At Douglas Barwick Inc., we value product quality and customer satisfaction.
Other companies talk about quality and customer satisfaction, we have 125 years of experience to back up our claim.
Our technicians design quality assurance procedures and see that they are rigorously applied. They also make sure that all inspections of material and workmanship are carried out in accordance with the required quality assurance programs.
Douglas Barwick Inc. manufactures stainless steel pipe & fittings to the specifications and codes listed below:
| A269 | Standard specifications for seamless and welded austenitic stainless steel tubing for general service. |
| A312 | Standard specifications for seamless and welded austenitic stainless steel pipes. |
| A358 | Standard specifications for electric-fusion-welded austenitic chromium-nickel alloy steel pipe for high-temperature service. |
| A403 | Standard specifications for wrought austenitic stainless steel piping fittings. |
| A409 | Standard specifications for welded large diameter austenitic steel pipe for corrosive or high temperature service. |
| A774 | Standard specifications for as-welded wrought austenitic stainless steel fittings for general corrosive service at low and moderate temperatures. |
| A778 | Standard specifications for welded, un-annealed austenitic stainless steel tubular products. |
| A790 | Standard specifications for seamless and welded ferritic/austenitic stainless steel. |
| B36.19M-1985 | American National Standard for Stainless Steel Pipe. ( ANSI/ASME B36.19M-1985) |
| ANSI B31.1 | Power Piping. |
| ANSI B31.3 | Chemical Plant and Petroleum Refining Piping. |
| TAPPI | Recommended specifications for Stainless Steel Pipe & Fittings. |
| CSA W59 | Welded Steel Construction. |
| AWWA | Manual of water supply products. (American Water Works Associations) |
| ASME Section IX | Qualification Standards for Welding Procedures, Welders and Welding Operators. |
| ISO 9001 | Certified by Quality Management Institute - Model of Quality Assurance in Production. |
An ISO 9001 Registered Company
Cert. No. 001689
English 
Français