HAMMER UNIONS
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HAMMER UNIONS
Windlass 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. Available in stock at our distribution center in Houston & Dubai.
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
Specifications
| 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.) |
| 4 | 5.13 | 6.20 | 500 | 750 | N/A | N/A | 27.00 |
| 5 | 5.22 | 5.60 | 500 | 750 | N/A | N/A | 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
Specifications
| 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 | 2.90 | 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
Specifications
| 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
Specifications
| 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
Specifications
| 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 replacemen
Available in threaded ends
Specifications
| 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
3" through 12" sizes have o-ring for primary seal
Specifications
| 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
Specifications
| 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
Specifications
| 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
Specifications
| 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
Specifications
| Size | Nut Radius | Length Total | Pressure | Rating (PSI) | 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
Specifications
| 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.
Specifications
| 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.
Specifications
| 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
Specifications
| 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
Specifications
| 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 |
