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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...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
| Action | Part No. | Availability | Partner Available | Price | Shape | Industry | For Fluid Type | Operating Pressure | Technology | Maximum Operating Temperature | Division | Brand | Division | Configuration | Application | Minimum Operating Temperature | Product Style | Length | Connection 2 Tube Outside Diameter | Connection 1 Tube Outside Diameter | Options | Materials of Construction |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3RU2-M | Quote Required | TBD | Straight | Semiconductor | Gases | n/a | Process Control | 425 | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Analytical Installations | -198 | Reducing Union | 1.44 | 1/8" (O.D.) | 3/16" (O.D.) | n/a | Monel 400 | ||
| 3RU2-NNR | Quote Required | TBD | Straight | Semiconductor | Gases | n/a | Process Control | 535 | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Analytical Installations | -198 | Reducing Union | 1.44 | 1/8" (O.D.) | 3/16" (O.D.) | n/a | Alloy C-276 | ||
| 3RU2-S | Quote Required | TBD | Straight | Semiconductor | Gases | n/a | Process Control | - | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Analytical Installations | - | Reducing Union | 1.44 | 1/8" (O.D.) | 3/16" (O.D.) | n/a | Steel | ||
| 3RU2-T | Quote Required | TBD | Straight | Semiconductor | Gases | n/a | Process Control | 315 | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Analytical Installations | -59 | Reducing Union | 1.44 | 1/8" (O.D.) | 3/16" (O.D.) | n/a | Titanium | ||
| 4RU1-316 | Quote Required | TBD | Straight | Nuclear | Fuels | n/a | Process Control | 649 °C | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | CNG / LNG Lines | -255 °C | Reducing Union | 1.38 inch | 1/16" (O.D.) | 1/4" (O.D.) | n/a | Stainless Steel AISI 316 | ||
| 4RU1-625 | Quote Required | TBD | Straight | Semiconductor | Gases | n/a | Process Control | 649 | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Analytical Installations | -198 | Reducing Union | 1.38 | 1/16" (O.D.) | 1/4" (O.D.) | n/a | Alloy 625 | ||
| 4RU1-6MO | Quote Required | TBD | Straight | Power Generation | Natural Gas (CNG) | n/a | Process Control | 371 °C | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Hydrogen Service | -198 °C | Reducing Union | 1.38 inch | 1/16" (O.D.) | 1/4" (O.D.) | n/a | 6Mo | ||
| 4RU1-6MO-NC | Quote Required | TBD | Straight | Nuclear | Natural Gas (CNG) | n/a | Process Control | 371 °C | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Hydrogen Service | -198 °C | Reducing Union | 1.38 inch | 1/16" (O.D.) | 1/4" (O.D.) | NACE | 6Mo | ||
| 4RU1-6MO-NSK | Quote Required | TBD | Straight | Semiconductor | Gases | n/a | Process Control | 371 | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Analytical Installations | -198 | Reducing Union | 1.38 | 1/16" (O.D.) | 1/4" (O.D.) | NORSOK M650 | 6Mo | ||
| 4RU1-825 | Quote Required | TBD | Straight | Semiconductor | Gases | n/a | Process Control | 426 | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Offshore Control Panels | -198 | Reducing Union | 1.38 | 1/16" (O.D.) | 1/4" (O.D.) | n/a | Alloy 825 | ||
| 4RU1-B | Quote Required | TBD | Straight | Semiconductor | Gases | n/a | Process Control | - | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Analytical Installations | - | Reducing Union | 1.38 | 1/16" (O.D.) | 1/4" (O.D.) | n/a | Brass | ||
| 4RU1-M | Quote Required | TBD | Straight | Semiconductor | Gases | n/a | Process Control | 425 | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Analytical Installations | -198 | Reducing Union | 1.38 | 1/16" (O.D.) | 1/4" (O.D.) | n/a | Monel 400 | ||
| 4RU1-NNR | Quote Required | TBD | Straight | Semiconductor | Gases | n/a | Process Control | 535 | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Analytical Installations | -198 | Reducing Union | 1.38 | 1/16" (O.D.) | 1/4" (O.D.) | n/a | Alloy C-276 | ||
| 4RU1-S | Quote Required | TBD | Straight | Semiconductor | Gases | n/a | Process Control | - | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Analytical Installations | - | Reducing Union | 1.38 | 1/16" (O.D.) | 1/4" (O.D.) | n/a | Steel | ||
| 4RU1-T | Quote Required | TBD | Straight | Semiconductor | Gases | n/a | Process Control | 315 | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Analytical Installations | -59 | Reducing Union | 1.38 | 1/16" (O.D.) | 1/4" (O.D.) | n/a | Titanium | ||
| 4RU2-316 | Quote Required | TBD | Straight | Power Generation | Hydrogen | n/a | Process Control | 649 °C | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Offshore Control Panels | -255 °C | Reducing Union | 1.52 inch | 1/8" (O.D.) | 1/4" (O.D.) | n/a | Stainless Steel AISI 316 | ||
| 4RU2-625 | Quote Required | TBD | Straight | Semiconductor | Gases | n/a | Process Control | 649 | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Analytical Installations | -198 | Reducing Union | 1.52 | 1/8" (O.D.) | 1/4" (O.D.) | n/a | Alloy 625 | ||
| 4RU2-6MO | Quote Required | TBD | Straight | Microelectronics | Corrosive | n/a | Process Control | 371 °C | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Instrumentation | -198 °C | Reducing Union | 1.52 inch | 1/8" (O.D.) | 1/4" (O.D.) | n/a | 6Mo | ||
| 4RU2-6MO-NC | Quote Required | TBD | Straight | Semiconductor | Gases | n/a | Process Control | 371 | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Analytical Installations | -198 | Reducing Union | 1.52 | 1/8" (O.D.) | 1/4" (O.D.) | NACE | 6Mo | ||
| 4RU2-6MO-NSK | Quote Required | TBD | Straight | Semiconductor | Corrosive | n/a | Process Control | 371 °C | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Research Labs | -198 °C | Reducing Union | 1.52 inch | 1/8" (O.D.) | 1/4" (O.D.) | NORSOK M650 | 6Mo |