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Ductile Iron

Ductile Iron Hammer Unions feature a primary metal-to-metal seal and are suited for 1,000 psi (Figure 100) and 2,000 psi (Figure 200) applications. The metal-to-metal seal remains leak-proof even when one surface is slightly pitted or misaligned.Four different Ductile Iron Hammer Unions
  • Hammer Unions are stocked in sizes from 1" to 8".
  • All Hammer Unions listed here are for threaded pipe.
  • Both domestic and Imported Hammer Unions are stocked.
Sizes are Nominal Pipe Size (NPS) - size chart
Ductile Iron Hammer Unions
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All Hammer Unions sold online are for Threaded Pipe. Buttweld Hammer Unions available by special order.
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Figure 100 - 1,000 psi CWP Figure 200 - 2,000 psi CWP CWP = Cold Working Pressure
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Domestic - Made in the USA. Import - Made elsewhere.

Hammer Unions » Ductile Iron
  • Product Name: HU1.00 FIG. 200 THD
  • SKU: 110169
  • Weight: 2.00
  • End: threaded
  • Figure: figure 200
  • Origin: Domestic
  • Size: 1.00

Description:
HAMMER UNION 2000# NSCWP

FOR 1" PIPE (1.315 O.D.)

Price by Quantity:
1 - 4 = $18.00
5 - 9 = $15.75
10 - 24 = $13.95
25 + = $12.60
Quantity:
+
We show 37 in stock
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All items ship from Houston, TX.

Hammer Unions » Ductile Iron
  • Product Name: HU1.00 FIG. 200 THD IMPORT
  • SKU: 138690
  • Weight: 1.75
  • End: threaded
  • Figure: figure 200
  • Origin: Import
  • Size: 1.00

Description:
HAMMER UNION 2000# NSCWP

Price by Quantity:
1 - 9 = $16.82
10 - 24 = $14.72
25 - 49 = $13.04
50 + = $11.77
Quantity:
+
We show 27 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Hammer Unions » Ductile Iron
  • Product Name: HU1.25 FIG. 200 THD
  • SKU: 110170
  • Weight: 2.50
  • End: threaded
  • Figure: figure 200
  • Origin: Domestic
  • Size: 1.25

Description:
HAMMER UNION 2000# NSCWP

FOR 1-1/4" PIPE (1.66 O.D.)

Price by Quantity:
1 - 4 = $50.00
5 - 9 = $43.75
10 - 24 = $38.75
25 + = $35.00
Quantity:
+
We show 5 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Hammer Unions » Ductile Iron
  • Product Name: HU1.50 FIG. 200 THD IMPORT
  • SKU: 132454
  • Weight: 3.00
  • End: threaded
  • Figure: figure 200
  • Origin: Import
  • Size: 1.50

Description:
HAMMER UNION 2000# NSCWP

Price by Quantity:
1 - 4 = $39.00
5 - 9 = $34.13
10 - 24 = $30.23
25 + = $27.30
Quantity:
+
We show 30 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Hammer Unions » Ductile Iron
  • Product Name: HU2.00 FIG. 100 THD
  • SKU: 109206
  • Weight: 5.75
  • End: threaded
  • Figure: figure 100
  • Origin: Domestic
  • Size: 2.00

Description:
HAMMER UNION 1000# NSCWP

FOR 2" PIPE (2.375 O.D.)

Price by Quantity:
1 - 4 = $40.00
5 - 9 = $35.00
10 - 24 = $31.00
25 + = $28.00
Quantity:
+
We show 10 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Hammer Unions » Ductile Iron
  • Product Name: HU2.00 FIG. 200 THD
  • SKU: 110173
  • Weight: 5.75
  • End: threaded
  • Figure: figure 200
  • Origin: Domestic
  • Size: 2.00

Description:
HAMMER UNION 2000# NSCWP

FOR 2" PIPE (2.375 O.D.)

Price by Quantity:
1 - 4 = $29.00
5 - 9 = $25.38
10 - 24 = $22.48
25 + = $20.30
Quantity:
+
We show 14 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Hammer Unions » Ductile Iron
  • Product Name: HU2.00 FIG. 200 THD IMPORT
  • SKU: 127236
  • Weight: 5.75
  • End: threaded
  • Figure: figure 200
  • Origin: Import
  • Size: 2.00

Description:
HAMMER UNION 2000# NSCWP

Price by Quantity:
1 - 9 = $29.00
10 - 24 = $25.38
25 - 49 = $22.48
50 + = $20.30
Quantity:
+
We show 83 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Hammer Unions » Ductile Iron
  • Product Name: HU3.00 FIG. 100 THD
  • SKU: 109618
  • Weight: 12.85
  • End: threaded
  • Figure: figure 100
  • Origin: Domestic
  • Size: 3.00

Description:
HAMMER UNION 1000# NSCWP

FOR 3" PIPE (3.50 O.D.)

Price by Quantity:
1 - 4 = $70.00
5 - 9 = $61.25
10 - 24 = $54.25
25 + = $49.00
Quantity:
+
We show 17 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Hammer Unions » Ductile Iron
  • Product Name: HU3.00 FIG. 100 THD IMPORT
  • SKU: 140472
  • Weight: 13.00
  • End: threaded
  • Figure: figure 100
  • Origin: Import
  • Size: 3.00

Description:
HAMMER UNION 1000# NSCWP

Price by Quantity:
1 - 9 = $68.00
10 - 24 = $59.50
25 - 49 = $52.70
50 + = $47.60
Quantity:
+
We show 45 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Hammer Unions » Ductile Iron
  • Product Name: HU3.00 FIG. 200 THD
  • SKU: 110172
  • Weight: 14.25
  • End: threaded
  • Figure: figure 200
  • Origin: Domestic
  • Size: 3.00

Description:
HAMMER UNION 2000# NSCWP

FOR 3" PIPE (3.50 O.D.)

