Suttner ST-7 Flow Switch – 350 Bar, 45 LPM, Brass Construction

Product Overview

The Suttner ST-7 is a next-generation flow switch designed for superior performance and durability in industrial pressure washer systems. Unlike traditional models using fragile reed contacts, the ST-7 incorporates a robust industrial-grade microswitch for longer life, improved reliability, and significantly higher electrical output. Engineered for high-pressure and high-flow applications, this flow switch is ideal for demanding environments where consistent operation is critical.

Key Features

✅ High Performance: Operates up to 350 Bar and 45 LPM
✅ Industrial Microswitch: Replaces reed-contact design for improved reliability and switching capacity
✅ Low Pressure Drop: Only 1.5 Bar at 30 LPM – maintains system efficiency
✅ Electrical & Hydraulic Separation: Safe, modular design for easier integration in production
✅ Ingress Protection: IP65 rated for tough environments
✅ Temperature Rating: Max fluid temperature of 80°C
✅ Electrical Rating: 250 V / 10 A (20 A inrush NC, 15 A NO)
✅ Connection Type: ⅜" BSP Female inlet and outlet
✅ Cable Length: 1200 mm
✅ Construction: Durable brass body with black protective housing

Why Choose the Suttner ST-7?

The ST-7 combines mature German engineering with industrial reliability. It delivers dependable switching even at low flow rates, with minimal pressure loss. Ideal for OEM builds, upgrades, or heavy-duty commercial pressure washing setups, it’s the ultimate choice for operators who demand performance and longevity.

Order Now

Add the Suttner ST-7 Flow Switch to your high-pressure system today. For compatibility support or trade pricing, contact Flowjet’s technical sales team.