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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 | Shape | Technology | Division | Brand | Division | Application | Configuration | Minimum Operating Temperature | For Fluid Type | Maximum Operating Temperature | Industry | Operating Pressure | Length | Options | Materials of Construction | Specifications Met | Tube Outside Diameter |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4SC4-316-NC | Backordered | POR | Straight | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Sensing Lines | Tube to Tube (Union) | -255 °C | Corrosive | 649 °C | Microelectronics | 4000 to 10300 psi | 1.62 inch | N/A | Stainless Steel AISI 316 | NACE | 1/4" (O.D.) | |
| 4SC4-6MO | Backordered | POR | Union | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Offshore Control Panels | Tube to Tube (Union) | -198 °C | Corrosive | 371 °C | Oil & Gas | 4000 to 10300 psi | 1.62 inch | N/A | 6Mo | N/A | 1/4" (O.D.) | |
| 4SC4-6MONC | Backordered | POR | Union | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Research Labs | Tube to Tube (Union) | -198 °C | Fuels | 371 °C | Chemical | 4000 to 10300 psi | 1.62 inch | N/A | 6Mo | NACE | 1/4" (O.D.) | |
| 4SC4-6MO-NC-NSK | Backordered | POR | Union | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Research Labs | Tube to Tube (Union) | -198 °C | Corrosive | 371 °C | Microelectronics | 4000 to 10300 psi | 1.62 inch | N/A | 6Mo | NACE | 1/4" (O.D.) | |
| 4SC4-6MO-NSK | Backordered | POR | Union | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | CNG / LNG Lines | Tube to Tube (Union) | -198 °C | Gases | 371 °C | Semiconductor | 4000 to 10300 psi | 1.62 inch | N/A | 6Mo | NORSOK M650 | 1/4" (O.D.) | |
| 4SC4-825 | Backordered | POR | Straight | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Analytical Installations | Tube to Tube (Union) | -198 °C | Gases | 426 °C | Semiconductor | 4000 to 10300 psi | 1.62 inch | N/A | Alloy 825 | N/A | 1/4" (O.D.) | |
| 4SC4-825YC | Backordered | POR | Straight | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Research Labs | Tube to Tube (Union) | -198 °C | Liquid | 426 °C | Petrochemical | 4000 to 10300 psi | 1.62 inch | Yellow Cap | Alloy 825 | N/A | 1/4" (O.D.) | |
| 4SC4-IIY | Backordered | POR | Straight | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Instrumentation | Tube to Tube (Union) | -198 °C | Natural Gas (CNG) | 649 °C | Nuclear | 4000 to 10300 psi | 1.62 inch | N/A | Alloy 625 | N/A | 1/4" (O.D.) | |
| 4SC4-IIYNC | Backordered | POR | Straight | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Instrumentation | Tube to Tube (Union) | -198 °C | Liquid | 649 °C | Petrochemical | 4000 to 10300 psi | 1.62 inch | N/A | Alloy 625 | NACE | 1/4" (O.D.) | |
| 4SC4-M | Backordered | POR | Union | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Hydrogen Service | Tube to Tube (Union) | -198 °C | Gases | 425 °C | Semiconductor | 4000 to 10300 psi | 1.62 inch | N/A | Monel 400 | N/A | 1/4" (O.D.) | |
| 4SC4-NNR | Backordered | POR | Straight | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Hydrogen Service | Tube to Tube (Union) | -198 °C | Liquid | 535 °C | Transportation | 4000 to 10300 psi | 1.62 inch | N/A | Alloy C-276 | N/A | 1/4" (O.D.) | |
| 4SC4-S | Backordered | $9.90 | Union | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Sensing Lines | Tube to Tube | - | Fuels | - | Nuclear | 4000 to 10300 psi | 1.62 inch | N/A | Steel | N/A | 1/4" (O.D.) | |
| 4SC4-TTZ | Backordered | POR | Union | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Research Labs | Tube to Tube (Union) | -59 °C | Fuels | 315 °C | Nuclear | 4000 to 10300 psi | 1.62 inch | N/A | Titanium | N/A | 1/4" (O.D.) | |
| 5SC5-316 | Backordered | $21.20 | Straight | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Offshore Control Panels | Tube to Tube (Union) | -255 °C | Steam | 649 °C | Transportation | 4100 to 8100 psi | 1.70 inch | N/A | Stainless Steel AISI 316 | N/A | 5/16" (O.D.) | |
| 5SC5-316-NC | Backordered | POR | Union | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Offshore Control Panels | Tube to Tube (Union) | -255 °C | Corrosive | 649 °C | Semiconductor | 4100 to 8100 psi | 1.70 inch | N/A | Stainless Steel AISI 316 | NACE | 5/16" (O.D.) | |
| 5SC5-6MO | Backordered | POR | Straight | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Offshore Control Panels | Tube to Tube (Union) | -198 °C | Petroleum Oil | 371 °C | Semiconductor | 4100 to 8100 psi | 1.70 inch | N/A | 6Mo | N/A | 5/16" (O.D.) | |
| 6SC6-316 | 584 in stock | $25.25 | Straight | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Analytical Installations | Tube to Tube (Union) | -255 °C | Fuels | 649 °C | Nuclear | 3300 to 6600 psi | 1.77 inch | N/A | Stainless Steel AISI 316 | N/A | 3/8" (O.D.) | |
| 6SC6-316L | Backordered | POR | Straight | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Instrumentation | Tube to Tube (Union) | - | Gases | - | Semiconductor | 3300 to 6600 psi | 1.77 inch | N/A | Stainless Steel AISI 316L | N/A | 3/8" (O.D.) | |
| 6SC6-316L-2.5MO | Backordered | POR | Union | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Instrumentation | Tube to Tube (Union) | - | Liquid | - | Petrochemical | 3300 to 6600 psi | 1.77 inch | 2.5% Molybdenum Content | Stainless Steel AISI 316L | N/A | 3/8" (O.D.) | |
| 6SC6-316-NC | Backordered | POR | Union | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Offshore Control Panels | Tube to Tube (Union) | -255 °C | Natural Gas (CNG) | 649 °C | Petrochemical | 3300 to 6600 psi | 1.77 inch | N/A | Stainless Steel AISI 316 | NACE | 3/8" (O.D.) |
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