Manufacturing Capacity:
Welded steel pipe in sizes 17.250" OD through 144" OD
with material thickness ranging from .105" through 0.625". 
Capabilities, Products and Services:
Full-service welded steel pipe manufacturer offering
comprehensive engineering and estimating services. Production
capabilities include 3 spiral-weld mills, complete fabrication,
as well as linings and coatings as described below.
Spiral Weld Steel Pipe:
Double-submerged arc welded
-
Sizes: 17.25" OD through 144" OD
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Wall thickness: 0.105" through 0.625"
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Hydro-tested lengths: 20' through 60'
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Non-hydrostatically tested lengths: As
Required
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Bargeable Length: Up to 140'
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Ultrasonic and radioscopic: Real Time
Radiograph.
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Capability possible: 100% Ultrasonic tested
spiral weld per API 5L (certified)
Typical Manufacturing
Specifications:
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AWWA: C200
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ASTM: A139 and A252
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API-certified: 5L
End Treatments:
Rolled groove O-ring gasketed bell and spigot,
weld bell and spigot, mitered weld bell, flanged and flexible
couplings, Carnegie bell and spigot, square cut, plain end,
beveled ends.
Linings and Coatings:
Linings
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C205 Cement-mortar Sizes 12" through 92", NSF
Certified
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C210 Liquid Epoxies Sizes 10" through
120"
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C222 Polyurethane Sizes 17.25" through
120"
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Specialty paints Sizes 17.25" through
120"
Coatings
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C209/214 Polyethylene Tape Sizes 10" through
108"
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C210 Liquid Epoxies Sizes 4" through
108"
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C218 Primer, Specialty Paint Sizes 4" through
108"
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C222 Polyurethane Sizes 4" through 108"
-
C205 Cement-mortar Sizes 12" through
84"
Available Shipping:
Rail, barge/ship, truck, piggyback
Facility Description:
300,000 square feet of covered manufacturing facility on 25
acres of land in North Portland.
Northwest Pipe Company
12005 N. Burgard
Portland, OR 97203
(503) 285-1400
(800) 824-9824
Operations Manager: Randy Ridgley (503) 285-1400
x2345
Municipal West VP of Sales: Hardin Stephens (503)
285-1400 x2336