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Pipe Fitting, NPT Hanging Pipe – A-LOK Series

Parker's A-LOK® NPT hanging-type couplings are compression couplings with dual clamping rings, designed for leak-free connections in process instrumentation and industrial applications.

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Product Overview
Technical specifications
  • Brand name: A-LOK
  • Configuration: Pipe to Pipe Thread (External Pipe Thread)
  • Product type: T-fitting with external thread
  • Form: T-fitting
  • Connection size: 1/8 to 1-inch thread, 1/4-inch thread, BSPT inch thread, NPT inch thread, 1/4 to 3/8-inch thread, BSPP inch thread
  • Outer diameter of the tube: 1/8 to 1 inch, 6 to 25 mm
  • Fulfilled specifications: EC 79, NORSOK M650
  • Construction materials: 316 stainless steel, steel, 6Mo, Alloy 625, Alloy 825, Alloy C-276, Monel 400, titanium, 316L stainless steel
  • Working pressure: 2,400 to 10,900 psi
  • Minimum operating temperature: −255 °C
  • Maximum operating temperature: 649 °C
  • For media type: Liquids, fuels, oil, corrosive media, gases, natural gas (CNG), hydrogen, steam, petroleum-based hydraulic fluids (oil)
  • Length: 1.84 to 3.88 inches, 53.9 to 77.6 mm
  • Field of application: Instrumentation, analytical systems, CNG/LNG pipelines, hydrogen applications, offshore control panels, measurement lines, research laboratories
  • Technology: Process Control
  • Industry: Semiconductors, microelectronics, chemistry, petrochemicals, transportation, power generation, nuclear power, oil and gas
  • Division: Instrumentation Products Division
Complete Product Description

Parker's A-LOK® NPT pipe fittings are double-clamp compression fittings designed to provide reliable, leak-free connections in instrumentation, process control, and analytical applications where double-clamp pipe fittings are required. The couplings are manufactured to high-quality standards and are available in a wide range of sizes, corrosion-resistant materials, and configurations.

Parker’s A-LOK® NPT hanging couplings are manufactured as standard in heat-code-traceable 316 stainless steel. Other available materials include 6Mo, Alloy 825, Alloy 625, and Alloy C-276.

The fittings are available for inch-sized tubes with outer diameters ranging from 1/8 to 1 inch, as well as for metric tubes with outer diameters ranging from 6 to 16 mm.

Industries
  • Semiconductors/Microelectronics
  • Chemical industry
  • Petrochemical industry
  • Transportation
  • Power Generation
  • Nuclear Power
  • Oil and Gas
  • Research Laboratories
Features/benefits
  • Wide range of corrosion-resistant alloys
  • EC79-approved for hydrogen applications
  • Parker's Suparcase™ surface treatment process provides superior surface hardening of the material
  • Hardened clamping rings ensure leak-free connections
  • Silver-plated nuts prevent seizing and galling during assembly
Applications
  • Instrumentation Connection System
  • Analytics Installations
  • CNG/LNG Pipelines
  • Hydrogen Applications
  • Offshore Control Panels
  • Measurement lines
Request for quotation

Please fill out the form below to submit a quote request. Your request will be processed and responded to by our subsidiary, Aldax AB.

Contact information:
Phone: +46 (0)8 449 64 20
E-mail: info@aldax.se

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Downloadable material
CPI™ /A-LOK® - Catalog
catalog
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