MiniButtweld™ Fittings

Parker MiniButtweld™ Fittings
Parker UHP MiniButtweld fittings are designed to be used in Ultra-High Purity systems and applications where superior material, surface finish, and a leak-free design is required.  These fittings are highly compact when compared to Automatic Buttweld or similar fitting types and are fully compatible with industry-standard orbital weld equipment.  Parker’s unique machining and surface finish enhancement processes prevent outgassing and inhibit corrosion.

MiniButtweld™ Fittings - Standard Features

  • 316L VIM/VAR Material
  • Permanently Heat Code marked; traceable to original mill certificate of test
  • Components permanently marked with designator PE on cube have controlled surface finishes to meet requirements of ultra-high purity systems
  • Critical surfaces are 100% visually inspected using magnification and lighting
  • Material composition printed on bag


MiniButtweld™ Fittings - Specifications

Pressure Ratings will be governed by the tubing selected for a particular application. Working Pressures are calculated below for tubing using maximum allowable stress levels in accordance with ASME/ANSI B31.3, at ambient temperature.

Internal Surface Finishes: Standard finish MiniButtweld™ fittings have an internal Surface Roughness of 15 μinch Ra. PE MiniButtweld fittings have an internal Surface Roughness of 5μinch Ra.

Cleaning and Packaging: Ultra-High Purity cleaning and packaging in a Class 100 Clean Room environment, is standard for all components. Consult your local Parker Distributor or the factory for more information.

Download Parker MiniButtweld™ Fittings Datasheet


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