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Swagelok Alabama | Central & South Florida | West Tennessee

Your Authorized Swagelok Sales and Service Center

Process Interface Valves (DBB)

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.

⚠ Warning: Do not mix/interchange Swagelok products or components not governed by industrial design standards, including Swagelok tube fitting end connections, with those of other manufacturers.