• Availability & Price
  • Search SKU
Filter by attributes
  • Connection 1 Tube Outside Diameter
  • Connection 2 Tube Outside Diameter
  • Materials of Construction
  • Options
More Filters...
Filter by manufacturer
Manufacturers

Parker Tube Fitting, Reducing Union - A-LOK Series

Picture for category Parker Tube Fitting, Reducing Union - A-LOK Series

*PRODUCT IMAGE IS REPRESENTATIVE PROVIDED BY THE MANUFACTURER. DO NOT MAKE BUYING DECISIONS SOLEY BASED ON THE IMAGE. PLEASE VERIFY SPECIFICATIONS MEET YOUR REQUIREMENTS.

Parker's two ferrule compression fittings, A-LOK® Reducing Union Tube Fittings are designed to provide reliable leak-free connections for instrumentation, process and control, and analyzer applications that specify a two ferrule tube fitting connection. Manufactured to the highest quality standards these tube fittings are available in a broad range of sizes, corrosion resistant materials and configurations.

As standard, Parker’s A-LOK® Reducing Union Tube Fittings are manufactured from heat code traceable 316 stainless steel. Other materials include 6Mo, Alloy 825, Alloy 625 and Alloy C-276.

The fittings are available for fractional pipe sizes from 1/8” through to 1” O.D., and for metric sizes from 3 mm through to 25 mm O.D.

Markets:
• Semiconductor/Microelectronics
• Chemical
• Petro-Chemical
• Transportation
• Power
• Nuclear
• Oil and Gas
• Research Labs

Features/Benefits:
• Wide range of Corrosion Resistant Alloys available
• EC79 Approved for Hydrogen Service
• Parker Suparcase™ surface treatment process for superior material hardening
• Hardened ferrules provide leak free connections
• Silver plated nuts provide gall resistance during makeup

