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What is Threaded Outlet
NPT threaded outlet is an important pipe fitting used for connecting branch pipes which is replacing traditional branch pipe connection types like before reducing tees and reinforcing plates,etc.
Threaded outlet base is the same as the butt welded branch pipe, but its branch connections are threaded and do not require welding.
The main body of NPT threaded outlet is made of high-quality forgings, using the same materials as the pipeline, including carbon steel, alloy steel, stainless steel, and other materials. It is increasingly widely used in high-pressure, high-temperature, large-diameter, and thick walled pipelines.
Specification of Threaded Outlet
Size range | 1/8 "-4"/DN6- DN100 |
Pressure level | Class 3000/6000lbs |
Production standards | MSS SP-97 |
Thread forms | NPT, PT, BSPP, BSPT, PF |
NPT Threaded Outlet Dimension
DN | NPS | DN | NPS | A | D1 | D2 | L | d1 | ||||
3000 | 6000 | 3000 | 6000 | 3000 | 6000 | 3000 | 6000 | |||||
8~900 | 1/4~36 | 6 | 1/8 | 19 | - | 27 | - | 22 | - | 6.7 | 16 | - |
10~900 | 3/8~36 | 8 | 1/4 | 19 | - | 27 | - | 22 | - | 10.2 | 16 | - |
15~900 | 1/2~36 | 10 | 3/8 | 21 | - | 30 | - | 25 | - | 10.4 | 19 | - |
20~900 | 3/4~36 | 15 | 1/2 | 25 | 32 | 38 | 45 | 33 | 42 | 13.6 | 24 | 19 |
25~900 | 1~36 | 20 | 3/4 | 27 | 37 | 47 | 52 | 39 | 48 | 13.9 | 30 | 25 |
32~900 | 1¼~36 | 25 | 1 | 33 | 40 | 56 | 63 | 48 | 58 | 17.3 | 36 | 33 |
40~900 | 1½~36 | 32 | 1¼ | 33 | 41 | 66 | 72 | 58 | 67 | 18.0 | 45 | 38 |
50~900 | 2~36 | 40 | 1½ | 35 | 43 | 75 | 83 | 64 | 77 | 18.4 | 51 | 49 |
65~900 | 2½~36 | 50 | 2 | 38 | 52 | 90 | 104 | 77 | 93 | 19.2 | 65 | 59 |
80~900 | 3~36 | 65 | 2½ | 46 | - | 105 | - | 94 | - | 28.9 | 76 | - |
100~900 | 4~36 | 80 | 3 | 51 | - | 124 | - | 114 | - | 30.5 | 94 | - |
125~900 | 5~36 | 100 | 4 | 57 | - | 154 | - | 140 | - | 33.0 | 121 | - |
NPT Threaded Outlet Weight
Branch Nominal Size | Weight/kg | ||
DN | NPS | 3000 | 6000 |
6 | 1/8 | 0.05 | |
8 | 1/4 | 0.05 | |
10 | 3/8 | 0.09 | |
15 | 1/2 | 0.17 | 0.32 |
20 | 3/4 | 0.22 | 0.47 |
25 | 1 | 0.43 | 0.65 |
32 | 1 1/4 | 0.61 | 0.96 |
40 | 1 1/2 | 0.69 | 1.28 |
50 | 2 | 1.1 | 2.15 |
65 | 2 1/2 | 1.52 | |
80 | 3 | 2.5 | |
100 | 4 | 4.1 | |
NPT Threaded Outlet Material
Carbon Steel | ASTM A105, 20# |
Low Temperature | ASTM A350 LF2, 16Mn |
Pipeline Steel | ASTM A694 F42 / 46 / 56 / 60 / 65 |
Alloy Steel | ASTM A182 F11 / 12 / 5 / 9 / 91 / 92 |
Stainless Steel | ASTM A182 F304/304L/304H, 316/316L, 310S, 317,347,904L |
Duplex Stainless Steel | ASTM A182 F51, F53, F44 |
The duplex stainless steel NPT threaded outlet has demonstrated significant advantages in material properties, structural design, installation and use, as well as economic benefits. These advantages have made duplex stainless steel NPT threaded outlet widely used in pipeline systems and favored by the marke.
Chemical Composition
| CHEMICAL | LIMITS | C | Mn | P | S | Si | Ni | Cr | Mo | N | Cu |
| ASTM A182 F51 | MIN | 4.50 | 21.00 | 2.50 | 0.08 | ||||||
| MAX | 0.03 | 2.00 | 0.030 | 0.020 | 1.00 | 6.50 | 23.00 | 3.50 | 0.20 | ||
| ASTM A182 F53 | MIN | 6.00 | 24.00 | 3.00 | 0.24 | ||||||
| MAX | 0.03 | 1.20 | 0.035 | 0.020 | 0.80 | 8.00 | 26.00 | 5.00 | 0.32 | 0.50 |
Mechanical Properties
| MATERIAL | ASTM A182 F51 | ASTM A182 F53 |
| T.S (MPA) | 620 min | 800 min |
| Y.S (MPA) | 450 min | 550 min |
| EL % | 25 min | 25 min |
| R/A % | 45 min | 15 min |
| HARDNESS | 310 max |
What is Threaded Outlet
NPT threaded outlet is an important pipe fitting used for connecting branch pipes which is replacing traditional branch pipe connection types like before reducing tees and reinforcing plates,etc.
