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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
- の 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
| サイズ | 1/8″NB TO 4″NB IN (DN6 x DN100) |
| 規格 | ASME/ANSI B16.11, MSS SP-79, MSS-SP-95, 83, 97，DIN28011, DIN2617, DIN2616, DIN2615, DIN2605，EN10253-2, EN10253-1 |
| 寸法 | ASME 16.11, MSS SP-79, MSS SP-95, 83, 95, 97, BS 3799 |
| 厚さ | スケジュール5S, 10S, 20S, S10, S20, S30, 性病, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXSなど. |
| Pressure Class | 3000 LBS, 6000 LBS, 9000 LBS |
| から | Threaded / Screwed Coupling, Threaded Forged Half Coupling |
| グレード&材料 | ASTM A403 WP Gr. 304, 304L, 304H, 310, 316, 316L, 316H, 316の, 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 A/S.A. 234 グループ. WP1, WP5, WP9, WP11, WP12, WP22, WP91，ASTM A815, ASME SA815 UNS NO S31803, UNS NO S32205, 米国 S32750, UNS S32950. 材料番号. 1.4462，私たち 10276 (HASTELLOY C 276), 私たち 6625 (INCONEL 625), 私たち 6601 (INCONEL 601), 私たち 6600 (INCONEL 600), 私たち 8825 (INCONEL 825), 私たち 8020 (合金 20 / 20 CB 3), 私たち 4400 (MONEL 400), 私たち 2201 (NICKEL 201), ASTM / ASME SB 336 私たち 2200 (NICKEL 200) |
| タイプ | Socket Weld (S/W) & SCREWED (SCRD) – NPT, BSP, BSPT |
ANSI B16.11 Stainless Steel Threaded Half Coupling Manufacturing Standards
| ASME Standard | ASME/ANSI B16.11, MSS SP-79, MSS-SP-95, 83, 97 |
| DIN Standard | DIN28011, DIN2617, DIN2616, DIN2615, DIN2605 |
| 基準 | 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, 316の, 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 A/S.A. 234 グループ. WP1, WP5, WP9, WP11, WP12, WP22, WP91 |
| デュプレックス & Super Duplex Steel Threaded Half Coupling |
| ASTM A815, ASME SA815 UNS NO S31803, UNS NO S32205, 米国 S32750, UNS S32950. 材料番号. 1.4462 |
| Nickel Alloy Threaded Half Coupling |
| 私たち 10276 (HASTELLOY C 276), 私たち 6625 (INCONEL 625), 私たち 6601 (INCONEL 601), 私たち 6600 (INCONEL 600), 私たち 8825 (INCONEL 825), 私たち 8020 (合金 20 / 20 CB 3), 私たち 4400 (MONEL 400), 私たち 2201 (NICKEL 201), ASTM / ASME SB 336 私たち 2200 (NICKEL 200) |
High Pressure Threaded Half Coupling Types by Size, クラス, 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 | ||
| あ | 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 | 最大オフ角 | 最大オフプレーン |
| Q | P | |
| 1/2 ある 4 | 1 | 2 |
| 5 ある 8 | 2 | 4 |
| 10 ある 12 | 3 | 5 |
| 14 ある 16 | 3 | 7 |
| 18 ある 24 | 4 | 10 |
| 26 ある 30 | 5 | 10 |
| 32 ある 42 | 5 | 13 |
| 44 ある 48 | 5 | 20 |
ASME B16.11 Half Coupling Temperature
| ASME B16.11 Half Coupling Temperature | クラス | ||||
| 150 | 300 | ||||
| 1/4 – 1 インチ. | 1 1/4 – 2 インチ. | 2 1/2 – 3 インチ. | |||
| (oF) | (oC) | ||||
| -20 に 150 | -29 に 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 | ノム. Pipe Size | Center to End Coupling
W |
Center to End Cap
P |
外径 | End Wall
厚さ G Min. |
ength of Thread
分. (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
