DIXON VALVE & COUPLING Cam and Groove Coupling: 4 in Coupling Size, 4 in -8 Thread Size, 3 7/8 in Overall Lg
The Dixon Valve & Coupling Type D Stainless Steel Cam & Groove Coupling (SKU 55MH88, MPN RD400EZHD) is a 4-inch coupling with a 4 in -8 FNPT thread, a 3 7/8-inch overall length, and a 316 stainless steel body with a…
SKU 3G-OTH-458029
Need installation or engineering help?
Ask a question
Product Description
The Dixon Valve & Coupling Type D Stainless Steel Cam & Groove Coupling (SKU 55MH88, MPN RD400EZHD) is a 4-inch coupling with a 4 in -8 FNPT thread, a 3 7/8-inch overall length, and a 316 stainless steel body with a nitrile gasket. It includes a locking arm for secure connections.
Frequently Asked Questions
What is a Dixon Cam and Groove Coupling used for?
A Dixon Cam and Groove Coupling is used for quick-connect hose and pipe connections in industrial fluid transfer applications. This 4-inch 316 stainless steel coupling with FNPT threads and a nitrile gasket is ideal for chemical, petroleum, and food processing systems requiring corrosion resistance and secure, leak-free connections.
What are the specifications of the Dixon RD400EZHD Cam and Groove Coupling?
The Dixon RD400EZHD is a 4-inch Type D stainless steel cam and groove coupling with a 4 in -8 FNPT thread size, 3 7/8-inch overall length, 316 stainless steel body, and a nitrile gasket. It includes a locking arm for secure connections. The manufacturer part number is RD400EZHD.
Where to buy a Dixon Cam and Groove Coupling worldwide?
3G Electric supplies the Dixon RD400EZHD cam and groove coupling worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 4-inch 316 stainless steel coupling with FNPT threads.
How to install a Dixon Cam and Groove Coupling?
To install a Dixon cam and groove coupling, ensure the mating adapter and gasket are clean and undamaged. Align the coupling arms with the adapter grooves, push the coupling fully onto the adapter, then close the cam arms until they lock. Always verify the locking arm is engaged before pressurizing the line.
Used in
Common applications for DIXON VALVE & COUPLINGDIXON VALVE & COUPLING Products
3G Electric supplies DIXON VALVE & COUPLING type d stainless steel cam & groove fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









