DEF Reusable Stainless Valve (RSV) Fill Coupler, 1 Unit
Product Overview
The Micro Matic RSV DEF Fill Coupler is a closed, sealed and secured container valve system. With a 1" NPT male liquid inlet and Viton® seals, this coupler provides pure diesel exhaust fluid (DEF) from manufacturer to end-user and is compliant with the ISO 22241 requirements.With a dry disconnect mechanism, the Micro Matic DEF Fill Coupler minimizes fluid loss to less than 2 mL. This design enhances accuracy during filling and reduces wastage, optimizing efficiency and cost-effectiveness. Our design features a 1" NPT male liquid inlet and 1/4” NPT female vapour recovery outlet for recovery of discharge vapours.With a maximum flow rate of 35 GPM, this coupler ensures swift and efficient fluid transfer. Whether you're filling DEF tanks or containers, the Micro Matic RSV DEF Fill Coupler delivers exceptional performance.
Features & Benefits
- Specifically engineered for diesel exhaust fluid systems.
- The Micro Matic DEF RSV Fill Coupler has been designed with a proprietary DEF 4-pin keyed system.
- Made with PEI-recommended Viton® seals.
- Crafted with heavy-duty AISI 304 stainless steel for durability and corrosion resistance.
- Our DEF RSV Fill Coupler is ideal for most fluid transfer applications.
- Suitable for dispensing and transferring DEF in various industries.




















