Industrial Piping Products

Top-quality pipe, valves, flanges, and fittings
delivered across the globe!

Interserv International Services, LLC is one of America’s leading exporters of quality piping products for the oil, gas, petrochemical, and energy industries. We look forward to working with you!

Interserv International Services, LLC

Our Experience

We utilize our extensive experience and wholesale access to a vast network of manufacturers and master distributors to put a mixed bill of hard-to-source material at your fingertips with fast deliveries and top-quality brands that meet your AML.

Contact us today or submit your RFQ online for a competitive quotation for your specialty and hard-to-source materials!

Pipe and Tubing

  • Large-od carbon
  • Stainless
  • Chrome-moly alloys
  • High-yield
  • Low-temp
  • Nickel alloys
  • Finned tubes
  • Studded pipe
  • Threaded and coupled
  • Hot-dip galvanized
  • Pipe nipples

Butt-weld Fittings

  • Large-od carbon
  • Stainless
  • Chrome-moly alloys
  • High-yield
  • Low-temp
  • Nickel alloys
  • Semi-elliptical heads

Flanges

  • Large-od carbon
  • Stainless
  • Chrome-moly alloys
  • High-yield
  • Low-temp
  • Nickel alloys
  • Long-weld necks
  • HB nozzles
  • Orifice flanges
  • Flange isolation kits

Valves

  • Full-port and conventional-port gates
  • Globes
  • Swing checks
  • Piston checks
  • Floating ball valves
  • Trunnion ball valves
  • Plug valves
  • Butterfly valves
  • Jacketed valves
  • Needle valves
  • Ductile iron
  • Forged
  • Cast
  • Carbon
  • Stainless
  • Chrome-moly alloys
  • Nickel alloys
  • Pressure-seal

Pressure Fittings and Branch Connections

  • Stainless
  • Chrome-moly alloys
  • High-yield
  • Low-temp
  • Nickel alloys
  • OLETS

Plate

  • Carbon
  • Stainless
  • Chrome-moly alloys
  • Nickel alloys
  • Paddle blinds
  • Figure 8 spectacle blinds
  • Orifice plate
  • Round bar
  • Flat bar
  • Square bar
  • Honed-id bar

Fasteners

  • Stud bolts
  • Machine bolts
  • Hex nuts
  • Spiral-wound gaskets
  • Aluminumized
  • Xylan sp11c
  • Cadmium-plated

Miscellaneous

  • Air filters
  • Instrumentation
  • Spare parts
  • Thermowells
  • Welding consumables
  • Wire cloth / more

Our Story

The late Paul Duttenhaver founded Interserv in 1983 in Houston, Texas. Over the decades that followed, Mr. Duttenhaver grew the company into a significant global supplier to customers in multiple continents. Today Interserv continues on the foundations Mr. Duttenhaver established for the company: quality products, excellent service, and competitive pricing.

Interserv's customers include refineries, ASME fabricators, construction and engineering firms, and regional distributors in Mexico, Colombia, Venezuela, Chile, Singapore, Thailand, and Malaysia.

Contact

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