Parker's two ferrule compression fittings, A-LOK® NPT Male Connector 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.
| Brand | A-LOK |
| Configuration | Tube to Pipe (Male Pipe) |
| Product Style | Male National Pipe Tapered (NPT) Connector |
| Shape | Straight |
| Tube Outside Diameter | 1/16 to 2 inch, 2 to 32 mm |
| Connection Size | 1/16 to 2 inch Thread, NPT inch Thread |
| 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, Titanium + Supercased 825 back ferrule, 316L Stainless Steel, Brass |
| Operating Pressure | 2000 to 16800 psi |
| Minimum Operating Temperature | -255 °C |
| Maximum Operating Temperature | 649 °C |
| For Fluid Type | Liquid, Fuels, Oil, Corrosive, Gases, Natural Gas (CNG), Hydrogen, Steam, Petroleum Hydraulic Fluids (Oil) |
| Length | 0.93 to 4.47 inch, 29.7 to 79.5 mm |
| Technology | Process Control |
| Application | Analytical Installations, Instrumentation Hook-up Systems, Corrosion Resistant Installations, Instrumentation, CNG / LNG Lines, Hydrogen Service, Offshore Control Panels, Sensing Lines, Research Labs |
| Industry | Oil & Gas, Chemicals Processing, Trucks & Buses, Semiconductor, Industrial Gas, Analytical Instrumentation, Power Generation, Renewable Energy, Healthcare & Life Sciences, Water Treatment, Microelectronics, Petrochemical |
| Division | Instrumentation Products Division |
As standard, Parker’s A-LOK® NPT Male Connector 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.
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
