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Swagelok Nigeria

Your Authorized Swagelok Sales and Service Centre

Process Interface Valves

Process Interface Valve

Process Interface Valves (DBB)


  • Efficient transitions from process piping systems to instrumentation systems in a single configuration with fewer potential leak points
  • Lower installed weights and smaller footprints compared to assemblies featuring multiple valves and fittings

Our selection includes:

  • One-piece Forged Body Valves – VB04 Series
  • Three-piece Bolted Body Valves – VB03 Series
  • Process Monoflanges – MN0 Series
  • Reduced Fugitive Emissions Valves – VB05 Series
  • All-Needle Valves – VN01 Series
  • High-Pressure, High-Temperature (HPHT) – VN03 Series


Working Pressures Class 150 to class 2500, up to working temperatures listed below, in accordance with ASME B16.5: refer to product catalog for specific pressure ratings.
Working Temperatures -58 to 400°F (-50 to 204°C) for stainless steel and duplex valve assemblies
-50 to 400°F (-46 to 204°C) for carbon steel assemblies
Sizes Available Include 1, 1 1/2, and 2 in. (25, 38, and 50 mm) bore size – VB03 series
3/8, 1/2, and 3/4 in. (9.5, 14, and 20 mm) bore size – VB04 series

Discover more about how Swagelok products can work for you. Browse our catalogs or locate a sales and service center.

Safe Product Selection: The complete catalog contents must be reviewed to ensure that the system designer and user make a safe product selection. When selecting products, the total system design must be considered to ensure safe, trouble-free performance. Function, material compatibility, adequate ratings, proper installation, operation, and maintenance are the responsibilities of the system designer and user.

Caution:  Do not mix/interchange Swagelok two ferrule tube fitting end connection components (or other products not governed by industrial design standards) with those of other manufacturers.