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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 | Industry | Product Style | Operating Pressure | Technology | Division | Maximum Operating Temperature | Application | Minimum Operating Temperature | Shape | Configuration | Length | Brand | Division | For Fluid Type | Options | Connection 1 Tube Outside Diameter | Connection 2 Tube Outside Diameter | Materials of Construction |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M25RUM12-6MO-NSK | Quote Required | TBD | Power Generation | Reducing Union | n/a | Process Control | Instrumentation Products Division | 371 °C | Research Labs | -198 °C | Straight | Tube to Tube (Union) | - | A-LOK | Instrumentation Products Division | Fuels | NORSOK M650 | 25 mm (O.D.) | 12 mm (O.D.) | 6Mo | ||
| M25RUM16-316 | Quote Required | TBD | Semiconductor | Reducing Union | n/a | Process Control | Instrumentation Products Division | 649 °C | Hydrogen Service | -255 °C | Straight | Tube to Tube (Union) | - | A-LOK | Instrumentation Products Division | Oil | n/a | 25 mm (O.D.) | 16 mm (O.D.) | Stainless Steel AISI 316 | ||
| M25RUM18-316 | Quote Required | TBD | Power Generation | Reducing Union | n/a | Process Control | Instrumentation Products Division | 649 °C | Hydrogen Service | -255 °C | Straight | Tube to Tube (Union) | 60.5 mm | A-LOK | Instrumentation Products Division | Fuels | n/a | 25 mm (O.D.) | 18 mm (O.D.) | Stainless Steel AISI 316 | ||
| M25RUM18-625 | Quote Required | TBD | Semiconductor | Reducing Union | n/a | Process Control | Instrumentation Products Division | 649 | Instrumentation | -198 | Straight | Tube to Tube (Union) | 60.5 | A-LOK | Instrumentation Products Division | Gases | n/a | 25 mm (O.D.) | 18 mm (O.D.) | Alloy 625 | ||
| M25RUM18-6MO | Quote Required | TBD | Petrochemical | Reducing Union | n/a | Process Control | Instrumentation Products Division | 371 °C | Offshore Control Panels | -198 °C | Straight | Tube to Tube (Union) | 60.5 mm | A-LOK | Instrumentation Products Division | Corrosive | n/a | 25 mm (O.D.) | 18 mm (O.D.) | 6Mo | ||
| M25RUM18-6MO-NC | Quote Required | TBD | Semiconductor | Reducing Union | n/a | Process Control | Instrumentation Products Division | 371 | Instrumentation | -198 | Straight | Tube to Tube (Union) | 60.5 | A-LOK | Instrumentation Products Division | Gases | NACE | 25 mm (O.D.) | 18 mm (O.D.) | 6Mo | ||
| M25RUM18-6MO-NSK | Quote Required | TBD | Transportation | Reducing Union | n/a | Process Control | Instrumentation Products Division | 371 °C | Offshore Control Panels | -198 °C | Straight | Tube to Tube (Union) | 60.5 mm | A-LOK | Instrumentation Products Division | Gases | NORSOK M650 | 25 mm (O.D.) | 18 mm (O.D.) | 6Mo | ||
| M25RUM18-825 | Quote Required | TBD | Semiconductor | Reducing Union | n/a | Process Control | Instrumentation Products Division | 426 | Instrumentation | -198 | Straight | Tube to Tube (Union) | 60.5 | A-LOK | Instrumentation Products Division | Gases | n/a | 25 mm (O.D.) | 18 mm (O.D.) | Alloy 825 | ||
| M25RUM18-B | Quote Required | TBD | Semiconductor | Reducing Union | n/a | Process Control | Instrumentation Products Division | - | Instrumentation | - | Straight | Tube to Tube (Union) | 60.5 | A-LOK | Instrumentation Products Division | Gases | n/a | 25 mm (O.D.) | 18 mm (O.D.) | Brass | ||