Price by Quantity:
1 - 4 = $114.89
5 - 9 = $107.93
10 - 24 = $100.96
25 + = $95.74
Quantity:
+
We show 10 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Hammer Unions » Ductile Iron
  • Product Name: HU3.00 FIG. 200 THD IMPORT
  • SKU: 140783
  • Weight: 14.25
  • End: threaded
  • Figure: figure 200
  • Origin: Import
  • Size: 3.00

Description:
HAMMER UNION 2000# NSCWP

Price by Quantity:
1 - 4 = $70.00
5 - 9 = $61.25
10 - 24 = $54.25
25 + = $49.00
Quantity:
+
We show 34 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Hammer Unions » Ductile Iron
  • Product Name: HU4.00 FIG. 100 THD
  • SKU: 109574
  • Weight: 23.00
  • End: threaded
  • Figure: figure 100
  • Origin: Domestic
  • Size: 4.00

Description:
HAMMER UNION 1000# NSCWP

FOR 4" PIPE (4.50 O.D.)

Price by Quantity:
1 - 4 = $104.62
5 - 9 = $91.54
10 - 24 = $81.08
25 + = $73.23
Quantity:
+
We show 20 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Hammer Unions » Ductile Iron
  • Product Name: HU4.00 FIG. 100 THD IMPORT
  • SKU: 140473
  • Weight: 23.00
  • End: threaded
  • Figure: figure 100
  • Origin: Import
  • Size: 4.00

Description:
HAMMER UNION 1000# NSCWP

Price by Quantity:
1 - 9 = $94.60
10 - 24 = $82.78
25 - 49 = $73.32
50 + = $66.22
Quantity:
+
We show 35 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Hammer Unions » Ductile Iron
  • Product Name: HU4.00 FIG. 200 THD IMPORT
  • SKU: 140784
  • Weight: 18.00
  • End: threaded
  • Figure: figure 200
  • Origin: Import
  • Size: 4.00

Description:
HAMMER UNION 2000# NSCWP

Price by Quantity:
1 - 4 = $130.00
5 - 9 = $113.75
10 - 24 = $100.75
25 + = $91.00
Quantity:
+
We show 26 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Hammer Unions » Ductile Iron
  • Product Name: HU6.00 FIG. 100 THD
  • SKU: 109849
  • Weight: 45.50
  • End: threaded
  • Figure: figure 100
  • Origin: Domestic
  • Size: 6.00

Description:
HAMMER UNION 1000# NSCWP

FOR 6" PIPE (6.625 O.D.)

Price by Quantity:
1 - 2 = $290.00
3 - 4 = $253.75
5 - 9 = $224.75
10 + = $203.00
Quantity:
+
We show 14 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Hammer Unions » Ductile Iron
  • Product Name: HU6.00 FIG. 100 THD IMPORT
  • SKU: 140474
  • Weight: 45.50
  • End: threaded
  • Figure: figure 100
  • Origin: Import
  • Size: 6.00

Description:
HAMMER UNION 1000# NSCWP

Price by Quantity:
1 - 9 = $270.00
10 - 24 = $236.25
25 - 49 = $209.25
50 + = $189.00
Quantity:
+
We show 29 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Hammer Unions » Ductile Iron
  • Product Name: HU6.00 FIG. 200 THD
  • SKU: 110168
  • Weight: 48.00
  • End: threaded
  • Figure: figure 200
  • Origin: Domestic
  • Size: 6.00

Description:
HAMMER UNION 2000# NSCWP

FOR 6" PIPE (6.625 O.D.)

Price by Quantity:
1 - 2 = $587.80
3 - 4 = $514.33
5 - 9 = $455.55
10 + = $411.46
Quantity:
+
We show 10 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Hammer Unions » Ductile Iron
  • Product Name: HU6.00 FIG. 200 THD IMPORT
  • SKU: 140785
  • Weight: 48.00
  • End: threaded
  • Figure: figure 200
  • Origin: Import
  • Size: 6.00

Description:
HAMMER UNION 2000# NSCWP

Price by Quantity:
1 - 4 = $462.00
5 - 9 = $404.25
10 - 24 = $358.05
25 + = $323.40
Quantity:
+
We show 25 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Hammer Unions » Ductile Iron
  • Product Name: HU8.00 FIG. 100 THD
  • SKU: 109096
  • Weight: 57.00
  • End: threaded
  • Figure: figure 100
  • Origin: Domestic
  • Size: 8.00

Description:
HAMMER UNION 1000# NSCWP

FOR 8" PIPE (8.625 O.D.)

Price by Quantity:
1 - 2 = $585.20
3 - 4 = $512.05
5 - 9 = $453.53
10 + = $409.64
Quantity:
+
We show 5 in stock
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To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.

Hammer Unions » Ductile Iron
  • Product Name: HU8.00 FIG. 100 THD IMPORT
  • SKU: 139090
  • Weight: 57.00
  • End: threaded
  • Figure: figure 100
  • Origin: Import
  • Size: 8.00

Description:
HAMMER UNION 1000# NSCWP

Price by Quantity:
1 - 4 = $534.00
5 - 9 = $467.25
10 - 24 = $413.85
25 + = $373.80
Quantity:
+
We show 10 in stock
cart-icon

To estimate shipping please add to cart, click checkout and enter your zipcode on the left.
All items ship from Houston, TX.