Shop gas pipe union

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$80.18
Union: Malleable Iron, 1 1/2 in X 1 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCA9
Grainger
$80.18
Union: Malleable Iron, 1 1/2 in X 1 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCA9
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$89.49
Union: Malleable Iron, 2 in X 2 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCB1
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$89.49
Union: Malleable Iron, 2 in X 2 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCB1
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$34.57
Union: Malleable Iron, 1 1/2 in X 1 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 5P595
Grainger
1
$34.57
Union: Malleable Iron, 1 1/2 in X 1 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 5P595
Grainger
$119.77
Value Collection | Anvil Malleable Iron Pipe Union: 3/4" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam
MSC Direct
$119.77
Value Collection | Anvil Malleable Iron Pipe Union: 3/4" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam
MSC Direct
$222.23
Union: 304 Stainless Steel, 1 in X 1 in Fitting Pipe Size, Female NPT X Female NPT, Class 3000 Model: 2000301712
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$222.23
Union: 304 Stainless Steel, 1 in X 1 in Fitting Pipe Size, Female NPT X Female NPT, Class 3000 Model: 2000301712
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$95.44
Union: 316 Stainless Steel, 2 in X 2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 600U111N020
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$95.44
Union: 316 Stainless Steel, 2 in X 2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 600U111N020
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$13.57
Value Collection Malleable Iron Pipe Union: 3/4" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam | Part G342 20
MSC Direct
$13.57
Value Collection Malleable Iron Pipe Union: 3/4" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam | Part G342 20
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$14.32
Made In USA | Anvil Malleable Iron Pipe Union: 3/4" Fitting - Threaded, 300 Psi Liquid & Gas, 150 Psi Steam | Part E.NU
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$14.32
Made In USA | Anvil Malleable Iron Pipe Union: 3/4" Fitting - Threaded, 300 Psi Liquid & Gas, 150 Psi Steam | Part E.NU
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$33.33
1 1/2" 316 Stainless Steel Class 150 Threaded Union FNPT X FNPT Pipe Fitting 1 1/2" Inch
Amazon.com
1
$33.33
1 1/2" 316 Stainless Steel Class 150 Threaded Union FNPT X FNPT Pipe Fitting 1 1/2" Inch
Amazon.com
$226.37
Union: Malleable Iron, 2 1/2 in X 2 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCB2
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$226.37
Union: Malleable Iron, 2 1/2 in X 2 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCB2
Grainger
$67.92
Union: Malleable Iron, 1 1/4 in X 1 1/4 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCA8
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$67.92
Union: Malleable Iron, 1 1/4 in X 1 1/4 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCA8
Grainger
$20.49
Value Collection Malleable Iron Pipe Union: 1" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam | Part G342 25
MSC Direct
$20.49
Value Collection Malleable Iron Pipe Union: 1" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam | Part G342 25
MSC Direct
$131.97
Value Collection | Anvil Malleable Iron Pipe Union: 1/2" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam
MSC Direct
$131.97
Value Collection | Anvil Malleable Iron Pipe Union: 1/2" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam
MSC Direct
$22.82
Union: Brass, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 6AYY5
Grainger
1
$22.82
Union: Brass, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 6AYY5
Grainger
$204.44
Union: Red Brass, 2 in X 2 in Fitting Pipe Size, Female NPT X Female NPT Model: 6RDA8
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$204.44
Union: Red Brass, 2 in X 2 in Fitting Pipe Size, Female NPT X Female NPT Model: 6RDA8
Grainger
$27.10
Value Collection Malleable Iron Pipe Union: 1-1/2" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam | Part G342 40
MSC Direct
$27.10
Value Collection Malleable Iron Pipe Union: 1-1/2" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam | Part G342 40
MSC Direct
$35.38
Union: 316 Stainless Steel, 1 in X 1 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 600U111N010
Grainger
$35.38
Union: 316 Stainless Steel, 1 in X 1 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 600U111N010
Grainger
$57.27
Anvil Union: Malleable Iron, 1 in X 1 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 0312822703
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$57.27
Anvil Union: Malleable Iron, 1 in X 1 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 0312822703