| M25RUM18-M | Quote Required | TBD | Semiconductor | Reducing Union | n/a | Process Control | Instrumentation Products Division | 425 | Instrumentation | -198 | Straight | Tube to Tube (Union) | 60.5 | A-LOK | Instrumentation Products Division | Gases | n/a | 25 mm (O.D.) | 18 mm (O.D.) | Monel 400 | ||
| M25RUM18-NNR | Quote Required | TBD | Semiconductor | Reducing Union | n/a | Process Control | Instrumentation Products Division | 535 | Instrumentation | -198 | Straight | Tube to Tube (Union) | 60.5 | A-LOK | Instrumentation Products Division | Gases | n/a | 25 mm (O.D.) | 18 mm (O.D.) | Alloy C-276 | ||
| M25RUM18-S | Quote Required | TBD | Semiconductor | Reducing Union | n/a | Process Control | Instrumentation Products Division | - | Instrumentation | - | Straight | Tube to Tube (Union) | 60.5 | A-LOK | Instrumentation Products Division | Gases | n/a | 25 mm (O.D.) | 18 mm (O.D.) | Steel | ||
| M25RUM18-T | Quote Required | TBD | Semiconductor | Reducing Union | n/a | Process Control | Instrumentation Products Division | 315 | Instrumentation | -59 | Straight | Tube to Tube (Union) | 60.5 | A-LOK | Instrumentation Products Division | Gases | n/a | 25 mm (O.D.) | 18 mm (O.D.) | Titanium | ||
| M25RUM20-316 | Quote Required | TBD | Power Generation | Reducing Union | n/a | Process Control | Instrumentation Products Division | 649 °C | Analytical Installations | -255 °C | Straight | Tube to Tube (Union) | 62.3 mm | A-LOK | Instrumentation Products Division | Fuels | n/a | 25 mm (O.D.) | 20 mm (O.D.) | Stainless Steel AISI 316 | ||
| M25RUM20-625 | Quote Required | TBD | Semiconductor | Reducing Union | n/a | Process Control | Instrumentation Products Division | 649 | Instrumentation | -198 | Straight | Tube to Tube (Union) | 62.3 | A-LOK | Instrumentation Products Division | Gases | n/a | 25 mm (O.D.) | 20 mm (O.D.) | Alloy 625 | ||
| M25RUM20-6MO | Quote Required | TBD | Transportation | Reducing Union | n/a | Process Control | Instrumentation Products Division | 371 °C | Offshore Control Panels | -198 °C | Straight | Tube to Tube (Union) | 62.3 mm | A-LOK | Instrumentation Products Division | Gases | n/a | 25 mm (O.D.) | 20 mm (O.D.) | 6Mo | ||
| M25RUM20-6MO-NC | Quote Required | TBD | Semiconductor | Reducing Union | n/a | Process Control | Instrumentation Products Division | 371 | Instrumentation | -198 | Straight | Tube to Tube (Union) | 62.3 | A-LOK | Instrumentation Products Division | Gases | NACE | 25 mm (O.D.) | 20 mm (O.D.) | 6Mo | ||
| M25RUM20-6MO-NSK | Quote Required | TBD | Nuclear | Reducing Union | n/a | Process Control | Instrumentation Products Division | 371 °C | CNG / LNG Lines | -198 °C | Straight | Tube to Tube (Union) | 62.3 mm | A-LOK | Instrumentation Products Division | Liquid | NORSOK M650 | 25 mm (O.D.) | 20 mm (O.D.) | 6Mo | ||
| M25RUM20-825 | Quote Required | TBD | Semiconductor | Reducing Union | n/a | Process Control | Instrumentation Products Division | 426 | Instrumentation | -198 | Straight | Tube to Tube (Union) | 62.3 | A-LOK | Instrumentation Products Division | Gases | n/a | 25 mm (O.D.) | 20 mm (O.D.) | Alloy 825 | ||
| M25RUM20-B | Quote Required | TBD | Semiconductor | Reducing Union | n/a | Process Control | Instrumentation Products Division | - | Instrumentation | - | Straight | Tube to Tube (Union) | 62.3 | A-LOK | Instrumentation Products Division | Gases | n/a | 25 mm (O.D.) | 20 mm (O.D.) | Brass |