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Parker Tube Fitting, 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® 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®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 1/16” through to 2” O.D., and for metric sizes from 2 mm through to 32 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®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 1/16” through to 2” O.D., and for metric sizes from 2 mm through to 32 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 | Division | Length | Minimum Operating Temperature | For Fluid Type | Industry | Brand | Operating Pressure | Technology | Division | Application | Configuration | Maximum Operating Temperature | Shape | Tube Outside Diameter | Options | Materials of Construction | Specifications Met |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SCM20-B | Backordered | POR | Instrumentation Products Division | 55 mm | - | Gases | Chemical | A-LOK | 150 to 380 bar | Process Control | Instrumentation Products Division | CNG / LNG Lines | Tube to Tube (Union) | - | Straight | 20 mm (O.D.) | N/A | Brass | N/A | |
| SCM20-MMX | Backordered | POR | Instrumentation Products Division | 55 mm | -198 °C | Petroleum Oil | Semiconductor | A-LOK | 150 to 380 bar | Process Control | Instrumentation Products Division | Research Labs | Tube to Tube (Union) | 425 °C | Straight | 20 mm (O.D.) | Supercased 825 Back Ferrule | Monel 400 | N/A | |
| SCM20-TTZ | Backordered | POR | Instrumentation Products Division | 55 mm | -59 °C | Oil | Power Generation | A-LOK | 150 to 380 bar | Process Control | Instrumentation Products Division | Research Labs | Tube to Tube (Union) | 315 °C | Union | 20 mm (O.D.) | N/A | Titanium | N/A | |
| SCM22-316 | Backordered | POR | Instrumentation Products Division | 55 mm | -255 °C | Natural Gas (CNG) | Microelectronics | A-LOK | 140 to 340 bar | Process Control | Instrumentation Products Division | Instrumentation | Tube to Tube (Union) | 649 °C | Union | 22 mm (O.D.) | N/A | Stainless Steel AISI 316 | N/A | |
| SCM22-6MO | Backordered | POR | Instrumentation Products Division | 55 mm | -198 °C | Steam | Microelectronics | A-LOK | 140 to 340 bar | Process Control | Instrumentation Products Division | Offshore Control Panels | Tube to Tube (Union) | 371 °C | Union | 22 mm (O.D.) | N/A | 6Mo | N/A | |
| SCM22-6MO-NC-NSK | Backordered | POR | Instrumentation Products Division | 55 mm | -198 °C | Steam | Microelectronics | A-LOK | 140 to 340 bar | Process Control | Instrumentation Products Division | Hydrogen Service | Tube to Tube (Union) | 371 °C | Union | 22 mm (O.D.) | N/A | 6Mo | NACE | |
| SCM22-6MO-NSK | Backordered | POR | Instrumentation Products Division | 55 mm | -198 °C | Fuels | Semiconductor | A-LOK | 140 to 340 bar | Process Control | Instrumentation Products Division | Instrumentation | Tube to Tube (Union) | 371 °C | Union | 22 mm (O.D.) | N/A | 6Mo | NORSOK M650 | |
| SCM22-B | Backordered | POR | Instrumentation Products Division | 55 mm | - | Hydrogen | Transportation | A-LOK | 140 to 340 bar | Process Control | Instrumentation Products Division | Research Labs | Tube to Tube (Union) | - | Straight | 22 mm (O.D.) | N/A | Brass | N/A | |
| SCM2-316 | Backordered | POR | Instrumentation Products Division | 35.6 mm | -255 °C | Liquid | Chemical | A-LOK | 5600 to 16800 psi | Process Control | Instrumentation Products Division | Research Labs | Tube to Tube (Union) | 649 °C | Union | 2 mm (O.D.) | N/A | Stainless Steel AISI 316 | N/A | |
