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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 | SKU | Availability | Price | Operating Pressure | Length | Industry | Division | For Fluid Type | Division | Shape | Product Style | Technology | Maximum Operating Temperature | Brand | Minimum Operating Temperature | Application | Configuration | Options | Connection 1 Tube Outside Diameter | Materials of Construction | Connection 2 Tube Outside Diameter |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6RU4-316 | 29 in stock | $26.37 | n/a | 1.71 inch | Transportation | Instrumentation Products Division | Fuels | Instrumentation Products Division | Straight | Reducing Union | Process Control | 649 °C | A-LOK | -255 °C | CNG / LNG Lines | Tube to Tube (Union) | N/A | 3/8" (O.D.) | Stainless Steel AISI 316 | 1/4" (O.D.) | |
| 6RU4-316L | Backordered | POR | n/a | 1.71 inch | Petrochemical | Instrumentation Products Division | Liquid | Instrumentation Products Division | Straight | Reducing Union | Process Control | - | A-LOK | - | Hydrogen Service | Tube to Tube (Union) | N/A | 3/8" (O.D.) | Stainless Steel AISI 316L | 1/4" (O.D.) | |
| 6RU4-6MO | Backordered | POR | n/a | 1.71 inch | Petrochemical | Instrumentation Products Division | Liquid | Instrumentation Products Division | Straight | Reducing Union | Process Control | 371 °C | A-LOK | -198 °C | Offshore Control Panels | Tube to Tube (Union) | N/A | 3/8" (O.D.) | 6Mo | 1/4" (O.D.) | |
| 6RU4-6MO-NSK | Backordered | POR | n/a | 1.71 inch | Oil & Gas | Instrumentation Products Division | Natural Gas (CNG) | Instrumentation Products Division | Straight | Reducing Union | Process Control | 371 °C | A-LOK | -198 °C | Offshore Control Panels | Tube to Tube (Union) | NORSOK M650 | 3/8" (O.D.) | 6Mo | 1/4" (O.D.) | |
| 6RU4-825 | Backordered | POR | n/a | 1.71 inch | Semiconductor | Instrumentation Products Division | Fuels | Instrumentation Products Division | Straight | Reducing Union | Process Control | 426 °C | A-LOK | -198 °C | Offshore Control Panels | Tube to Tube (Union) | N/A | 3/8" (O.D.) | Alloy 825 | 1/4" (O.D.) | |
| 6RU4-B | 1 in stock | $11.52 | n/a | 1.71 inch | Power Generation | Instrumentation Products Division | Gases | Instrumentation Products Division | Straight | Reducing Union | Process Control | - | A-LOK | - | Sensing Lines | Tube to Tube (Union) | N/A | 3/8" (O.D.) | Brass | 1/4" (O.D.) | |
| 6RU4-IIY | Backordered | POR | n/a | 1.71 inch | Transportation | Instrumentation Products Division | Natural Gas (CNG) | Instrumentation Products Division | Straight | Reducing Union | Process Control | 649 °C | A-LOK | -198 °C | Instrumentation | Tube to Tube (Union) | N/A | 3/8" (O.D.) | Alloy 626 | 1/4" (O.D.) | |
| 6RU4-M | Backordered | POR | n/a | 1.71 inch | Nuclear | Instrumentation Products Division | Petroleum Oil | Instrumentation Products Division | Straight | Reducing Union | Process Control | 425 °C | A-LOK | -198 °C | Analytical Installations | Tube to Tube (Union) | N/A | 3/8" (O.D.) | Monel 400 | 1/4" (O.D.) | |
| 6RU5-316 | Backordered | $26.96 | n/a | 1.75 inch | Chemical | Instrumentation Products Division | Corrosive | Instrumentation Products Division | Straight | Reducing Union | Process Control | 649 °C | A-LOK | -255 °C | CNG / LNG Lines | Tube to Tube (Union) | N/A | 3/8" (O.D.) | Stainless Steel AISI 316 | 5/16" (O.D.) | |
