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: 1.75
  • 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 = $22.50
5 - 9 = $20.63
10 - 24 = $19.38
25 + = $17.19
Quantity:
+
We show 25 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 = $13.00
10 - 24 = $11.38
25 - 49 = $10.08
50 + = $8.94
Quantity:
+
We show 29 in stock
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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 = $79.61
5 - 9 = $74.79
10 - 24 = $69.96
25 + = $62.73
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 = $26.98
5 - 9 = $24.73
10 - 24 = $23.23
25 + = $20.61
Quantity:
+
We show 31 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 = $27.43
5 - 9 = $25.76
10 - 24 = $24.10
25 + = $22.86
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 = $25.87
5 - 9 = $24.30
10 - 24 = $22.74
25 + = $21.56
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 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 = $22.00
10 - 24 = $19.25
25 - 49 = $17.05
50 + = $15.13
Quantity:
+
We show 47 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: 13.00
  • 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 = $65.47
5 - 9 = $61.50
10 - 24 = $57.54
25 + = $54.56
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. 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 = $50.09
10 - 24 = $45.92
25 - 49 = $43.14
50 + = $38.27
Quantity:
+
We show 28 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 = $55.80
5 - 9 = $51.15
10 - 24 = $48.05
25 + = $42.63
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: 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 = $125.11
5 - 9 = $109.47
10 - 24 = $96.96
25 + = $87.58
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: 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 = $80.00
10 - 24 = $70.00
25 - 49 = $62.00
50 + = $56.00
Quantity:
+
We show 39 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 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: 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 = $350.00
3 - 4 = $306.25
5 - 9 = $271.25
10 + = $245.00
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: 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 = $240.00
10 - 24 = $210.00
25 - 49 = $186.00
50 + = $168.00
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: 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 = $475.20
5 - 9 = $415.80
10 - 24 = $368.28
25 + = $332.64
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.