Grainger
$34.74
Union: Forged Steel, 1 in X 1 in Fitting Pipe Size, Female NPT X Female NPT, Class 3000 Model: 1MND2
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$34.74
Union: Forged Steel, 1 in X 1 in Fitting Pipe Size, Female NPT X Female NPT, Class 3000 Model: 1MND2
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$37.82
Made In USA | Anvil Malleable Iron Pipe Union: 2" Fitting - Threaded, 300 Psi Liquid & Gas, 150 Psi Steam | Part 2.NU
MSC Direct
$37.82
Made In USA | Anvil Malleable Iron Pipe Union: 2" Fitting - Threaded, 300 Psi Liquid & Gas, 150 Psi Steam | Part 2.NU
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$33.01
Made In USA | Anvil Malleable Iron Pipe Union: 1-1/2" Fitting - Threaded, 300 Psi Liquid & Gas, 150 Psi Steam | Part 1D.NU
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$33.01
Made In USA | Anvil Malleable Iron Pipe Union: 1-1/2" Fitting - Threaded, 300 Psi Liquid & Gas, 150 Psi Steam | Part 1D.NU
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$12.48
Made In USA | Anvil Malleable Iron Pipe Union: 1/2" Fitting - Threaded, 300 Psi Liquid & Gas, 150 Psi Steam | Part D.NU
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$12.48
Made In USA | Anvil Malleable Iron Pipe Union: 1/2" Fitting - Threaded, 300 Psi Liquid & Gas, 150 Psi Steam | Part D.NU
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$47.91
Union: Malleable Iron, 2 in X 2 In, NPT X NPT, Class 150 Model: 5P963
Grainger
$47.91
Union: Malleable Iron, 2 in X 2 In, NPT X NPT, Class 150 Model: 5P963
Grainger
$26.90
Union: 304 Stainless Steel, 1 in X 1 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 400U111N010
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$26.90
Union: 304 Stainless Steel, 1 in X 1 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 400U111N010
Grainger
$1,573.63
Anvil Union: Malleable Iron, 4 in X 4 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 0312822828
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$1,573.63
Anvil Union: Malleable Iron, 4 in X 4 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 0312822828
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$152.11
Union: Malleable Iron, 2 in X 2 In, NPT X NPT, Class 300 Model: 1LBT6
Grainger
$152.11
Union: Malleable Iron, 2 in X 2 In, NPT X NPT, Class 300 Model: 1LBT6
Grainger
$39.57
Value Collection Malleable Iron Pipe Union: 2" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam | Part G342 50
MSC Direct
$39.57
Value Collection Malleable Iron Pipe Union: 2" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam | Part G342 50
MSC Direct
$45.17
Union: Red Brass, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT Model: 6RDA5
Grainger
$45.17
Union: Red Brass, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT Model: 6RDA5
Grainger
$19.99
Union: 304 Stainless Steel, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 400U111N034
Grainger
$19.99
Union: 304 Stainless Steel, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 400U111N034
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$49.99
Union: 304 Stainless Steel, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 3000 Model: 2UA97
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$49.99
Union: 304 Stainless Steel, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 3000 Model: 2UA97
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$60.13
Union: 304 Stainless Steel, 1 1/2 in X 1 1/2 in Fitting Pipe Size, Female NPT X Female NPT Model: 400U111N112
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$60.13
Union: 304 Stainless Steel, 1 1/2 in X 1 1/2 in Fitting Pipe Size, Female NPT X Female NPT Model: 400U111N112
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$22.67
Union: Brass, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 6AYY6
Grainger
$22.67
Union: Brass, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 6AYY6
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$28.87
Union: Red Brass, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT Model: 1VFK3
Grainger
$28.87
Union: Red Brass, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT Model: 1VFK3
Grainger
$7.64
Value Collection Malleable Iron Pipe Union: 1/4" Fitting - Threaded, 300 Psi Liquid & Gas, 150 Psi Steam | Part B.NU
MSC Direct
$7.64
Value Collection Malleable Iron Pipe Union: 1/4" Fitting - Threaded, 300 Psi Liquid & Gas, 150 Psi Steam | Part B.NU
MSC Direct
$36.89
Anvil Union: Malleable Iron, 1 in X 1 In, NPT X NPT, Class 150 Model: 0313822124
Grainger
1
$36.89
Anvil Union: Malleable Iron, 1 in X 1 In, NPT X NPT, Class 150 Model: 0313822124
Grainger
$309.88
Union: 316 Stainless Steel, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 6000 Model: 1000601718
Grainger
$309.88
Union: 316 Stainless Steel, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 6000 Model: 1000601718
Grainger
What is a "union fitting" for natural gas pipe?