Applications:
• Instrumentation Hook-up Systems
• Analytical Installations
• CNG / LNG Lines
• Hydrogen Service
• Offshore Control Panels
• Sensing Lines
Read More...
View as Grid List
Sort by
Display per page
ActionPart No.AvailabilityPartner AvailablePriceUOMShapeFor Fluid TypeOperating PressureTechnologyDivisionBrandDivisionConfigurationApplicationIndustryMaximum Operating TemperatureMinimum Operating TemperatureProduct StyleLengthConnection 1 Tube Outside DiameterConnection 2 Tube Outside DiameterMaterials of ConstructionOptions
5RU2-6MO-NC
Quote Required
TBD
StraightGasesn/aProcess ControlInstrumentation Products DivisionA-LOKInstrumentation Products DivisionTube to Tube (Union)Analytical InstallationsMicroelectronics371-198Reducing Union1.585/16" (O.D.)1/8" (O.D.)6MoNACE
5RU2-6MO-NSK
Quote Required
TBD
StraightHydrogenn/aProcess ControlInstrumentation Products DivisionA-LOKInstrumentation Products DivisionTube to Tube (Union)Analytical InstallationsSemiconductor371-198Reducing Union1.585/16" (O.D.)1/8" (O.D.)6MoNORSOK M650
5RU2-825
Quote Required
TBD
StraightGasesn/aProcess ControlInstrumentation Products DivisionA-LOKInstrumentation Products DivisionTube to Tube (Union)Analytical InstallationsSemiconductor426-198Reducing Union1.585/16" (O.D.)1/8" (O.D.)Alloy 825n/a
5RU2-B
Quote Required
TBD
StraightGasesn/aProcess ControlInstrumentation Products DivisionA-LOKInstrumentation Products DivisionTube to Tube (Union)Analytical InstallationsSemiconductor--Reducing Union1.585/16" (O.D.)1/8" (O.D.)Brassn/a
5RU2-M
Quote Required
TBD
StraightGasesn/aProcess ControlInstrumentation Products DivisionA-LOKInstrumentation Products DivisionTube to Tube (Union)Hydrogen ServiceSemiconductor425-198Reducing Union1.585/16" (O.D.)1/8" (O.D.)Monel 400n/a
5RU2-NNR
Quote Required
TBD
StraightGasesn/aProcess ControlInstrumentation Products DivisionA-LOKInstrumentation Products DivisionTube to Tube (Union)Analytical InstallationsSemiconductor535-198Reducing Union1.585/16" (O.D.)1/8" (O.D.)Alloy C-276n/a
5RU2-S
Quote Required
TBD
StraightGasesn/aProcess ControlInstrumentation Products DivisionA-LOKInstrumentation Products DivisionTube to Tube (Union)Analytical InstallationsSemiconductor--Reducing Union1.585/16" (O.D.)1/8" (O.D.)Steeln/a
5RU2-T
Quote Required
TBD
StraightGasesn/aProcess ControlInstrumentation Products DivisionA-LOKInstrumentation Products DivisionTube to Tube (Union)Analytical InstallationsSemiconductor315-59Reducing Union1.585/16" (O.D.)1/8" (O.D.)Titaniumn/a
5RU4-316
Quote Required
TBD
StraightGasesn/aProcess ControlInstrumentation Products DivisionA-LOKInstrumentation Products DivisionTube to Tube (Union)Offshore Control PanelsChemical649 °C-255 °CReducing Union1.67 inch5/16" (O.D.)1/4" (O.D.)Stainless Steel AISI 316n/a
5RU4-625
Quote Required
TBD
StraightGasesn/aProcess ControlInstrumentation Products DivisionA-LOKInstrumentation Products DivisionTube to Tube (Union)Analytical InstallationsSemiconductor649-198Reducing Union1.675/16" (O.D.)1/4" (O.D.)Alloy 625n/a
5RU4-6MO
Quote Required
TBD
StraightPetroleum Oiln/aProcess ControlInstrumentation Products DivisionA-LOKInstrumentation Products DivisionTube to Tube (Union)Hydrogen ServicePetrochemical371 °C-198 °CReducing Union1.67 inch5/16" (O.D.)1/4" (O.D.)6Mon/a
5RU4-6MO-NC
Quote Required
TBD
StraightGasesn/aProcess ControlInstrumentation Products DivisionA-LOKInstrumentation Products DivisionTube to Tube (Union)Analytical InstallationsSemiconductor371-198Reducing Union1.675/16" (O.D.)1/4" (O.D.)6MoNACE
5RU4-6MO-NSK
Quote Required
TBD
StraightGasesn/aProcess ControlInstrumentation Products DivisionA-LOKInstrumentation Products DivisionTube to Tube (Union)Analytical InstallationsSemiconductor371-198Reducing Union1.675/16" (O.D.)1/4" (O.D.)6MoNORSOK M650
5RU4-825
Quote Required
TBD
StraightGasesn/aProcess ControlInstrumentation Products DivisionA-LOKInstrumentation Products DivisionTube to Tube (Union)Analytical InstallationsOil & Gas426-198Reducing Union1.675/16" (O.D.)1/4" (O.D.)Alloy 825n/a
5RU4-B
Quote Required
$0.01
EAStraightCorrosiven/aProcess ControlInstrumentation Products DivisionA-LOKInstrumentation Products DivisionTube to Tube (Union)Sensing LinesResearch Labs--Reducing Union1.67 inch5/16" (O.D.)1/4" (O.D.)Brassn/a
5RU4-M
Quote Required
TBD
StraightGasesn/aProcess ControlInstrumentation Products DivisionA-LOKInstrumentation Products DivisionTube to Tube (Union)Analytical InstallationsSemiconductor425-198Reducing Union1.675/16" (O.D.)1/4" (O.D.)Monel 400n/a
5RU4-NNR
Quote Required
TBD
StraightGasesn/aProcess ControlInstrumentation Products DivisionA-LOKInstrumentation Products DivisionTube to Tube (Union)Analytical InstallationsSemiconductor535-198Reducing Union1.675/16" (O.D.)1/4" (O.D.)Alloy C-276n/a
5RU4-S
Quote Required
TBD
StraightGasesn/aProcess ControlInstrumentation Products DivisionA-LOKInstrumentation Products DivisionTube to Tube (Union)Analytical InstallationsPower Generation--Reducing Union1.675/16" (O.D.)1/4" (O.D.)Steeln/a
5RU4-T
Quote Required
TBD
StraightGasesn/aProcess ControlInstrumentation Products DivisionA-LOKInstrumentation Products DivisionTube to Tube (Union)Hydrogen ServiceSemiconductor315-59Reducing Union1.675/16" (O.D.)1/4" (O.D.)Titaniumn/a
6RU1-316
Quote Required
TBD
StraightNatural Gas (CNG)n/aProcess ControlInstrumentation Products DivisionA-LOKInstrumentation Products DivisionTube to Tube (Union)Offshore Control PanelsOil & Gas649 °C-255 °CReducing Union1.44 inch3/8" (O.D.)1/16" (O.D.)Stainless Steel AISI 316n/a