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What is Threaded Half Coupling?
A stainless steel threaded half coupling is a type of plumbing fitting that is used to connect two pipes or fittings together. It is made of corrosion-resistant stainless steel and has threads on one end to allow it to be screwed onto a pipe or fitting. The other end is open and is typically used to connect to another pipe or fitting via welding, threading or other connection method. Half couplings are typically used in applications where a smaller coupling is needed to join two pipes together. They are commonly used in residential plumbing, commercial plumbing, industrial and marine applications.
Difference Between Half Coupling And Full Coupling
- The threaded half coupling differ and depend on the piping it is used in. The stainless steel threaded half coupling is the most used one in terms of the composition material.
- The threaded full coupling is a pipe fitting of short length that has two pipes joined together by threads at both ends
Specifications of ASME B16.11 Threaded Half Coupling
| Kích thước | 1/8″NB TO 4″NB IN (DN6 x DN100) |
| Tiêu chuẩn | ASME/ANSI B16.11, MSS SP-79, MSS-SP-95, 83, 97，DIN28011, Từ 2617, DIN2616, DIN2615, DIN2605，EN10253-2, EN10253-1 |
| Kích thước | ASME 16.11, MSS SP-79, MSS SP-95, 83, 95, 97, BS 3799 |
| Độ dày | Lịch trình 5s, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, Xxs và vv. |
| Pressure Class | 3000 LBS, 6000 LBS, 9000 LBS |
| Từ | Threaded / Screwed Coupling, Threaded Forged Half Coupling |
| Điểm&Nguyên vật liệu | ASTM A403 WP GR. 304, 304L, 304H, 310, 316, 316L, 316H, 316Của, 317L, 321, 347, 904L，ASTM A234 WPB, WPBW, WPHY 70, WPHY 65, WPHY 60, WPHY 52, WPHY 46, & WPHY 42.ASTM A420 WPL6, ASTM A420 WPL3，ASTM / Asme's/That 234 Gr. WP1, WP5, WP9, WP11, WP12, WP22, WP91，ASTM A815, ASME SA815 UNS NO S31803, Không có S32205, Hoa Kỳ S32750, Hoa Kỳ S32950. Tài liệu không. 1.4462，CHÚNG TA 10276 (Hastelloy c 276), CHÚNG TA 6625 (Bất tiện 625), CHÚNG TA 6601 (Bất tiện 601), CHÚNG TA 6600 (Bất tiện 600), CHÚNG TA 8825 (Bất tiện 825), CHÚNG TA 8020 (Hợp kim 20 / 20 CB 3), CHÚNG TA 4400 (Monel 400), CHÚNG TA 2201 (Niken 201), ASTM / Asme SB 336 CHÚNG TA 2200 (Niken 200) |
| Kiểu | Socket Weld (S/W) & SCREWED (SCRD) – NPT, BSP, BSPT |
ANSI B16.11 Stainless Steel Threaded Half Coupling Manufacturing Standards
| Tiêu chuẩn ASME | ASME/ANSI B16.11, MSS SP-79, MSS-SP-95, 83, 97 |
| Mặc định của bạn | DIN28011, Từ 2617, DIN2616, DIN2615, DIN2605 |
| Một tiêu chuẩn | EN10253-2, EN10253-1 |
| ASME B16.11 | Threaded |
| ASTM A182 – ASME SA182 | Standard Specification for Wrought Austenitic SS Piping Threaded Fittings |
| MSS SP-95 | Threaded Full Coupling |