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Shop gas pipe union

Sponsored
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$22.82
Union: Brass, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 6AYY5
Grainger
1
$22.82
Union: Brass, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 6AYY5
Grainger
$204.44
Union: Red Brass, 2 in X 2 in Fitting Pipe Size, Female NPT X Female NPT Model: 6RDA8
Grainger
$204.44
Union: Red Brass, 2 in X 2 in Fitting Pipe Size, Female NPT X Female NPT Model: 6RDA8
Grainger
$20.49
Value Collection Malleable Iron Pipe Union: 1" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam | Part G342 25
MSC Direct
$20.49
Value Collection Malleable Iron Pipe Union: 1" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam | Part G342 25
MSC Direct
$131.97
Value Collection | Anvil Malleable Iron Pipe Union: 1/2" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam
MSC Direct
$131.97
Value Collection | Anvil Malleable Iron Pipe Union: 1/2" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam
MSC Direct
$27.10
Value Collection Malleable Iron Pipe Union: 1-1/2" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam | Part G342 40
MSC Direct
$27.10
Value Collection Malleable Iron Pipe Union: 1-1/2" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam | Part G342 40
MSC Direct
$35.38
Union: 316 Stainless Steel, 1 in X 1 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 600U111N010
Grainger
$35.38
Union: 316 Stainless Steel, 1 in X 1 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 600U111N010
Grainger
$57.27
Anvil Union: Malleable Iron, 1 in X 1 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 0312822703
Grainger
$57.27
Anvil Union: Malleable Iron, 1 in X 1 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 0312822703
Grainger
$34.74
Union: Forged Steel, 1 in X 1 in Fitting Pipe Size, Female NPT X Female NPT, Class 3000 Model: 1MND2
Grainger
$34.74
Union: Forged Steel, 1 in X 1 in Fitting Pipe Size, Female NPT X Female NPT, Class 3000 Model: 1MND2
Grainger
$37.82
Made In USA | Anvil Malleable Iron Pipe Union: 2" Fitting - Threaded, 300 Psi Liquid & Gas, 150 Psi Steam | Part 2.NU
MSC Direct
$37.82
Made In USA | Anvil Malleable Iron Pipe Union: 2" Fitting - Threaded, 300 Psi Liquid & Gas, 150 Psi Steam | Part 2.NU
MSC Direct
$33.01
Made In USA | Anvil Malleable Iron Pipe Union: 1-1/2" Fitting - Threaded, 300 Psi Liquid & Gas, 150 Psi Steam | Part 1D.NU
MSC Direct
$33.01
Made In USA | Anvil Malleable Iron Pipe Union: 1-1/2" Fitting - Threaded, 300 Psi Liquid & Gas, 150 Psi Steam | Part 1D.NU
MSC Direct
$12.48
Made In USA | Anvil Malleable Iron Pipe Union: 1/2" Fitting - Threaded, 300 Psi Liquid & Gas, 150 Psi Steam | Part D.NU
MSC Direct
$12.48
Made In USA | Anvil Malleable Iron Pipe Union: 1/2" Fitting - Threaded, 300 Psi Liquid & Gas, 150 Psi Steam | Part D.NU
MSC Direct
$47.91
Union: Malleable Iron, 2 in X 2 In, NPT X NPT, Class 150 Model: 5P963
Grainger
$47.91
Union: Malleable Iron, 2 in X 2 In, NPT X NPT, Class 150 Model: 5P963
Grainger
$26.90
Union: 304 Stainless Steel, 1 in X 1 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 400U111N010
Grainger
$26.90
Union: 304 Stainless Steel, 1 in X 1 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 400U111N010
Grainger
$1,573.63
Anvil Union: Malleable Iron, 4 in X 4 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 0312822828
Grainger
$1,573.63
Anvil Union: Malleable Iron, 4 in X 4 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 0312822828
Grainger
$152.11
Union: Malleable Iron, 2 in X 2 In, NPT X NPT, Class 300 Model: 1LBT6
Grainger
$152.11
Union: Malleable Iron, 2 in X 2 In, NPT X NPT, Class 300 Model: 1LBT6
Grainger
$39.57
Value Collection Malleable Iron Pipe Union: 2" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam | Part G342 50
MSC Direct
$39.57
Value Collection Malleable Iron Pipe Union: 2" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam | Part G342 50
MSC Direct
$45.17
Union: Red Brass, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT Model: 6RDA5
Grainger
$45.17
Union: Red Brass, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT Model: 6RDA5
Grainger
$19.99
Union: 304 Stainless Steel, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 400U111N034
Grainger
$19.99
Union: 304 Stainless Steel, 3/4 in X 3/4 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 400U111N034
Grainger

Shop gas pipe union

Sponsored
About our ads
$80.18
Union: Malleable Iron, 1 1/2 in X 1 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCA9
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$80.18
Union: Malleable Iron, 1 1/2 in X 1 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCA9
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$89.49