Threaded outlet base is the same as the butt welded branch pipe, but its branch connections are threaded and do not require welding.
The main body of NPT threaded outlet is made of high-quality forgings, using the same materials as the pipeline, including carbon steel, alloy steel, stainless steel, and other materials. It is increasingly widely used in high-pressure, high-temperature, large-diameter, and thick walled pipelines.
Specification of Threaded Outlet
Size range | 1/8 "-4"/DN6- DN100 |
Pressure level | Class 3000/6000lbs |
Production standards | MSS SP-97 |
Thread forms | NPT, PT, BSPP, BSPT, PF |
NPT Threaded Outlet Dimension
DN | NPS | DN | NPS | A | D1 | D2 | L | d1 | ||||
3000 | 6000 | 3000 | 6000 | 3000 | 6000 | 3000 | 6000 | |||||
8~900 | 1/4~36 | 6 | 1/8 | 19 | - | 27 | - | 22 | - | 6.7 | 16 | - |
10~900 | 3/8~36 | 8 | 1/4 | 19 | - | 27 | - | 22 | - | 10.2 | 16 | - |
15~900 | 1/2~36 | 10 | 3/8 | 21 | - | 30 | - | 25 | - | 10.4 | 19 | - |
20~900 | 3/4~36 | 15 | 1/2 | 25 | 32 | 38 | 45 | 33 | 42 | 13.6 | 24 | 19 |
25~900 | 1~36 | 20 | 3/4 | 27 | 37 | 47 | 52 | 39 | 48 | 13.9 | 30 | 25 |
32~900 | 1¼~36 | 25 | 1 | 33 | 40 | 56 | 63 | 48 | 58 | 17.3 | 36 | 33 |
40~900 | 1½~36 | 32 | 1¼ | 33 | 41 | 66 | 72 | 58 | 67 | 18.0 | 45 | 38 |
50~900 | 2~36 | 40 | 1½ | 35 | 43 | 75 | 83 | 64 | 77 | 18.4 | 51 | 49 |
65~900 | 2½~36 | 50 | 2 | 38 | 52 | 90 | 104 | 77 | 93 | 19.2 | 65 | 59 |
80~900 | 3~36 | 65 | 2½ | 46 | - | 105 | - | 94 | - | 28.9 | 76 | - |
100~900 | 4~36 | 80 | 3 | 51 | - | 124 | - | 114 | - | 30.5 | 94 | - |
125~900 | 5~36 | 100 | 4 | 57 | - | 154 | - | 140 | - | 33.0 | 121 | - |
NPT Threaded Outlet Weight
Branch Nominal Size | Weight/kg | ||
DN | NPS | 3000 | 6000 |
6 | 1/8 | 0.05 | |
8 | 1/4 | 0.05 | |
10 | 3/8 | 0.09 | |
15 | 1/2 | 0.17 | 0.32 |
20 | 3/4 | 0.22 | 0.47 |
25 | 1 | 0.43 | 0.65 |
32 | 1 1/4 | 0.61 | 0.96 |
40 | 1 1/2 | 0.69 | 1.28 |
50 | 2 | 1.1 | 2.15 |
65 | 2 1/2 | 1.52 | |
80 | 3 | 2.5 | |
100 | 4 | 4.1 | |
NPT Threaded Outlet Material
Carbon Steel | ASTM A105, 20# |
Low Temperature | ASTM A350 LF2, 16Mn |
Pipeline Steel | ASTM A694 F42 / 46 / 56 / 60 / 65 |
Alloy Steel | ASTM A182 F11 / 12 / 5 / 9 / 91 / 92 |
Stainless Steel | ASTM A182 F304/304L/304H, 316/316L, 310S, 317,347,904L |
Duplex Stainless Steel | ASTM A182 F51, F53, F44 |
The duplex stainless steel NPT threaded outlet has demonstrated significant advantages in material properties, structural design, installation and use, as well as economic benefits. These advantages have made duplex stainless steel NPT threaded outlet widely used in pipeline systems and favored by the marke.
Chemical Composition
| CHEMICAL | LIMITS | C | Mn | P | S | Si | Ni | Cr | Mo | N | Cu |
| ASTM A182 F51 | MIN | 4.50 | 21.00 | 2.50 | 0.08 | ||||||
| MAX | 0.03 | 2.00 | 0.030 | 0.020 | 1.00 | 6.50 | 23.00 | 3.50 | 0.20 | ||
| ASTM A182 F53 | MIN | 6.00 | 24.00 | 3.00 | 0.24 | ||||||
| MAX | 0.03 | 1.20 | 0.035 | 0.020 | 0.80 | 8.00 | 26.00 | 5.00 | 0.32 | 0.50 |
Mechanical Properties
| MATERIAL | ASTM A182 F51 | ASTM A182 F53 |
| T.S (MPA) | 620 min | 800 min |
| Y.S (MPA) | 450 min | 550 min |
| EL % | 25 min | 25 min |
| R/A % | 45 min | 15 min |
| HARDNESS | 310 max |
