Pipe Plug, 300lb Flange Weld Test, > 6" 151 Series
A 151-series flange hydro test plug allows you to monitor upstream conditions, isolate and purge the weld area, perform the weld and hydro test the weld joint with only one tool.
- Fast, easy installation, and testing, repairs and retrofits.
- Segmented compression tube allows adjustment of seal installation depth.
- Improved Seal-to-Pipe Clearance: Plug can be easily installed and removed even where there is severe weld protrusion.
- Low water requirements resulting in less waste water.
- A minimum of 1.5:1 safety factor.
- High pressure flange with rugged, heavy-duty construction.
- Versatile: Seal and washer sets easily change to accommodate different pipe schedules.
- Ported Center Shaft allows for upstream monitoring.
- Flange classes 150 - 300 lbs. (higher flange classes available)
- Seal Materials: Urethane Standard.
- Flange style is Raised Face type.
151-Series High Lift Flange Test & Welding Plugs Operating Instructions for Sizes 3/4" to 8"
151-Series High Lift Flange Test & Welding Plugs Operating Instructions for Sizes 10" to 24"

| Image | Flange Size | Flange Class | Pipe Type | Press. Pipeline Max | Length, Flange to Seal | Length, Seal Washer to End | Shipping Wt. | Item Number | Price | Qty | Action |
|---|---|---|---|---|---|---|---|---|---|---|---|
|
24" DN600 | 300 Lb (136.08 Kg) | SCH 120 | 1,125 Psi (77.6 Bar) | 12-3/4" (323.9mm) | 6.5" (165.1mm) | 1255 Lb (568.6 Kg) | 151-3240-S120 |
$27,100.00
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|
24" DN600 | 300 Lb (136.08 Kg) | SCH 100 | 1,125 Psi (77.6 Bar) | 12-3/4" (323.9mm) | 6.5" (165.1mm) | 1255 Lb (568.6 Kg) | 151-3240-S100 |
$27,100.00
|
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|
20" DN500 | 300 Lb (136.08 Kg) | SCH 80 | 1,125 Psi (77.6 Bar) | 12-3/4" (323.9mm) | 6.5" (165.1mm) | 870 Lb (394.2Kg) | 151-3200-S80 |
$23,400.00
|
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|
20" DN500 | 300 Lb (136.08 Kg) | SCH 60 | 1,125 Psi (77.6 Bar) | 12-3/4" (323.9mm) | 6.5" (165.1mm) | 870 Lb (394.2Kg) | 151-3200-S60 |
$23,400.00
|
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|
20" DN500 | 300 Lb (136.08 Kg) | SCH 40 | 1,125 Psi (77.6 Bar) | 12-3/4" (323.9mm) | 6.5" (165.1mm) | 870 Lb (394.2Kg) | 151-3200-S40 |
$23,400.00
|
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|
20" DN500 | 300 Lb (136.08 Kg) | SCH 30/XS | 1,125 Psi (77.6 Bar) | 12-3/4" (323.9mm) | 6.5" (165.1mm) | 870 Lb (394.2Kg) | 151-3200-S30XS |
$23,400.00
|
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|
20" DN500 | 300 Lb (136.08 Kg) | SCH 20/STD | 1,125 Psi (77.6 Bar) | 12-3/4" (323.9mm) | 6.5" (165.1mm) | 870 Lb (394.2Kg) | 151-3200-S20 |
$23,400.00
|
||
|
20" DN500 | 300 Lb (136.08 Kg) | SCH 10/10S/5 | 1,125 Psi (77.6 Bar) | 12-3/4" (323.9mm) | 6.5" (165.1mm) | 870 Lb (394.2 Kg) | 151-3200-S1010S5 |
$23,400.00
|
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|
20" DN500 | 300 Lb (136.08 Kg) | SCH 100 | 1,125 Psi (77.6 Bar) | 12-3/4" (323.9mm) | 6.5" (165.1mm) | 870 Lb (394.2 Kg) | 151-3200-S100 |
$23,400.00
|
||
|
18" DN450 | 300 Lb (136.08 Kg) | SCH XS | 1,125 Psi (77.6 Bar) | 12-3/4" (323.9mm) | 6.5" (165.1mm) | 656 Lb (297.2 Kg) | 151-3180-SXS |
