HAMMER UNIONS

LCS Oil Tools offers a comprehensive range of standard and sour gas Hammer Unions. Each union is thoroughly inspected to ensure long, dependable service in the most extreme conditions.

  • Three Lug Nuts And Self-Locking ACME Threads Provide Quick Make-Up And Break-Out.
  • Three Lug Nuts And Self-Locking ACME Threads Provide Quick Make-Up And Break-Out.
  • Color Coded For Quick Identification.
  • Unique Identification For Sour Gas Unions.
  • Meet Or Exceed National Association Of Corrosion Engineers Standard NACE MR-01-75 And API RP-14E.
  • Manufactured From Quality Steel Meeting ASTM And/Or AISI Standards.
  • All Unions Provide Pressure-Tight & Positive Sealing For Low-Pressure Services (500 To 2,000 PSI).
  • The Spherical Surface Male Sub And Angular Surface Female Sub Form A Metal-To-Metal Seal, The Ball And Tangent Provides A Perfect Seal.
  • Range From 1/2” To 12” With Cold Working Pressures From 500 To 20,000 PSI.
  • Fully Interchangeable With Most Major Brands Of Hammer Unions.


    • Specifications For Threaded And Butt Weld Hammer Unions.


    * Indicates different Cold Working Pressure due to other design factor – Difference as shown below:

  • 5”, 6”, 12”: Figure 400, Cold Working Pressure 2,500 PSI & Test Pressure 4,000 PSI.
  • 5”, 6” : Figure 1002 Butt weld, Cold Working Pressure 7,500 PSI & TestPressure 11,250 PSI Std. Service.
  • 4”, 5” : Figure 1003 Butt weld, Cold Working Pressure 7,500 PSI & TestPressure 11,250 PSI Std. Service.
  • 5”, 6” : Figure 1002 Butt weld, Cold Working Pressure 5,000 PSI & TestPressure 7,500 PSI Sour Service.
  • 4”, 5” : Figure 1003 Butt weld, Cold Working Pressure 5,000 PSI & TestPressure 7,500 PSI Sour Service.
  • 1/2” : Figure 300, Cold Working Pressure 15,000 PSI & Test Pressure 20,000 PSI, Zinc Plated.

    • Fig. 50 Union

  • These Hammer Unions Are Recommended For Suction And Low Pressure Lines.
  • Available In Threaded And Socket Weld Ends.

    • Size Nut Radius Length Total Pressure (PSI) Rating Weight (LBS)
    Standard Sour Gas
    4 5.13 6.20 500 750 27.00
    5 5.22 5.60 500 750 22.40

    Fig. 100 Union

  • These Hammer Unions Are Used In Low Pressure Manifold Lines And Air, Water, Oil Or Gas Applications.
  • Available In Both Threaded And Butt Weld Ends.
  • Metal To Metal Sealing Surface.

    • Size Nut Radius Length Total Pressure (PSI) Rating Rating Weight (LBS)
    Standard Service Sour Gas Service
    Inches Inches Inches Cold Working Test Cold Working Test (Approx.)
    2 2.90 3.23 1,000 1,500 N/A N/A 5.63
    2-1/2 3.60 4.25 1,000 1,500 N/A N/A 11.47
    3 4.00 4.59 1,000 1,500 N/A N/A 13.80
    4 4.70 4.94 1,000 1,500 N/A N/A 19.42
    5 5.80 6.00 1,000 1,500 N/A N/A 32.50
    6 6.50 6.84 1,000 1,500 N/A N/A 46.21
    8 7.87 7.31 1,000 1,500 N/A N/A 69.88

    Fig. 200 Union

  • These Hammer Unions Are Used In General Service Manifold Lines And Air, Water, Oil Or Gas Applications.
  • Available In Both Threaded And Butt Weld Ends.
  • Metal To Metal Sealing Surface.

