ASME B16.11 Union Dimensions
ISO Approved Stainless Steel Threaded Union Manufacturer In India And Standard Specification Of ASTM A105 Screwed Unions.
ASME B16.11 Union
Stainless Steel Threaded Union
Carbon Steel Threaded Union
Table of contents
- What Is A Threaded Union?
- How Does A Threaded Union Work?
- What Is A Union Fitting Used For?
- Threaded Reducing Union Specification
- Carbon Steel Threaded Union Price List
- MSS-SP-83 Union Pressure Rating Class
- ASME B16.11 Union Dimensions
- Stainless Steel Threaded Union Weight Chart
- ASME B16.11 Threaded Union Tolerance Formula
- Various Types Of ASME B16.11 Threaded Union
ASME B16.11 Threaded Union
MSS-SP-83 Union
Copper Threaded Union
What Is A Threaded Union?
ASME B16.11 Union is a threaded pipe fitting that is used to connect two pipes or two more fittings at each end. The Stainless Steel Threaded Union is the most common form of union with a male thread, female thread and a nut in the middle. The Threaded Union Dimensions differ according to the pipe system it connects with and the standards mandated. The different materials call for different strengths and mechanical properties of the union in various types such as the Alloy Steel Screwed Union and the ASTM A182 SS Threaded Unions. A Screwed Union has the advantage of dismantling as needed. Unlike most other pipe fitting connections, the Forged Threaded Union can be fitted without welding. There are different standards such as the BS3799 Screwed Forged Union and the Forged Threaded Union which have different physical and mechanical properties.
How Does A Threaded Union Work?
The most used is the ASME B16.11 Union and its variations like the Carbon Steel Threaded Union. Their strength is increased in the Threaded Forged Union by the forged production methods. Due to the strength, the Forged Threaded Union can be applied in smaller pipe diameters up to 4 inches but with high stress or pressure environments. They can withstand different pressure levels according to their dimensions and their material makes such as the Screwed Union 3000LB Threaded.
What Is A Union Fitting Used For?
The ASME B16.11 Union for instance can withstand pressures up to 3000lbs in connections. The threads in Forged Screwed Union make them better choice for application where maintenance demands dismantling of pipe fittings from time to time. Some high strength applications require special material unions such as the Duplex Steel Threaded Unions which are very much corrosion resistant and have a high tensile and yield strength. These are used in ordinary water lines for domestic purpose to much higher precision systems like in the petroleum industry piping.
Check 300# Carbon Steel Threaded Union Male/ Female Price List, Schedule Chart Of ASME B16.11 Threaded Union As Per ANSI B16.11.
Threaded Reducing Union Specification
| Specification : | ASME B16.11 Union |
|---|---|
| Pressure Rating | Threaded Fittings = Class 2000, Class 3000, Class 6000 |
| Type Of Pipe systems | 45 Deg Elbow, Equal tee, Full Coupling, Reducing Tee, 90 Deg Elbow, Half Coupling, Street Elbow, Bull Plug, Boss, Union (Male/Female), Lateral Outlet, 45 Lateral Tee, Equal Cross, Pipe Cap, Branch Outlets, Swage Nipple. |
| Material | Stainless Steel (ASTM-182) Carbon Steel (ASTM-105) Alloy Steel (ASTM-182) Low Alloy Steel (ASTM-350) Duplex Steel Cooper Nickel |
| Thread Connections | ASME B16.11 (Socket Welding and Threaded), MSS-SP-83 (Class Unions), ASME B16.3 (Malleable Iron Fittings), ASME B16.4 ( Gray Iron Fittings), ASME B16.39 (Malleable Iron Unions), ASME B16.34 (Valves — Flanged), ASME B16.39 (Malleable Iron Pipe Unions, 150#, 250#, Or 300#). |
| Standards | ASME B16.11 (American Standard), Bs3799, MSS SP 79, JIS B2302, MSS-SP-97 (Threadolet), MSS-SP-83 (Union), ASME B36.19 (Nipple) |
| Types Of Thread | NPT, BSPP, BSPT, PF, PT, MPT |
| Applications | Oil and Gas Chemical Power station Water Pipeline Noncritical Applications Fire Protection |
| Advantages | Simple Usage Easy installation Economic as cheaper |
| Size | Threaded Fittings = ½” – 4” |
Carbon Steel Threaded Union Price List
| Size | Class | Material | Price In US($) |
| Hexagonal Union: 1 NPS | Class 3000 | ASTM A105 | $2.43 |
| Hexagonal Union: 1/2 NPS | Class 3000 | ASTM A105 | $0.87 |
| Hexagonal Union: 1/3 NPS | Class 3000 | ASTM A105 | $1.7 |
| Hexagonal Union: 1/4 NPS | Class 3000 | ASTM A105 | $1.97 |
| Hexagonal Union: 2 NPS | Class 3000 | ASTM A105 | $4.86 |
Please note this is an approx Price of 1 Inch And 2 Inch Threaded Brass Union in India. For final ASME B16.11 Stainless Steel Threaded Union Price List Please Call on +91 - 22 - 67437342 or drop an Email to info@rajtilakmetal.com.