$20,600.00
|
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|
18" DN450 | 300 Lb (136.08 Kg) | SCH STD | 1,125 Psi (77.6 Bar) | 12-3/4" (323.9mm) | 6.5" (165.1mm) | 656 Lb (297.2 Kg) | 151-3180-SSTD |
$20,600.00
|
||
|
18" DN450 | 300 Lb (136.08 Kg) | SCH 80 | 1,125 Psi (77.6 Bar) | 12-3/4" (323.9mm) | 6.5" (165.1mm) | 656 Lb (297.2 Kg) | 151-3180-S80 |
$20,600.00
|
||
|
18" DN450 | 300 Lb (136.08 Kg) | SCH 60 | 1,125 Psi (77.6 Bar) | 12-3/4" (323.9mm) | 6.5" (165.1mm) | 656 Lb (297.2 Kg) | 151-3180-S60 |
$20,600.00
|
||
|
18" DN450 | 300 Lb (136.08 Kg) | SCH 40 | 1,125 Psi (77.6 Bar) | 12-3/4" (323.9mm) | 6.5" (165.1mm) | 656 Lb (297.2 Kg) | 151-3180-S40 |
$20,600.00
|
||
|
18" DN450 | 300 Lb (136.08 Kg) | SCH 30 | 1,125 Psi (77.6 Bar) | 12-3/4" (323.9mm) | 6.5" (165.1mm) | 656 Lb (297.2 Kg) | 151-3180-S30 |
$20,600.00
|
||
|
18" DN450 | 300 Lb (136.08 Kg) | SCH 20 | 1,125 Psi (77.6 Bar) | 12-3/4" (323.9mm) | 6.5" (165.1mm) | 656 Lb (297.2 Kg) | 151-3180-S20 |
$20,600.00
|
||
|
18" DN450 | 300 Lb (136.08 Kg) | SCH 120 | 1,125 Psi (77.6 Bar) | 12-3/4" (323.9mm) | 6.5" (165.1mm) | 656 Lb (297.2 Kg) | 151-3180-S120 |
$20,600.00
|
||
|
18" DN450 | 300 Lb (136.08 Kg) | SCH 10/10S/5 | 1,125 Psi (77.6 Bar) | 12-3/4" (323.9mm) | 6.5" (165.1mm) | 656 Lb (297.2 Kg) | 151-3180-S1010S5 |
$20,600.00
|
||
|
18" DN450 | 300 Lb (136.08 Kg) | SCH 100 | 1,125 Psi (77.6 Bar) | 12-3/4" (323.9mm) | 6.5" (165.1mm) | 656 Lb (297.2 Kg) | 151-3180-S100 |
$20,600.00
|
||
|
16" DN400 | 300 Lb (136.08 Kg) | SCH 80 | 1,125 Psi (77.6 Bar) | 12-3/4" (323.9mm) | 5.75" (146mm) | 528 Lb (239.2 Kg) | 151-3160-S80 |
$18,200.00
|
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|
16" DN400 | 300 Lb (136.08 Kg) | SCH 60 | 1,125 Psi (77.6 Bar) | 12-3/4" (323.9mm) | 5.75" (146mm) | 528 Lb (239.2 Kg) | 151-3160-S60 |
$18,200.00
|
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|
16" DN400 | 300 Lb (136.08 Kg) | SCH 40/XS | 1,125 Psi (77.6 Bar) | 12-3/4" (323.9mm) | 5.75" (146mm) | 528 Lb (239.2 Kg) | 151-3160-S40XS |
$18,200.00
|
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|
16" DN400 | 300 Lb (136.08 Kg) | SCH 30/STD | 1,125 Psi (77.6 Bar) | 12-3/4" (323.9mm) | 5.75" (146mm) | 528 Lb (239.2 Kg) | 151-3160-S30 |
$18,200.00
|
||
|
16" DN400 | 300 Lb (136.08 Kg) | SCH 20 | 1,125 Psi (77.6 Bar) | 12-3/4" (323.9mm) | 5.75" (146mm) | 528 Lb (239.2 Kg) | 151-3160-S20 |
$18,200.00
|
||
|
16" DN400 | 300 Lb (136.08 Kg) | SCH 120 | 1,125 Psi (77.6 Bar) | 12-3/4" (323.9mm) | 5.75" (146mm) | 528 Lb (239.2 Kg) | 151-3160-S120 |
$18,200.00
|
||
|
16" DN400 | 300 Lb (136.08 Kg) | SCH 100 | 1,125 Psi (77.6 Bar) | 12-3/4" (323.9mm) | 5.75" (146mm) | 528 Lb (239.2 Kg) | 151-3160-S100 |
$18,200.00
|
||
|
16" DN400 | 300 Lb (136.08 Kg) | SCH 10/10S/5 | 1,125 Psi (77.6 Bar) | 12-3/4" (323.9mm) | 5.75" (146mm) | 528 Lb (239.2 Kg) | 151-3160-S10 |
$18,200.00
|
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|
14" DN350 | 300 Lb (136.08 Kg) | SCH XS | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 4.75" (121mm) | 386 Lb (175 Kg) | 151-3140-SXS |
$15,600.00
|
||
|
