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DIXON VALVE & COUPLING Cam and Groove Coupling: 4 in Coupling Size, 4 in -8 Thread Size, 3 7/8 in Overall Lg - Type D Stainless Steel Cam & Groove Fittings
DIXON VALVE & COUPLINGType D Stainless Steel Cam & Groove Fittings

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

Brand
DIXON VALVE & COUPLING
Item
Cam and Groove Coupling: 4 in Coupling Size, 4 in -8 Thread Size, 3 7/8 in Overall Lg
Category
Type D Stainless Steel Cam & Groove Fittings
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Technical Specifications

DIXON VALVE & COUPLING
Manufacturer Part Number
RD400EZHD
Type
4 in -8 Thread Size, FNPT, Nitrile
Overall Lg
3 7/8 in
Thread Size
4 in -8
Fitting Type
FNPT
Body Material
316 Stainless Steel
Gasket Material
Nitrile
Includes Locking Arm
Yes
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DIXON VALVE & COUPLING Products
3G Electric (S) Pte. Ltd. — Singapore

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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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 & COUPLING
Chemical transfer — Dixon Type D forged brass cam and groove couplings for loading and unloading hoses in chemical processing plants.
Compressed air systems — Dixon Bowes Safety-Lock steel quick-connect plugs (e.g., N4M4-LS) for pneumatic tool connections in manufacturing facilities.
Marine fuel handling — Dixon Type C 316 stainless steel cam and groove couplings for fuel transfer hoses on vessels and docks.
Bulk material handling — Dixon Type AL stainless steel adapters (e.g., 150-AL-SS) for connecting hoses to flanged pipes in grain or powder transfer systems.
Water supply lines — Dixon Type F forged brass adapters for temporary water connections in construction or agricultural irrigation.
Dust protection — Dixon Type DC stainless steel dust caps for sealing unused cam and groove couplings in outdoor or washdown environments.

DIXON 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.

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Cam and Groove Coupling: 2 in Coupling Size, 1-1/2 in -11-1/2 Thread Size, 3 7/32 in Overall Lg (MPN 2015-D-SS). Key specifications — Thread Size: 1-1/2 in -11-1/2; Gasket Material: Nitrile; Fitting Type: FNPT; Includes Locking Arm: No; Body Material: 316 Stainless Steel; Brand: DIXON VALVE & COUPLING.
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Cam and Groove Coupling: 2 in Coupling Size, 1-1/2 in -11-1/2 Thread Size, 3 7/32 in Overall Lg (MPN 2015-D-SS). Key specifications — Thread Size: 1-1/2 in -11-1/2; Gasket Material: Nitrile; Fitting Type: FNPT; Includes Locking Arm: No; Body Material: 316 Stainless Steel; Brand: DIXON VALVE & COUPLING.
Cam and Groove Coupling: 3 in Coupling Size, 2 in -11-1/2 Thread Size, 3 5/8 in Overall Lg, FNPT (MPN 3020-D-SS). Key specifications — Thread Size: 2 in -11-1/2; Gasket Material: Nitrile; Fitting Type: FNPT; Includes Locking Arm: No; Body Material: 316 Stainless Steel; Brand: DIXON VALVE & COUPLING.
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Cam and Groove Coupling: 3 in Coupling Size, 2 in -11-1/2 Thread Size, 3 5/8 in Overall Lg, FNPT (MPN 3020-D-SS). Key specifications — Thread Size: 2 in -11-1/2; Gasket Material: Nitrile; Fitting Type: FNPT; Includes Locking Arm: No; Body Material: 316 Stainless Steel; Brand: DIXON VALVE & COUPLING.
Cam and Groove Coupling: 3 in Coupling Size, 3 in -8 Thread Size, 3 13/16 in Overall Lg, FNPT (MPN RD300EZHD). Key specifications — Thread Size: 3 in -8; Gasket Material: Nitrile; Fitting Type: FNPT; Includes Locking Arm: Yes; Body Material: 316 Stainless Steel; Brand: DIXON VALVE & COUPLING.
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Cam and Groove Coupling: 3 in Coupling Size, 3 in -8 Thread Size, 3 13/16 in Overall Lg, FNPT (MPN RD300EZHD). Key specifications — Thread Size: 3 in -8; Gasket Material: Nitrile; Fitting Type: FNPT; Includes Locking Arm: Yes; Body Material: 316 Stainless Steel; Brand: DIXON VALVE & COUPLING.
Cam and Groove Coupling: 1/2 in Coupling Size, 1/2 in -14 Thread Size, 1 13/16 in Overall Lg, FNPT (MPN G50-D-SS). Key specifications — Thread Size: 1/2 in -14; Gasket Material: Nitrile; Fitting Type: FNPT; Includes Locking Arm: Yes; Body Material: 316 Stainless Steel; Brand: DIXON VALVE & COUPLING.
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Cam and Groove Coupling: 1/2 in Coupling Size, 1/2 in -14 Thread Size, 1 13/16 in Overall Lg, FNPT (MPN G50-D-SS). Key specifications — Thread Size: 1/2 in -14; Gasket Material: Nitrile; Fitting Type: FNPT; Includes Locking Arm: Yes; Body Material: 316 Stainless Steel; Brand: DIXON VALVE & COUPLING.
Cam and Groove Coupling: 4 in Coupling Size, 3 in -8 Thread Size, 4 1/2 in Overall Lg, FNPT, Nitrile (MPN 4030-D-SS). Key specifications — Thread Size: 3 in -8; Gasket Material: Nitrile; Fitting Type: FNPT; Includes Locking Arm: No; Body Material: 316 Stainless Steel; Brand: DIXON VALVE & COUPLING.
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Cam and Groove Coupling: 4 in Coupling Size, 3 in -8 Thread Size, 4 1/2 in Overall Lg, FNPT, Nitrile (MPN 4030-D-SS). Key specifications — Thread Size: 3 in -8; Gasket Material: Nitrile; Fitting Type: FNPT; Includes Locking Arm: No; Body Material: 316 Stainless Steel; Brand: DIXON VALVE & COUPLING.
Cam and Groove Coupling: 1 1/2 in Coupling Size, 1 in -11-1/2 Thread Size, 3 1/32 in Overall Lg (MPN 1510-D-SS). Key specifications — Thread Size: 1 in -11-1/2; Gasket Material: Nitrile; Fitting Type: FNPT; Includes Locking Arm: No; Body Material: 316 Stainless Steel; Brand: DIXON VALVE & COUPLING.
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Cam and Groove Coupling: 6 in Coupling Size, 6 in -8 Thread Size, 5 21/32 in Overall Lg, FNPT (MPN RD600EZ). Key specifications — Thread Size: 6 in -8; Gasket Material: Nitrile; Fitting Type: FNPT; Includes Locking Arm: Yes; Body Material: 316 Stainless Steel; Brand: DIXON VALVE & COUPLING.
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Cam and Groove Coupling: 6 in Coupling Size, 6 in -8 Thread Size, 5 21/32 in Overall Lg, FNPT (MPN RD600EZ). Key specifications — Thread Size: 6 in -8; Gasket Material: Nitrile; Fitting Type: FNPT; Includes Locking Arm: Yes; Body Material: 316 Stainless Steel; Brand: DIXON VALVE & COUPLING.