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Parker Tube Fitting, Bulkhead 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® Bulkhead 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® Bulkhead 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 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® Bulkhead 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 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 | UOM | Shape | Industry | For Fluid Type | Length | Technology | Division | Brand | Division | Configuration | Application | Maximum Operating Temperature | Minimum Operating Temperature | Product Style | Operating Pressure | Specifications Met | Options | Materials of Construction | Tube Outside Diameter |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4BC2-825 | Quote Required | TBD | Straight | Semiconductor | Gases | 2.18 | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Analytical Installations | 426 | -198 | Bulkhead Union | 4000 to 10300 | N/A | n/a | Alloy 825 | 1/4 to 1/8" (O.D.) | |||
| 4BC2-825-NC | Quote Required | TBD | Straight | Semiconductor | Gases | 2.18 | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Analytical Installations | 426 | -198 | Bulkhead Union | 4000 to 10300 | NACE | n/a | Alloy 825 | 1/4 to 1/8" (O.D.) | |||
| 4BC2-B | Quote Required | TBD | Straight | Microelectronics | Petroleum Oil | 2.18 inch | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | CNG / LNG Lines | - | - | Bulkhead Union | 4000 to 10300 psi | N/A | n/a | Brass | 1/4 to 1/8" (O.D.) | |||
| 4BC2-IIY | Quote Required | TBD | Straight | Semiconductor | Gases | 2.18 | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Analytical Installations | 649 | -198 | Bulkhead Union | 4000 to 10300 | N/A | n/a | Alloy 625 | 1/4 to 1/8" (O.D.) | |||
| 4BC2-IIY-NC | Quote Required | TBD | Straight | Semiconductor | Gases | 2.18 | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Analytical Installations | 649 | -198 | Bulkhead Union | 4000 to 10300 | NACE | n/a | Alloy 625 | 1/4 to 1/8" (O.D.) | |||
| 4BC2-M | Quote Required | TBD | Straight | Chemical | Gases | 2.18 | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Analytical Installations | 425 | -198 | Bulkhead Union | 4000 to 10300 | N/A | n/a | Monel 400 | 1/4 to 1/8" (O.D.) | |||
| 4BC2-M-NC | Quote Required | TBD | Straight | Semiconductor | Gases | 2.18 | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Analytical Installations | 425 | -198 | Bulkhead Union | 4000 to 10300 | NACE | n/a | Monel 400 | 1/4 to 1/8" (O.D.) | |||
| 4BC2-NNR | Quote Required | TBD | Straight | Microelectronics | Hydrogen | 2.18 inch | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Offshore Control Panels | 535 °C | -198 °C | Bulkhead Union | 4000 to 10300 psi | N/A | n/a | Alloy C-276 | 1/4 to 1/8" (O.D.) | |||
| 4BC2-NNR-NC | Quote Required | TBD | Straight | Semiconductor | Gases | 2.18 | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Analytical Installations | 535 | -198 | Bulkhead Union | 4000 to 10300 | NACE | n/a | Alloy C-276 | 1/4 to 1/8" (O.D.) | |||
| 4BC2-S | Quote Required | TBD | Straight | Semiconductor | Gases | 2.18 | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Analytical Installations | - | - | Bulkhead Union | 4000 to 10300 | N/A | n/a | Steel | 1/4 to 1/8" (O.D.) | |||
| 4BC2-S-NC | Quote Required | TBD | Straight | Semiconductor | Gases | 2.18 | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Offshore Control Panels | - | - | Bulkhead Union | 4000 to 10300 | NACE | n/a | Steel | 1/4 to 1/8" (O.D.) | |||
| 4BC2-TTZ | Quote Required | TBD | Straight | Semiconductor | Gases | 2.18 | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Analytical Installations | 315 | -59 | Bulkhead Union | 4000 to 10300 | N/A | n/a | Titanium | 1/4 to 1/8" (O.D.) | |||
| 4BC2-TTZ-NC | Quote Required | TBD | Straight | Semiconductor | Gases | 2.18 | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Analytical Installations | 315 | -59 | Bulkhead Union | 4000 to 10300 | NACE | n/a | Titanium | 1/4 to 1/8" (O.D.) | |||
| 4BC3-316 | Quote Required | TBD | Straight | Semiconductor | Oil | - | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Instrumentation | 649 °C | -255 °C | Bulkhead Union | 4000 to 10300 psi | N/A | n/a | Stainless Steel AISI 316 | 1/4 to 3/16" (O.D.) | |||
| 4BC4-0.5MMOR-316L | Quote Required | TBD | Straight | Chemical | Natural Gas (CNG) | 2.27 inch | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Analytical Installations | - | - | Bulkhead Union | 4000 to 10300 psi | N/A | 0.5 mm Orifice | Stainless Steel AISI 316L | 1/4" (O.D.) | |||
| 4BC4-316 | Quote Required | 78 In Stock | $34.36 | EA | Straight | Petrochemical | Oil | 2.27 inch | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Sensing Lines | 649 °C | -255 °C | Bulkhead Union | 4000 to 10300 psi | N/A | n/a | Stainless Steel AISI 316 | 1/4" (O.D.) | |
| 4BC4-316-NC | Quote Required | TBD | Straight | Semiconductor | Liquid | 2.27 inch | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | CNG / LNG Lines | 649 °C | -255 °C | Bulkhead Union | 4000 to 10300 psi | NACE | n/a | Stainless Steel AISI 316 | 1/4" (O.D.) | |||
| 4BC4-6MO | Quote Required | TBD | Straight | Petrochemical | Gases | 2.27 inch | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Offshore Control Panels | 371 °C | -198 °C | Bulkhead Union | 4000 to 10300 psi | N/A | n/a | 6Mo | 1/4" (O.D.) | |||
| 4BC4-6MO-NC | Quote Required | TBD | Straight | Petrochemical | Oil | 2.27 inch | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Analytical Installations | 371 °C | -198 °C | Bulkhead Union | 4000 to 10300 psi | NACE | n/a | 6Mo | 1/4" (O.D.) | |||
| 4BC4-6MO-NC-NSK | Quote Required | TBD | Straight | Chemical | Natural Gas (CNG) | 2.27 inch | Process Control | Instrumentation Products Division | A-LOK | Instrumentation Products Division | Tube to Tube (Union) | Sensing Lines | 371 °C | -198 °C | Bulkhead Union | 4000 to 10300 psi | NACE | n/a | 6Mo | 1/4" (O.D.) |