Long service life thanks to corrosion-resistant stainless steel, optionally in V4A quality
ACS certified for domestic hot water applications
A high degree of flexibility thanks to versions in the 4, 6, 8 and 10-inch area
High range of performance from 1 to 250 m³/h

Download the Wilo-Sub TWI 6 Installation Manual