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Introduction of Threaded Union
ASTM A182 threaded union is a pipe fitting that is connected in a threaded form and is the most common type of pipe fitting in industry. It's production according to the American standard MSS SP-83, which makes the threaded union convenient and reliable when connecting pipelines.
Threaded unions make a connection by attaching two threaded pieces, one male and the other female. Male threads need to insert into female threads.
ASTM A182 threaded union is widely used in building to convey natural gas or fuel and is also a popular choice in fire sprinkler systems due to its resistance to mechanical damage and high heat (including the threaded joints).
Specification of ASTM A182 Threaded Union
ASTM A182 standard specification is for forged and rolled alloy and stainless steel pipe fittings, valves and parts for high temperature service. Common grades of alloy steel is Grade F5, F9, F11, F22, stainless steel F304/L and F316/L.
Standard | ASME/ANSI B16.11 |
Diameter Range | 1/8 to 4 inch/DN6-DN100 |
Pressure Rate | 3000Ib,6000Ib,9000Ib |
Material | ASTM A182 F5/9/11/12/22/91/92 ASTM A182 F304/304L/304H-316/316L-317-310S-321-347-904L |
Referenced Weight Chart for Union
Nominal Size | Union | |
DN | NPS | 3000 |
6 | 1/8 | 0.25 |
8 | 1/4 | 0.30 |
10 | 3/8 | 0.35 |
15 | 1/2 | 0.46 |
20 | 3/4 | 0.61 |
25 | 1 | 0.85 |
32 | 11/4 | 1.35 |
40 | 11/2 | 1.92 |
50 | 2 | 2.85 |
65 | 21/2 | 4.90 |
80 | 3 | 7.10 |
How to Install Threaded Union
Installation: Thread both ends of the pipe union fitting on to the pipe or fittings you want to connect. Then use the center nut to join the two ends together, which will in turn connect the pipes or fittings.
Where can Threaded Union Applied
Unions are used on pipe systems, including plumbing that soldered, brazed, welded, solvent welded or threaded connections. Unions are used at fixture and equipment connections and to effect repairs and tie-ins for adding to an existing piping system. Unions should not be installed in inaccessible locations.
Introduction of Threaded Union
ASTM A182 threaded union is a pipe fitting that is connected in a threaded form and is the most common type of pipe fitting in industry. It's production according to the American standard MSS SP-83, which makes the threaded union convenient and reliable when connecting pipelines.
Threaded unions make a connection by attaching two threaded pieces, one male and the other female. Male threads need to insert into female threads.
ASTM A182 threaded union is widely used in building to convey natural gas or fuel and is also a popular choice in fire sprinkler systems due to its resistance to mechanical damage and high heat (including the threaded joints).
Specification of ASTM A182 Threaded Union
ASTM A182 standard specification is for forged and rolled alloy and stainless steel pipe fittings, valves and parts for high temperature service. Common grades of alloy steel is Grade F5, F9, F11, F22, stainless steel F304/L and F316/L.
Standard | ASME/ANSI B16.11 |
Diameter Range | 1/8 to 4 inch/DN6-DN100 |
Pressure Rate | 3000Ib,6000Ib,9000Ib |
Material | ASTM A182 F5/9/11/12/22/91/92 ASTM A182 F304/304L/304H-316/316L-317-310S-321-347-904L |
Referenced Weight Chart for Union
Nominal Size | Union | |
DN | NPS | 3000 |
6 | 1/8 | 0.25 |
8 | 1/4 | 0.30 |
10 | 3/8 | 0.35 |
15 | 1/2 | 0.46 |
20 | 3/4 | 0.61 |
25 | 1 | 0.85 |
32 | 11/4 | 1.35 |
40 | 11/2 | 1.92 |
50 | 2 | 2.85 |
65 | 21/2 | 4.90 |
80 | 3 | 7.10 |
How to Install Threaded Union
Installation: Thread both ends of the pipe union fitting on to the pipe or fittings you want to connect. Then use the center nut to join the two ends together, which will in turn connect the pipes or fittings.
Where can Threaded Union Applied
Unions are used on pipe systems, including plumbing that soldered, brazed, welded, solvent welded or threaded connections. Unions are used at fixture and equipment connections and to effect repairs and tie-ins for adding to an existing piping system. Unions should not be installed in inaccessible locations.