| 6RU5-B | Backordered | POR | n/a | 1.75 inch | Power Generation | Instrumentation Products Division | Steam | Instrumentation Products Division | Straight | Reducing Union | Process Control | - | A-LOK | - | Hydrogen Service | Tube to Tube (Union) | N/A | 3/8" (O.D.) | Brass | 5/16" (O.D.) | |
| 8RU2-316 | Backordered | $49.19 | n/a | 1.75 inch | Microelectronics | Instrumentation Products Division | Corrosive | Instrumentation Products Division | Straight | Reducing Union | Process Control | 649 °C | A-LOK | -255 °C | Sensing Lines | Tube to Tube (Union) | N/A | 1/2" (O.D.) | Stainless Steel AISI 316 | 1/8" (O.D.) | |
| 8RU2-6MO | Backordered | POR | n/a | 1.75 inch | Oil & Gas | Instrumentation Products Division | Gases | Instrumentation Products Division | Straight | Reducing Union | Process Control | 371 °C | A-LOK | -198 °C | Analytical Installations | Tube to Tube (Union) | N/A | 1/2" (O.D.) | 6Mo | 1/8" (O.D.) | |
| 8RU2-6MO-NSK | Backordered | POR | n/a | 1.75 inch | Oil & Gas | Instrumentation Products Division | Fuels | Instrumentation Products Division | Straight | Reducing Union | Process Control | 371 °C | A-LOK | -198 °C | Research Labs | Tube to Tube (Union) | NORSOK M650 | 1/2" (O.D.) | 6Mo | 1/8" (O.D.) | |
| 8RU4-316 | 13 in stock | $40.64 | n/a | 1.85 inch | Nuclear | Instrumentation Products Division | Oil | Instrumentation Products Division | Straight | Reducing Union | Process Control | 649 °C | A-LOK | -255 °C | Research Labs | Tube to Tube (Union) | N/A | 1/2" (O.D.) | Stainless Steel AISI 316 | 1/4" (O.D.) | |
| 8RU4-316-OXY | Backordered | POR | n/a | 1.85 inch | Chemical | Instrumentation Products Division | Steam | Instrumentation Products Division | Straight | Reducing Union | Process Control | 649 °C | A-LOK | -255 °C | Sensing Lines | Tube to Tube (Union) | Oxygen Cleaning | 1/2" (O.D.) | Stainless Steel AISI 316 | 1/4" (O.D.) | |
| 8RU4-6MO | Backordered | POR | n/a | 1.85 inch | Nuclear | Instrumentation Products Division | Corrosive | Instrumentation Products Division | Straight | Reducing Union | Process Control | 371 °C | A-LOK | -198 °C | CNG / LNG Lines | Tube to Tube (Union) | N/A | 1/2" (O.D.) | 6Mo | 1/4" (O.D.) | |
| 8RU4-6MO-NSK | Backordered | POR | n/a | 1.85 inch | Power Generation | Instrumentation Products Division | Petroleum Oil | Instrumentation Products Division | Straight | Reducing Union | Process Control | 371 °C | A-LOK | -198 °C | Hydrogen Service | Tube to Tube (Union) | NORSOK M650 | 1/2" (O.D.) | 6Mo | 1/4" (O.D.) | |
| 8RU4-825 | Backordered | POR | n/a | 1.85 inch | Nuclear | Instrumentation Products Division | Oil | Instrumentation Products Division | Straight | Reducing Union | Process Control | 426 °C | A-LOK | -198 °C | Offshore Control Panels | Tube to Tube (Union) | N/A | 1/2" (O.D.) | Alloy 825 | 1/4" (O.D.) | |
| 8RU4-B | Backordered | $18.99 | n/a | 1.85 inch | Power Generation | Instrumentation Products Division | Petroleum Oil | Instrumentation Products Division | Straight | Reducing Union | Process Control | - | A-LOK | - | Offshore Control Panels | Tube to Tube (Union) | N/A | 1/2" (O.D.) | Brass | 1/4" (O.D.) | |
| 8RU4-IIY | Backordered | POR | n/a | 1.85 inch | Chemical | Instrumentation Products Division | Steam | Instrumentation Products Division | Straight | Reducing Union | Process Control | 649 °C | A-LOK | -198 °C | Instrumentation | Tube to Tube (Union) | N/A | 1/2" (O.D.) | Alloy 625 | 1/4" (O.D.) |
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