    • Size Nut Radius Length Total Pressure (PSI) Rating Weight (LBS)
    Standard Service Sour Gas Service
    Inches Inches Inches Cold Working Test Cold Working Test (Approx.)
    1 1.96 2.65 2,000 3,000 2,000 3,000 1,75
    1-1/4 2.17 2.78 2,000 3,000 2,000 3,000 2.37
    1-1/2 2.41 2,98 2,000 3,000 2,000 3,000 3.29
    2 2.90 3.17 2,000 3,000 2,000 3,000 5.47
    2-1/2 3.63 4.13 2,000 3,000 2,000 3,000 10.00
    3 4,26 4,58 2,000 3,000 2,000 3,000 15.03
    4 5.00 4.94 2,000 3,000 2,000 3,000 20.95
    5 5.50 6.55 2,000 3,000 2,000 3,000 33.26
    6 6.43 6.66 2,000 3,000 2,000 3,000 42.50
    8 7,43 7.19 2,000 3,000 2,000 3,000 64.00
    10 9.00 9.13 2,000 3,000 2,000 3,000 91.00

    Fig. 206 Union

  • These Hammer Unions Are Similar To Fig 200 With A Secondary Seal To Supplement The Metal-To-Metal Design.
  • Recommended For Use In Corrosive Environments.
  • Available In Both Threaded And Butt Weld Ends.

    • Size Nut Radius Length Total Pressure (PSI) Rating Weight (LBS)
    Standard Service Sour Gas Service
    Inches Inches Inches Cold Working Test Cold Working Test (Approx.)
    1 1.96 2.65 2,000 3,000 2,000 3,000 1.75
    1-1/4 2.17 2,78 2,000 3,000 2,000 3,000 2.37
    1-1/2 2.41 2.98 2,000 3,000 2,000 3,000 3.29
    2 2.90 3.17 2,000 3,000 2,000 3,000 5.47
    2-1/2 3.63 4.13 2,000 3,000 2,000 3,000 10.00
    3 4.26 4.58 2,000 3,000 2,000 3,000 15.03
    4 5.00 4.94 2,000 3,000 2,000 3,000 20.95
    5 5.50 6.55 2,000 3,000 2,000 3,000 33.26
    6 6.43 6.66 2,000 3,000 2,000 3,000 42.50
    8 7.43 7.19 2,000 3,000 2,000 3,000 64.00
    10 9.00 9.13 2,000 3,000 2,000 3,000 91.00

    Fig. 207 Union

  • Fig 207 Hammer Unions Are Fully Interchangeable With Figure 200 And 206 Unions.
  • Used To Blank Off The End Of A Line.
  • O-Ring Is Provided In Blanking Cap To Ensure Leak Proof Seal.
  • Available In Both Threaded And Buttweld Ends.

    • Size Nut Radius Length Total Pressure (PSI) Rating Weight (LBS)
    Standard Service Sour Gas Service
    Inches Inches Inches Cold Working Test Cold Working Test (Approx.)
    3 2.75 3.87 2,000 3,000 2,000 3,000 9.80
    4 3.59 4.38 2,000 3,000 2,000 3,000 16.25
    5 4.25 4.91 2,000 3,000 2,000 3,000 28.30
    6 4.92 5.60 2,000 3,000 2,000 3,000 45.88

    Fig. 300 Union

  • These Hammer Unions Have A Flat Face Design Which Permits Straight Breakout For Lateral Removal Of Valves And Other Fittings For Inspection Or Replacement.
  • Available In Threaded Ends.

    • Size Nut Radius Length Total Pressure (PSI) Rating Weight (LBS)
    Standard Service Sour Gas Service
    Inches Inches Inches Cold Working Test Cold Working Test (Approx.)
    1/2 1.80 3.00 15,000 20,000 N/A N/A 1.80
    1 2,13 2,63 2,000 3,000 N/A N/A 2,00
    2 2.88 3.75 2,000 3,000 N/A N/A 2.50

    Fig. 400 Union

  • These Hammer Unions Are Used In Manifold & Line Connections, Pump Suction And Mud Services.
  • Available In Both Threaded And Butt Weld Ends.
  • O-Ring Is Provided In Blanking Cap To Ensure Leak Proof Seal.
  • 3" Through 12" Sizes Have O-Ring For Primary Seal.