| SCM25-316 | Backordered | $104.99 | Instrumentation Products Division | 65.1 mm | -255 °C | Oil | Power Generation | A-LOK | 180 to 320 bar | Process Control | Instrumentation Products Division | Instrumentation | Tube to Tube (Union) | 649 °C | Union | 25 mm (O.D.) | N/A | Stainless Steel AISI 316 | N/A | |
| SCM25-6MO | Backordered | POR | Instrumentation Products Division | 65.1 mm | -198 °C | Oil | Power Generation | A-LOK | 180 to 320 bar | Process Control | Instrumentation Products Division | Analytical Installations | Tube to Tube (Union) | 371 °C | Union | 25 mm (O.D.) | N/A | 6Mo | N/A | |
| SCM25-6MO-NC | Backordered | POR | Instrumentation Products Division | 65.1 mm | -198 °C | Petroleum Oil | Nuclear | A-LOK | 180 to 320 bar | Process Control | Instrumentation Products Division | Research Labs | Tube to Tube (Union) | 371 °C | Straight | 25 mm (O.D.) | N/A | 6Mo | NACE | |
| SCM25-6MO-NC-NSK | Backordered | POR | Instrumentation Products Division | 65.1 mm | -198 °C | Oil | Chemical | A-LOK | 180 to 320 bar | Process Control | Instrumentation Products Division | Research Labs | Tube to Tube (Union) | 371 °C | Straight | 25 mm (O.D.) | N/A | 6Mo | NACE | |
| SCM25-6MO-NSK | Backordered | POR | Instrumentation Products Division | 65.1 mm | -198 °C | Steam | Microelectronics | A-LOK | 180 to 320 bar | Process Control | Instrumentation Products Division | Hydrogen Service | Tube to Tube (Union) | 371 °C | Union | 25 mm (O.D.) | N/A | 6Mo | NORSOK M650 | |
| SCM25-825 | Backordered | POR | Instrumentation Products Division | 65.1 mm | -198 °C | Liquid | Chemical | A-LOK | 180 to 320 bar | Process Control | Instrumentation Products Division | Research Labs | Tube to Tube (Union) | 426 °C | Union | 25 mm (O.D.) | N/A | Alloy 825 | N/A | |
| SCM25-B | Backordered | POR | Instrumentation Products Division | 65.1 mm | - | Gases | Chemical | A-LOK | 180 to 320 bar | Process Control | Instrumentation Products Division | Research Labs | Tube to Tube (Union) | - | Straight | 25 mm (O.D.) | N/A | Brass | N/A | |
| SCM25-IIY | Backordered | POR | Instrumentation Products Division | 65.1 mm | -198 °C | Steam | Semiconductor | A-LOK | 180 to 320 bar | Process Control | Instrumentation Products Division | Research Labs | Tube to Tube (Union) | 649 °C | Straight | 25 mm (O.D.) | N/A | Alloy 625 | N/A | |
| SCM25-MMX | Backordered | POR | Instrumentation Products Division | 65.1 mm | -198 °C | Gases | Semiconductor | A-LOK | 180 to 320 bar | Process Control | Instrumentation Products Division | Sensing Lines | Tube to Tube (Union) | 425 °C | Union | 25 mm (O.D.) | Supercased 825 Back Ferrule | Monel 400 | N/A | |
| SCM25-TTZ | Backordered | POR | Instrumentation Products Division | 65.1 mm | -59 °C | Hydrogen | Transportation | A-LOK | 180 to 320 bar | Process Control | Instrumentation Products Division | Analytical Installations | Tube to Tube (Union) | 315 °C | Straight | 25 mm (O.D.) | N/A | Titanium | N/A | |
| SCM28-316 | Backordered | POR | Instrumentation Products Division | 85 mm | -255 °C | Hydrogen | Oil & Gas | A-LOK | 2600 to 4700 psi | Process Control | Instrumentation Products Division | Offshore Control Panels | Tube to Tube (Union) | 649 °C | Union | 28 mm (O.D.) | N/A | Stainless Steel AISI 316 | N/A |
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