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.
| Brand | A-LOK |
| Configuration | Tube to Tube (Union) |
| Product Style | Bulkhead Union |
| Shape | Straight |
| Tube Outside Diameter | 1/16 to 1 inch, 3 to 25 mm, 3/8"-8 inch, 22 mm, 10 to 12 mm, 6 to 12 mm |
| Specifications Met | EC 79, NACE, NORSOK M650 |
| Materials of Construction | 316 Stainless Steel, Steel, 6Mo, Alloy 625, Alloy 825, Alloy C-276, Monel 400, Titanium, Brass, 316L Stainless Steel |
| Operating Pressure | 2400 to 16800 psi |
| Minimum Operating Temperature | -255 °C |
| Maximum Operating Temperature | 649 °C |
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