14" DN350 | 300 Lb (136.08 Kg) | SCH 80 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 4.75" (121mm) | 386 Lb (175 Kg) | 151-3140-S80 |
$15,600.00
|
||
|
14" DN350 | 300 Lb (136.08 Kg) | SCH 60 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 4.75" (121mm) | 386 Lb (175 Kg) | 151-3140-S60 |
$15,600.00
|
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|
14" DN350 | 300 Lb (136.08 Kg) | SCH 40 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 4.75" (121mm) | 386 Lb (175 Kg) | 151-3140-S40 |
$15,600.00
|
||
|
14" DN350 | 300 Lb (136.08 Kg) | SCH 30/STD | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 4.75" (121mm) | 386 Lb (175 Kg) | 151-3140-S30 |
$15,600.00
|
||
|
14" DN350 | 300 Lb (136.08 Kg) | SCH 20 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 4.75" (121mm) | 386 Lb (175 Kg) | 151-3140-S20 |
$15,600.00
|
||
|
14" DN350 | 300 Lb (136.08 Kg) | SCH 140 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 4.75" (121mm) | 386 Lb (175 Kg) | 151-3140-S140 |
$15,600.00
|
||
|
14" DN350 | 300 Lb (136.08 Kg) | SCH 120 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 4.75" (121mm) | 386 Lb (175 Kg) | 151-3140-S120 |
$15,600.00
|
||
|
14" DN350 | 300 Lb (136.08 Kg) | SCH 10/10S/5 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 4.75" (121mm) | 386 Lb (175 Kg) | 151-3140-S1010S5 |
$15,600.00
|
||
|
14" DN350 | 300 Lb (136.08 Kg) | SCH 100 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 4.75" (121mm) | 386 Lb (175 Kg) | 151-3140-S100 |
$15,600.00
|
||
|
12" DN300 | 300 Lb (136.08 Kg) | SCH XS | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 4.75" (121mm) | 332 Lb (150 Kg) | 151-3120-SXS |
$10,500.00
|
||
|
12" DN300 | 300 Lb (136.08 Kg) | SCH 80 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 4.75" (121mm) | 332 Lb (150 Kg) | 151-3120-S80 |
$10,500.00
|
||
|
12" DN300 | 300 Lb (136.08 Kg) | SCH 60 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 4.75" (121mm) | 332 Lb (150 Kg) | 151-3120-S60 |
$10,500.00
|
||
|
12" DN300 | 300 Lb (136.08 Kg) | SCH 40/STD | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 4.75" (121mm) | 332 Lb (150 Kg) | 151-3120-S40 |
$10,500.00
|
||
|
12" DN300 | 300 Lb (136.08 Kg) | SCH 30 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 4.75" (121mm) | 332 Lb (150 Kg) | 151-3120-S30 |
$10,500.00
|
||
|
12" DN300 | 300 Lb (136.08 Kg) | SCH 20 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 4.75" (121mm) | 332 Lb (150 Kg) | 151-3120-S20 |
$10,500.00
|
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|
12" DN300 | 300 Lb (136.08 Kg) | SCH 10S/5 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 4.75" (121mm) | 332 Lb (150 Kg) | 151-3120-S105 |
$10,500.00
|
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|
10" DN250 | 300 Lb (136.08 Kg) | SCH 80 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 4.5" (114mm) | 230 Lb (104 Kg) | 151-3100-S80 |
$8,500.00
|
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|
10" DN250 | 300 Lb (136.08 Kg) | SCH 60/XS | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 4.5" (114mm) | 230 Lb (104 Kg) | 151-3100-S60XS |
$8,500.00
|
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|