Accept All Small And Large Orders Of ASME B16.11 Union In Mumbai, India, Temperature Ratings Of 3/4 Threaded Brass Unions.
MSS-SP-83 Union Pressure Rating Class
| ASME B16.11 Union Temperature | |||||
|---|---|---|---|---|---|
| Temperature | Class | ||||
| 150 | 300 | ||||
| 1/4 - 1 inch. | 1 1/4 - 2 inch. | 2 1/2 - 3 inch. | |||
| (oF) | (oC) | ||||
| -20 to 150 | -29 to 66 | 300 | 2000 | 1500 | 1000 |
| 200 | 93 | 265 | 1785 | 1350 | 910 |
| 250 | 121 | 225 | 1575 | 1200 | 825 |
| 300 | 149 | 185 | 1360 | 1050 | 735 |
| 350 | 177 | 150 | 1150 | 900 | 650 |
| 400 | 204 | - | 935 | 750 | 560 |
| 450 | 232 | - | 725 | 600 | 475 |
| 500 | 260 | - | 510 | 450 | 385 |
| 550 | 288 | - | 300 | 300 | 300 |
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ASME B16.11 Union Dimensions
| Dimensions Of ASME B16.11 Union In Millimeter |
||||||||||||
| NPS (Normal Pipe Sizes) | Minimum Pipe End | Diameter Of Socket Bore | Minimum Of Socket Wall | Water Way Bore | Laying Length | Minimum Of Male Flange | Minimum Nut | Maximum Threads Per 25.4 | Minimum Bearing | Minimum Depth of Socket | Length Assem. Nominal | Clear Assem. Nut |
| A | B | C | D | E | F | G | H | J | K | L | N | |
| 1/8 | 21.8 | 10.92 10.67 |
3.17 | 6.83 6.43 |
22.4 19.0 |
3.17 | 3.17 | 16 | 1.24 | 9.6 | 41.1 | 49.0 |
| ¼ | 21.8 | 14.22 13.97 |
3.30 | 9.85 9.45 |
22.4 19.0 |
3.17 | 3.17 | 19 | 1.24 | 9.6 | 41.4 | 49.0 |
| 3/8 | 25.9 | 17.78 17.53 |
3.48 | 13.92 13.51 |
26.9 20.6 |
3.43 | 3.43 | 14 | 1.37 | 9.6 | 46.0 | 55.0 |
| ½ | 31.2 | 21.84 21.59 |
4.06 | 17.47 17.07 |
26.9 20.6 |
3.68 | 3.68 | 14 | 1.50 | 9.6 | 49.0 | 57.0 |
| ¾ | 37.1 | 27.18 26.92 |
4.27 | 21.79 21.39 |
31.8 25.4 |
4.06 | 4.06 | 11 | 1.68 | 12.7 | 56.9 | 67.0 |
| 1 | 45.5 | 34.04 33.78 |
4.95 | 28.14 27.74 |
34.3 26.2 |
4.57 | 4.44 | 11 | 1.85 | 12.7 | 62.0 | 79.0 |
| 11/4 | 54.9 | 42.67 42.42 |
5.28 | 35.76 35.36 |
40.6 32.5 |
5.33 | 5.21 | 11 | 2.13 | 12.7 | 71.1 | 94.0 |
| 11/2 | 61.5 | 48.77 48.51 |
5.54 | 41.61 41.20 |
42.2 34.0 |
5.84 | 5.59 | 10 | 2.31 | 12.7 | 75.5 | 111.0 |
| 2 | 75.2 | 61.47 61.21 |
6.05 | 52.53 52.12 |
45.3 37.3 |
6.60 | 6.35 | 10 | 2.69 | 15.8 | 86.1 | 132.0 |
| 21/2 | 91.7 | 74.17 73.66 |
7.65 | 64.72 64.31 |
61.7 52.1 |