NPT Threaded Half Coupling Materials and Grades
| Stainless Steel Threaded Half Coupling |
| ASTM A403 WP GR. 304, 304L, 304H, 310, 316, 316L, 316H, 316Của, 317L, 321, 347, 904L |
| Carbon Steel Threaded Half Coupling |
| ASTM A234 WPB, WPBW, WPHY 70, WPHY 65, WPHY 60, WPHY 52, WPHY 46, & WPHY 42. |
| Low Temperature Threaded Half Coupling |
| ASTM A420 WPL6, ASTM A420 WPL3 |
| Alloy Steel Threaded Half Coupling |
| ASTM / Asme's/That 234 Gr. WP1, WP5, WP9, WP11, WP12, WP22, WP91 |
| Song công & Super Duplex Steel Threaded Half Coupling |
| ASTM A815, ASME SA815 UNS NO S31803, Không có S32205, Hoa Kỳ S32750, Hoa Kỳ S32950. Tài liệu không. 1.4462 |
| Nickel Alloy Threaded Half Coupling |
| CHÚNG TA 10276 (Hastelloy c 276), CHÚNG TA 6625 (Bất tiện 625), CHÚNG TA 6601 (Bất tiện 601), CHÚNG TA 6600 (Bất tiện 600), CHÚNG TA 8825 (Bất tiện 825), CHÚNG TA 8020 (Hợp kim 20 / 20 CB 3), CHÚNG TA 4400 (Monel 400), CHÚNG TA 2201 (Niken 201), ASTM / Asme SB 336 CHÚNG TA 2200 (Niken 200) |
High Pressure Threaded Half Coupling Types by Size, Class, and Wall Thickness
| Description | Class Designation | ||
| 2000 | 3000 | 6000 | |
| Threaded Full Coupling | 1/2 - 4 | 1/2 - 2 | 1/2 - 2 |
| 1/2 - 4 | 1/2 - 2 | 1/2 - 2 | |
| 1/2 - 4 | 1/2 - 2 | 1/2 - 2 | |
| Pipe Wall | Sch 80 / XS | Sch 160 | Xxs |
Threaded Half Coupling Dimensions
Threaded Half Coupling Dimensions
| NOMINAL PIPE SIZE | END TO END | MINIMUM LENGTH OF THREAD | OUTSIDE DIAMETER | ||
| Inch. | Full Coupling | #3000 | #6000 | ||
| A | B | C | D | D | |
| 1/8 | 32 | 6.7 | 6.4 | 16 | 22 |
| 1/4 | 35 | 10.2 | 8.1 | 19 | 25 |
| 3/8 | 38 | 10.4 | 9.1 | 22 | 32 |
| 1/2 | 48 | 13.6 | 10.9 | 28 | 38 |
| 3/4 | 51 | 13.9 | 12.7 | 35 | 44 |
| 1 | 60 | 17.3 | 14.7 | 44 | 57 |
| 1 1/4 | 67 | 18 | 17 | 57 | 64 |
| 1 1/2 | 79 | 18.4 | 17.8 | 64 | 76 |
| 2 | 86 | 19.2 | 19 | 76 | 92 |
| 2 1/2 | 92 | 28.9 | 23.6 | 92 | 108 |
| 3 | 108 | 30.5 | 25.9 | 108 | 127 |
| 4 | 121 | 33 | 27.7 | 140 | 159 |
| All Dimensions are in mm | |||||
ASME B16.11 Threaded Half Coupling Angularity Tolerance
| ND | Tối đa góc ngoài | Tối đa tắt máy bay |
| Q. | P | |
| 1/2 Một 4 | 1 | 2 |
| 5 Một 8 | 2 | 4 |
| 10 Một 12 | 3 | 5 |
| 14 Một 16 | 3 | 7 |
| 18 Một 24 | 4 | 10 |
| 26 Một 30 | 5 | 10 |
| 32 Một 42 | 5 | 13 |
| 44 Một 48 | 5 | 20 |
ASME B16.11 Half Coupling Temperature
| ASME B16.11 Half Coupling Temperature | Class | ||||
| 150 | 300 | ||||
| 1/4 - 1 inch. | 1 1/4 - 2 inch. | 2 1/2 - 3 inch. | |||
| (oF) | (oC) | ||||
| -20 ĐẾN 150 | -29 ĐẾN 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 |
ASME B16.11 Threaded Half Coupling Weight
ASME B16.11 Threaded Half Coupling Weight pic
ASME B16.11 Threaded full Coupling drawing
ASME B16.11 Threaded Half Coupling Drawing
