ST45 Stainless Steel Pressure Washer Quick Release Coupling – 3/8” Female BSP (EPDM Seal)

Product Overview

The ST45 Quick Release Coupling from R&M Suttner is a premium stainless steel connector designed for high-pressure cleaning systems. This industry-standard 20mm Tema/ST45 coupling allows for quick and secure hose or lance changes, saving time and improving workflow efficiency in professional environments.

Fitted with a 3/8” BSP female inlet and an ST45 quick release female outlet, this coupling is suitable for pressure washers up to 250 Bar and temperatures up to 150°C. Constructed from stainless steel with an EPDM internal seal, it is highly resistant to heat, pressure, and chemical attack, making it ideal for use in demanding washdown and industrial applications.

Key Features

• ✅ Brand: R&M Suttner

• ✅ Inlet: 3/8” BSP Female

• ✅ Outlet: ST45 Quick Release Female ⌀ 20mm

• ✅ Material: Corrosion-Resistant Stainless Steel

• ✅ Seal Type: EPDM – High resistance to heat and chemicals

• ✅ Maximum Pressure: 250 Bar

• ✅ Maximum Temperature: 150°C

• ✅ Quick Release System: Fast, secure connection for lances and accessories

• ✅ Compatible With: Tema and Suttner ST45 male plugs

Why Choose This Product?

The ST45 3/8” Female Quick Release Coupling offers the durability and ease of use needed for professional cleaning operations. Its stainless steel body and EPDM seal deliver exceptional resistance to corrosion, thermal stress, and chemical exposure—perfect for high-temperature cleaning environments such as food processing, vehicle wash bays, or agricultural systems.