7.49 | 7.11 | 8 | 3.07 | 15.8 | 102.4 | 148.0 |
| 3 | 109.2 | 90.17 89.66 |
8.31 | 77.67 77.27 |
63.8 53.6 |
8.25 | 8.00 | 8 | 3.53 | 15.8 | 109.0 | 175.0 |
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Stainless Steel Threaded Union Weight Chart
ASME B16.11 Threaded Union Tolerance Formula
| ANSI B16.11 American Standard Dimensional Tolerances | ||
|---|---|---|
| "A" - Threaded Center To Bottom | For Size 1/8" And 1/4" | ± 0.03" |
| 3/8", 1/2" And 3/4" | ± 0.06" | |
| 1", 1-1/4", 1-1/2" And 2" | ± 0.08" | |
| 2-1/2", 3", And 4" | ± 0.10" | |
| "B" - Threaded Bore Diameter | For Size 1-1/2" And Smaller | + 0.020" - 0.000" |
| 2", 2-1/2", 3" And 4" | + 0.025" - 0.000" | |
| "C" - Threaded Wall Thick. | Min. = 1.09 T (But Not Less Than 5/32") T = Wall Thickness Of Nominal Pipe Sizes | |
| "D" - Bore Diameter Of Pipe Fitting | For Size 2" And Smaller | ± 0.030" |
| 2-1/2", 3" And 4" | ± 0.060" | |
| "E" - Threadeds- Bottom To Bottom - Full Couplings | For Size 1/8" And 1/4" | ± 0.06" |
| 3/8", 1/2" And 3/4" | ± 0.12" | |
| 1", 1-1/4", 1-1/2" And 2" | ± 0.16" | |
| 2-1/2", 3", And 4" | ± 0.20" | |
| "F" - Bottom Of Threaded To Opposite Face - ANSI B16.11 Half Couplings | For Size 1/8" And 1/4" | ± 0.03" |
| 3/8", 1/2" And 3/4" | ± 0.06" | |
| 1", 1-1/4", 1-1/2" And 2" | ± 0.08" | |
| 2-1/2", 3", And 4" | ± 0.10" | |
| "G" - Gap Of Welding | Approx. 0.06" Before Welding Recommended Gap | |
| "H" - Min. Flat | Min. Flat = 0.75 X Min. Threaded Wall Thick. | |
Various Types Of ASME B16.11 Threaded Union
ASTM A105, MSS-SP-83, 2 Inch, ASME B16.11 Threaded Unions
MSS-SP-83, SA105, 3/4 Inch, 3000 LB, Threaded Brass Unions
ASTM A105, 3000 SCRD, 3/4 Inch, Galvanized Screwed Unions
SA105, 6000 SCRD, 1-1/2 Inch, Threaded Copper Unions
MSS-SP-83, ASTM A182 F316, Class 3000, NPT Ends, Stainless Steel Threaded Weld Unions
Class 3000, 3/4 Inch, MSS-SP-83, Copper Male Threaded Unions
Class 2000, MSS SP 83, DN25, NPT-F, Threaded Unions
NPT, 3 Inch, 5000LB, API 16C, ANSI B16.11 Forged Screwed Unions
ANSI A350, MSS SP 83, CL6000, 1/2 Inch, Duplex Steel Threaded Unions
Class 6000, MSS-SP-83, 3/4 Inch, NPT, Carbon Steel Threaded Unions
ASTM A182 F316L, 1 Inch, 3000LB, NPT Ends, Screwed Forged Unions