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Stainless Steel Flanged Weld on Tank Fitting

Stainless Steel Flanged Weld on Tank Fitting

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SKU:23001

Regular price $6.81
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Stainless Steel Flanged Weld on Tank Fitting

USA-made NPT stainless weld flanges stamped from 316 stainless. Sizes 1/4"–1.5" NPT. Common uses: fuel, hydraulic, and water tanks.

  • Made in USA
  • 316 stainless steel
  • Quality-checked with L1 thread gauge
  • Not replaced after welding

NPT sizes refer to the pipe that threads into the fitting. Threads have a 1.8° taper — male fittings typically tighten 1 turn or less past hand-tight. Use appropriate thread sealant.

Looking for 2" NPT? See SKU#23017 (machined bung).

NPT ID OD TPI Thickness Installed Height Hole Cut
1/4" 0.46" 1.75" 18 0.27" 0.22" .750"
3/8" 0.58" 1.75" 18 .27" .22" 1"
1/2" .73" 1.75" 14 .27" .22" 1"
3/4" .92" 2.37" 14 0.31" 0.25" 1.25"
1" 1.17" 2.37" 11.5 0.31" 0.25" 1.5"
1.25" 1.49" 2.86" 11.5 0.4" 0.25" 2"
1.5" 1.75" 3.39" 11.5 0.437" 0.31" 2.25"

Documents: NPT weld fittings guide (PDF) | NPT weld fittings guide | Weld fittings product guide

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Variant Variant total Quantity Price Variant total
1/4" NPT #2300123001
1/4" NPT #2300123001
$6.81/ea
$0.00
$6.81/ea $0.00
3/8"NPT #2300223002
3/8"NPT #2300223002
$6.81/ea
$0.00
$6.81/ea $0.00
1/2" NPT #2300323003
1/2" NPT #2300323003
$6.81/ea
$0.00
$6.81/ea $0.00
3/4"NPT #2300423004
3/4"NPT #2300423004
$11.79/ea
$0.00
$11.79/ea $0.00
1" NPT #2300523005
1" NPT #2300523005
$11.79/ea
$0.00
$11.79/ea $0.00
1.25" NPT #2300623006
1.25" NPT #2300623006
$18.96/ea
$0.00
$18.96/ea $0.00
1.5" NPT #2301823018
1.5" NPT #2301823018
$25.62/ea
$0.00
$25.62/ea $0.00

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