Dixon Internally Expanded Permanent Couplings - Scovill Style

Description:

Male NPT - Male NST - Female NPSH - Female NST - Vic Groove

Coupling Category

Holedall Fittings

Manufacturer

Dixon Holedall Fittings

Safety Alert - Hose, Couplings, and Hose Assemblies  Do not interchange with other manufacturer’s fittings. Safety Alert - Hose, Couplings, and Hose Assemblies 


Brass internally expanded permanent couplings are recommended for discharge and suction service. Commonly used in the transfer of fuel to homes, airplanes, ships, etc. The working pressure of the 520-H fitting varies with the size of the fitting, the size and construction of the hose and the media being conveyed. Consult the factory for recommendations. Dixon Holedall stems and ferrules are specifically designed to be used together as a coupling system.

Both the male and female have octagonal facets for tightening with a wrench. The female in 1-1/2" and larger sizes has lugs for tightening. The stem is expanded to nominal ID of hose for a rigid, uniform, full-flow area.

  • Male and female stems are machined from bar stock or solid brass forgings; ferrules are available in brass and stainless steel.
  • Couplings are compact, light and streamlined to eliminate catching on curbs and shrubs.
  • The H520 fittings are designed for internal expansion only.
  • Couplings are pre-lubricated for assembly.
  • Hand and electrically operated installation equipment is available. Consult JGB for pricing and availability.
Hose ID male NPT male NST female NPSH female NST Vic groove
Brass Brass Brass Brass Brass
Part # Part # Part # Part # Part #
3/4" H5192 --- H5191-BU --- ---
1" H5212-A H5212NST H5211-A-BU H5211NST G5212
1-1/4" H5222-A --- H5221-A-BU --- ---
1-3/8" H5272 1 --- H5271-BU 1 --- ---
1-1/2" H5232-A H5232NST H5231-A-BU H5231NST 2 G5232
2" H5242 --- H5241-BU --- G5242
2-1/2" H5252 --- H5251 3 --- ---
3" H5262 --- H5261 3 --- ---
1 1-3/8" stem has 1-1/2" thread
2 1-1/2" NST requires special adapter, part # H5231NSTADT
3 2-1/2" and 3" parts have female NPSM thread

Note: The fittings on this page are intended for
fuel delivery service.

Dixon Internally Expanded Permanent Couplings - Scovill Style
   WARNING: Cancer and
   Reproductive Harm -
   www.P65Warnings.ca.gov

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