Union: Malleable Iron, 2 in X 2 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCB1
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Union: Malleable Iron, 2 in X 2 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCB1
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$34.57
Union: Malleable Iron, 1 1/2 in X 1 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 5P595
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$34.57
Union: Malleable Iron, 1 1/2 in X 1 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 5P595
Grainger
$119.77
Value Collection | Anvil Malleable Iron Pipe Union: 3/4" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam
MSC Direct
$119.77
Value Collection | Anvil Malleable Iron Pipe Union: 3/4" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam
MSC Direct
$222.23
Union: 304 Stainless Steel, 1 in X 1 in Fitting Pipe Size, Female NPT X Female NPT, Class 3000 Model: 2000301712
Grainger
$222.23
Union: 304 Stainless Steel, 1 in X 1 in Fitting Pipe Size, Female NPT X Female NPT, Class 3000 Model: 2000301712
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$95.44
Union: 316 Stainless Steel, 2 in X 2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 600U111N020
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$95.44
Union: 316 Stainless Steel, 2 in X 2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 600U111N020
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$13.57
Value Collection Malleable Iron Pipe Union: 3/4" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam | Part G342 20
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$13.57
Value Collection Malleable Iron Pipe Union: 3/4" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam | Part G342 20
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$14.32
Made In USA | Anvil Malleable Iron Pipe Union: 3/4" Fitting - Threaded, 300 Psi Liquid & Gas, 150 Psi Steam | Part E.NU
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$14.32
Made In USA | Anvil Malleable Iron Pipe Union: 3/4" Fitting - Threaded, 300 Psi Liquid & Gas, 150 Psi Steam | Part E.NU
MSC Direct
$33.33
1 1/2" 316 Stainless Steel Class 150 Threaded Union FNPT X FNPT Pipe Fitting 1 1/2" Inch
Amazon.com
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$33.33
1 1/2" 316 Stainless Steel Class 150 Threaded Union FNPT X FNPT Pipe Fitting 1 1/2" Inch
Amazon.com
$226.37
Union: Malleable Iron, 2 1/2 in X 2 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCB2
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$226.37
Union: Malleable Iron, 2 1/2 in X 2 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCB2
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$67.92
Union: Malleable Iron, 1 1/4 in X 1 1/4 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCA8
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$67.92
Union: Malleable Iron, 1 1/4 in X 1 1/4 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 1LCA8
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$20.49
Value Collection Malleable Iron Pipe Union: 1" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam | Part G342 25
MSC Direct
$20.49
Value Collection Malleable Iron Pipe Union: 1" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam | Part G342 25
MSC Direct
$131.97
Value Collection | Anvil Malleable Iron Pipe Union: 1/2" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam
MSC Direct
$131.97
Value Collection | Anvil Malleable Iron Pipe Union: 1/2" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam
MSC Direct
$22.82
Union: Brass, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 6AYY5
Grainger
1
$22.82
Union: Brass, 1/2 in X 1/2 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 6AYY5
Grainger
$204.44
Union: Red Brass, 2 in X 2 in Fitting Pipe Size, Female NPT X Female NPT Model: 6RDA8
Grainger
$204.44
Union: Red Brass, 2 in X 2 in Fitting Pipe Size, Female NPT X Female NPT Model: 6RDA8
Grainger
$27.10
Value Collection Malleable Iron Pipe Union: 1-1/2" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam | Part G342 40
MSC Direct
$27.10
Value Collection Malleable Iron Pipe Union: 1-1/2" Fitting - 300 Psi Liquid & Gas, 150 Psi Steam | Part G342 40
MSC Direct
$35.38
Union: 316 Stainless Steel, 1 in X 1 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 600U111N010
Grainger
$35.38
Union: 316 Stainless Steel, 1 in X 1 in Fitting Pipe Size, Female NPT X Female NPT, Class 150 Model: 600U111N010
Grainger
$57.27
Anvil Union: Malleable Iron, 1 in X 1 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 0312822703
Grainger
$57.27
Anvil Union: Malleable Iron, 1 in X 1 in Fitting Pipe Size, Female NPT X Female NPT, Class 300 Model: 0312822703
Grainger