| DN | Nom. Pipe Size | Center to End Coupling
W |
Center to End Cap
P |
Đường kính bên ngoài | End Wall
Độ dày G Min. |
ength of Thread
Min. (1) |
||||
| 000& 6000 | 3000 | 6000 | 3000 | 6000 | 3000 | 6000 | B | L2 | ||
| 6 | 1/8″ | 32 | 19 | 16 | 4.8 | 6.4 | 6.7 | |||
| 8 | 1/4″ | 35 | 25 | 27 | 19 | 25 | 4.8 | 6.4 | 8.1 | 10.2 |
| 10 | 3/8″ | 38 | 25 | 27 | 22 | 32 | 4.8 | 6.4 | 9.1 | 10.4 |
| 15 | 1/2″ | 48 | 32 | 33 | 28 | 38 | 6.4 | 7.9 | 10.9 | 13.6 |
| 20 | 3/4″ | 51 | 37 | 38 | 35 | 44 | 6.4 | 7.9 | 12.7 | 13.9 |
| 25 | 1″ | 60 | 41 | 43 | 44 | 57 | 9.7 | 11.2 | 14.7 | 17.3 |
| 32 | 1-1/4″ | 67 | 44 | 46 | 57 | 64 | 9.7 | 11.2 | 17.0 | 18.0 |
| 40 | 1-1/2″ | 79 | 44 | 48 | 64 | 76 | 11.2 | 12.7 | 17.8 | 18.4 |
| 50 | 2″ | 86 | 48 | 51 | 76 | 92 | 12.7 | 15.7 | 19.0 | 19.2 |
| 65 | 2-1/2″ | 92 | 60 | 64 | 92 | 108 | 15.7 | 19.0 | 23.6 | 28.9 |
| 80 | 3″ | 108 | 65 | 68 | 108 | 127 | 19.0 | 22.4 | 25.9 | 30.5 |
| 100 | 4″ | 121 | 68 | 75 | 140 | 159 | 22.4 | 28.4 | 27.7 | 33.0 |
(1) Dimensions in Millimeters
(2) Dimension B is minimum length of perfect thread. The length of useful thread (B plus threads with fuly formed roots and flat crests) shall not be less than L2(effective length of external thread) required by American National Standard for Pipe Threads (ANSI/ASME B1.20. 1)
TYPES OF ASME B16.11 THREADED Half COUPLING
| Forged Threaded Half Coupling | Threaded Half Coupling Stainless Steel |
| SS Forged Threaded Half Coupling | BS 3799 Forged Screwed Half Coupling |
| ASTM A182 Threaded Half Coupling | Duplex Steel Threaded Half Coupling |
| Carbon Steel Threaded Half Coupling | High Quality Threaded Half Coupling |
| Titanium Forged Threaded Half Coupling | Inconel Threaded Forged Half Coupling |
| Super Duplex Steel Screwed Half Coupling | Copper Nickel Threaded Half Coupling |
| High Nickel Alloy Threaded Half Coupling | Hastelloy Screwed Half Coupling Pipe Fittings |
| 150 lb. Threaded Half Coupling Fittings | 6000LBS Forged Steel Threaded Half Coupling |
| ASME B16.11 Forged Threaded Pipe Half Coupling | Threaded Forged Half Coupling 3000LBS |
| ANSI B16.11 Forged Threaded Half Coupling | Asme B16.11 Half Coupling Threaded – Class 3000 |
Applications Of ASME B 16.11 Threaded Half Coupling
- ASME B 16.11 Threaded Half Coupling used in Chemical and petrochemical processing
- ASME B 16.11 Threaded Half Coupling used in refineries
- ASME B 16.11 Threaded Half Coupling used in electronics
- ASME B 16.11 Threaded Half Coupling used in fertilizer
- ASME B 16.11 Threaded Half Coupling used in power plant
- ASME B 16.11 Threaded Half Coupling used in nuclear power
- ASME B 16.11 Threaded Half Coupling used in oil and gas
- ASME B 16.11 Threaded Half Coupling used in paper industries
