Interpump TT1511CVB Pump with Unloader Valve – 150 Bar, 11 LPM

High-Performance 51 Series Pressure Washer Pump with Integrated Valve & Injector

The Interpump TT1511CVB is a compact, high-speed triplex plunger pump designed for professional pressure washer systems. Part of the trusted Interpump 51 Series, this model delivers 150 bar pressure and a flow rate of 11 LPM, making it ideal for light to medium-duty industrial and commercial cleaning tasks.

Built for reliability and ease of integration, the TT1511CVB features a 3/4” hollow shaft, a brass manifold, and an integrated VH trapped pressure unloader valve for safe and consistent pressure regulation. It also includes a built-in chemical injector for detergent application and a C flange for direct coupling to SAE J609 A ext3 engines.

Key Features

• ✅ Max Pressure: 150 Bar

• ✅ Flow Rate: 11 LPM

• ✅ Motor Power: 4.0 HP (2.94 kW)

• ✅ Speed: 3400 RPM

• ✅ Shaft: 3/4” hollow shaft for direct engine mounting

• ✅ Brass Manifold with Integrated Valve – Built for durability and performance

• ✅ Unloader Valve: VH Trapped Pressure – Ensures smooth, safe operation

• ✅ Chemical Injector: Built-in for downstream detergent application

• ✅ Mounting: C Flange for SAE J609 A ext3 engines

• ✅ Inlet/Outlet: 1/2” BSP Female Inlet / 3/8” BSP Male Outlet

Applications

• Compact petrol or engine-driven pressure washers

• Mobile wash systems and trailer setups

• Agricultural and machinery cleaning

• Industrial maintenance and equipment washdown

Why Choose the TT1511CVB?

This model combines performance, durability, and convenience. With a compact footprint, integrated components, and high-speed capability, it simplifies system builds while reducing the need for external valves or injectors. A popular choice for OEMs and service engineers alike.