    • Size Nut Radius Length Total Pressure (PSI) Rating Weight (LBS)
    Standard Service Sour Gas Service
    Inches Inches Inches Cold Working Test Cold Working Test (Approx.)
    2 3.54 5.13 4,000 6,000 4,000 6,000 12.46
    3 4.17 6.14 4,000 6,000 4,000 6,000 20.13
    4 5.04 8.18 4,000 6,000 4,000 6,000 31.24
    5 6.70 11.10 2,500 4,000 2,500 4,000 49.60
    6 7.70 11.40 2,500 4,000 2,500 4,000 63.47
    12 10.26 10.90 2,500 4,000 2,500 4,000 164.90

    Fig. 602 Union

  • These Hammer Unions Are Used In Water, Oil, Gas And Mud Service.
  • Replaceable, Lip Type Rubber Seal Provides Primary Sealing.
  • Available In Both Threaded And Butt Weld Ends.

    • Size Nut Radius Length Total Pressure (PSI) Rating Weight (LBS)
    Standard Service Sour Gas Service
    Inches Inches Inches Cold Working Test Cold Working Test (Approx.)
    1 2,19 3.53 6,000 9,000 6,000 9,000 3.50
    1-1/4 3.08 4.80 6,000 9,000 6,000 9,000 9.01
    1-1/2 3.10 4.90 6,000 9,000 6,000 9,000 9.17
    2 3,70 5.30 6,000 9,000 6,000 9,000 13.78
    3 4.50 6.20 6,000 9,000 6,000 9,000 22.76
    4 5.19 8.18 6,000 9,000 6,000 9,000 34.96

    Fig. 1002 Union

  • These Hammer Unions Are Used In High Pressure Applications For Choke And Kill Lines, Cementing And Acidizing. Replaceable, Lip Type Rubber Seal Provides Primary Sealing Up To 4".
  • 5" And 6" Sizes Have O-Ring For Primary Sealing.
  • Available In Both Threaded And Butt Weld Ends.
  • 6" Unions Are Only Available In Butt Weld For Sour Service.

    • Size Nut Radius Length Total Pressure (PSI) Rating Weight (LBS)
    Standard Service Sour Gas Service
    Inches Inches Inches Cold Working Test Cold Working Test (Approx.)
    1 2.19 3.55 10,000 15,000 7,500 11,250 3.50
    1-1/4 3.08 4.88 10,000 15,000 7,500 11,250 9.01
    1-1/2 3.10 4.90 10,000 15,000 7,500 11,250 9.17
    2 3.70 5.30 10,000 15,000 7,500 11,250 13.78
    3 4.50 6.20 10,000 15,000 7,500 11,250 22.53
    4 5.20 8.20 10,000 15,000 7,500 11,250 34.91
    5 6.26 9.13 7,500 11,250 5,000 7,500 66.57
    6 7.00 7.60 7,500 11,250 5,000 7,500 92.15

    Fig. 1003 Union

  • These Hammer Unions Are Used In Air, Water, Oil, Mud, Gas Service, High Pressure Manifold, Drilling Rig Where Alignment Of Piping Components Is A Problem.
  • Replaceable O-Ring On Male Sub Provides Primary Sealing.
  • Available In Both Threaded And Butt Weld Ends.
  • 5" Unions Are Available In Butt Weld Ends Only.

    • Size Nut Radius Length Total Pressure (PSI) Rating Weight (LBS)
    Standard Service Sour Gas Service
    Inches Inches Inches Cold Working Test Cold Working Test (Approx.)
    3 4.80 8.87 10,000 15,000 7,500 11,250 47.50
    4 6.00 10.90 7,500 11,250 5,000 7,500 78.15
    5 6.00 10.90 7,500 11,250 5,000 7,500 79.62

    Fig. 1004 Union

  • Available In Threaded & Butt Weld Ends.
  • Face Of Male & Female Subs Is Perfectly Square.
  • Provided With Lip Type Seal Ring.

