PVF for the Nuclear Industry

Why Choose Howell?



Our Commitment to Continuous Improvement

Howell is committed to continuous improvement, as evidenced by our ongoing registration to the ISO 9001 standard since 2003.

Howell’s Quality Management System is currently ISO 9001:2015 and CSA N299.3 certified

Our most recent ISO Certificate can be viewed here


Leader of the Pack in Customer Service

Howell has a mature Nuclear program that has proudly supported the original Canadian Candu design from AECL through to the current nuclear referbishment and life extension projects.


Howell Helps!

Whatever the challenge, Howell’s technical product specialists will help in providing and sourcing the products and solutions for your plant’s needs

Proudly Canadian.

Ontario Owned and Operated.

Pipe & Tubing

Howell provides a wide range of pipe in sizes up to 96″, customised to meet your needs

  • Single & Double random lengths
  • C/W, ERW, Seamless & Spiral
  • API 5LB-X42 thru X72
  • A53, A106, A500, A252, A139
Double Random length pipe

Pipe Fabrication

Howell’s in-house pipe shop has on-site capabilitiy for cutting to specific lengths and machining to custom specifications.

  • Straight & Angle Cuts
  • Threading up to 8″ diameter
  • Beveling
  • Roll & Cut Grooving

Valves & Automation

Howell carries a wide variety of different valves that are used in the Nuclear industry.

  • Ball Valves
  • Butterfly Valves
  • Gate, Globe & Check Valves
  • Forged Steel Valves
  • Automated Valves

Howell specializes in valve automation and assembly with an in-house valve actuation shop. With this shop, Howell is able to add electric or pneumatic actuators to valves, allowing them to be opened and closed automatically.

Engineered Pipe Supports

Authorized Canadian distributor for Anvil EPS Engineered Pipe Support Division

  • Anvil is the industry leader in the manufacture of engineered pipe support systems specifically manufactured for the Nuclear industry.
  • Howell is authorized to supply both commercial grade and Nuclear Class 1, 2, 3 pipe supports.

Fittings & Flanges

Available in:

  • Stainless & Alloy
  • Carbon & Forged Steel
  • Copper & Brass
  • Grooved & Press
  • Socket & Butt Weld
  • Malleable & Iron
  • PVC & CPVC
  • Engineered Plastics
  • Flanges of all Class Ratings


An Authorized Stocking Distributor of Winters Gauges

Howell is please be an authorized stocking distributor of the pressure and temperature instrumentation products manufactured by Winters Instruments. For over 50 years, Winters Instruments has provided industrial instrumentation solutions.

  • Pressure Gauges
  • Pressure Transmitters
  • Needle Valves & Manifolds
  • Pressure Switches
  • Diaphragm Seals
  • Thermometers
  • RTD & Termocouples

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