10" DN250 | 300 Lb (136.08 Kg) | SCH 5 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 4.5" (114mm) | 230 Lb (104 Kg) | 151-3100-S5 |
$8,500.00
|
||
|
10" DN250 | 300 Lb (136.08 Kg) | SCH 40/STD | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 4.5" (114mm) | 230 Lb (104 Kg) | 151-3100-S40 |
$8,500.00
|
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|
10" DN250 | 300 Lb (136.08 Kg) | SCH 30 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 4.5" (114mm) | 230 Lb (104 Kg) | 151-3100-S30 |
$8,500.00
|
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|
10" DN250 | 300 Lb (136.08 Kg) | SCH 20 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 4.5" (114mm) | 230 Lb (104 Kg) | 151-3100-S20 |
$8,500.00
|
||
|
10" DN250 | 300 Lb (136.08 Kg) | SCH 10S | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 4.5" (114mm) | 230 Lb (104 Kg) | 151-3100-S10S |
$8,500.00
|
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|
10" DN250 | 300 Lb (136.08 Kg) | SCH 100 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 4.5" (114mm) | 230 Lb (104 Kg) | 151-3100-S100 |
$8,500.00
|
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|
8" DN300 | 300 Lb (136.08 Kg) | SCH XXS | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 3.25" (82.5mm) | 150 Lb (68 Kg) | 151-3080-SXXS |
$5,900.00
|
||
|
8" DN300 | 300 Lb (136.08 Kg) | SCH 80 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 3.25" (82.5mm) | 150 Lb (68 Kg) | 151-3080-S80 |
$5,900.00
|
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|
8" DN300 | 300 Lb (136.08 Kg) | SCH 60 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 3.25" (82.5mm) | 150 Lb (68 Kg) | 151-3080-S60 |
$5,900.00
|
||
|
8" DN300 | 300 Lb (136.08 Kg) | SCH 40 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 3.25" (82.5mm) | 150 Lb (68 Kg) | 151-3080-S40 |
$5,900.00
|
||
|
8" DN300 | 300 Lb (136.08 Kg) | SCH 160 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 3.25" (82.5mm) | 150 Lb (68 Kg) | 151-3080-S160 |
$5,900.00
|
||
|
8" DN300 | 300 Lb (136.08 Kg) | SCH 140 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 3.25" (82.5mm) | 150 Lb (68 Kg) | 151-3080-S140 |
$5,900.00
|
||
|
8" DN300 | 300 Lb (136.08 Kg) | SCH 120 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 3.25" (82.5mm) | 150 Lb (68 Kg) | 151-3080-S120 |
$5,900.00
|
||
|
8" DN300 | 300 Lb (136.08 Kg) | SCH 100 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 3.25" (82.5mm) | 150 Lb (68 Kg) | 151-3080-S100 |
$5,900.00
|
||
|
6" DN250 | 300 Lb (136.08 Kg) | SCH 80 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 3" (76.2mm) | 90 Lb (40.8 Kg) | 151-3060-S80 |
$5,100.00
|
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|
6" DN250 | 300 Lb (136.08 Kg) | SCH 40 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 3" (76.2mm) | 90 Lb (40.8 Kg) | 151-3060-S40 |
$5,100.00
|
||
|
6" DN250 | 300 Lb (136.08 Kg) | SCH 160 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 3" (76.2mm) | 90 Lb (40.8 Kg) | 151-3060-S160 |
$5,100.00
|
||
|
6" DN250 | 300 Lb (136.08 Kg) | SCH 120 | 1,125 Psi (77.6 Bar) | 12-3/4" (324mm) | 3" (76.2mm) | 90 Lb (40.08 Kg) | 151-3060-S120 |
$5,100.00
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