    • Size Nut Radius Length Total Pressure (PSI) Rating Weight (LBS)
    Standard Service Sour Gas Service
    Inches Inches Inches Cold Working Test Cold Working Test (Approx.)
    5 6.00 8.25 10,000 15,000 7,500 11,250 85.00
    6 7,25 9.38 10,000 15,000 7,500 11,250 140.00

    Fig. 1502 Union

  • These Hammer Unions Are Used In Cementing, Acidizing, Choke And Kill Lines.
  • Replaceable Lip Type Rubber Seal.
  • Available In Both Threaded And Butt Weld Ends.

    • Size Nut Radius Length Total Pressure (PSI) Rating Weight (LBS)
    Standard Service Sour Gas Service
    Inches Inches Inches Cold Working Test Cold Working Test (Approx.)
    1 2,76 4.38 15,000 22,500 10,000 15,000 9.12
    1-1/2 3.50 4.50 15,000 22,500 10,000 15,000 16.30
    2 4.00 7.00 15,000 22,500 10,000 15,000 20.11
    3 4.88 7.64 15,000 22,500 10,000 15,000 34.10
    4 6.02 8.57 15,000 22,500 10,000 15,000 72.68
    5 6.53 9.00 15,000 22,500 10,000 15,000 95.00
    6 7.20 9.75 15,000 22,500 10,000 15,000 145.00

    Fig. 2002 Union

  • Replaceable Lip Type Rubber Seal.
  • Available In Butt Weld Ends Only.
  • Windlass 3" Hammer Unions Are Sometimes Referred To As 2-1/2" Respectively By Other Manufacturers.

    • Size Nut Radius Length Total Pressure (PSI) Rating Weight (LBS)
    Standard Service Sour Gas Service
    Inches Inches Inches Cold Working Test Cold Working Test (Approx.)
    2 2.75 4.67 20,000 30,000 N/A N/A 8.20
    3 3.50 4.50 20,000 30,000 N/A N/A 16,30

    Fig. 2202 Union

  • These Hammer Unions Are Specially Designed For Sour Gas Service.
  • Replaceable Lip Type Rubber Seal With Stainless Steel Anti Extrusion Ring.
  • Conform To NACE Standard MR-01-75 And API RP-14E.
  • Available In Butt Weld Ends Only.
  • Windlass 3" & 4" Hammer Unions Are Sometimes Referred To As 2-1/2" And 3" Respectively By Other Manufacturers.

    • Size Nut Radius Length Total Pressure (PSI) Rating Weight (LBS)
    Standard Service Sour Gas Service
    Inches Inches Inches Cold Working Test Cold Working Test (Approx.)
    2 2,75 4.69 N/A N/A 15,000 22,500 8.20
    3 3.50 4.50 N/A N/A 15,000 22,500 16.40
    4 4.00 7.00 N/A N/A 15,000 22,500 21.50

    Fig. 6666 Union

  • Available In Threaded Ends Only.

    • Size Nut Radius Length Total Pressure (PSI) Rating Weight (LBS)
    Standard Service Sour Gas Service
    Inches Inches Inches Cold Working Test Cold Working Test (Approx.)
    1-1/2 2.83 4.19 6,000 9,000 N/A N/A 6.6
    2 3.46 5.85 6,000 9,000 N/A N/A 12.58

    G-Type 10,000 PSI Union

  • Available In Threaded Ends Only.

    • Size Nut Radius Length Total Pressure (PSI) Rating Weight (LBS)
    Standard Service Sour Gas Service
    Inches Inches Inches Cold Working Test Cold Working Test (Approx.)
    1-1/2 3 4.14 10,000 15,000 N/A N/A 8.25
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