What is Threaded Full Coupling?
A stainless steel threaded full coupling is a type of plumbing fitting that is used to join two pipes of equal diameter together. The coupling is typically made out of high-quality stainless steel, which makes it resistant to rust and corrosion. The threaded design of the coupling allows for easy installation and removal, and it can be used in a variety of different applications, including water supply, oil and gas, and chemical processing.
The full coupling design of this fitting means that it is a complete coupling that covers the entire length of both pipes, providing a tight and secure seal. This design is ideal for applications where a strong and reliable connection is necessary, such as in high-pressure or high-temperature environments.
Stainless steel threaded full couplings are available in a variety of sizes and thread types, allowing them to be used with different pipe materials and configurations. When selecting a coupling, it is important to ensure that it is compatible with the pipe material and size being used to avoid leaks or other connection issues.
Overall, a stainless steel threaded full coupling is a durable and versatile plumbing fitting that can provide a secure and long-lasting connection between two pipes.
Specifications of ASME B16.11 Threaded Full Coupling
| Maten | 1/8″NB TOT 4″NB IN (DN6 x DN100) |
| Normen | ASME/ANSI B16.11, MSS SP-79, MSS-SP-95, 83, 97,DIN28011, DIN2617, DIN2616, DIN2615, DIN2605,EN10253-2, EN10253-1 |
| Afmetingen | ASME 16.11, MSS SP-79, MSS SP-95, 83, 95, 97, BS 3799 |
| Dikte | Schema 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS en etc. |
| Drukklasse | 3000 LBS, 6000 LBS, 9000 LBS |
| Van | Threaded / Screwed Coupling, Threaded Forged Full Coupling |
| Rangen&Materialen | ASTM / ASME A/SA 182 – F 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316TI, 316H, 316L, 316LN, 317, 317L, 321, 321H, 347, 347H, 904L.ASTM / ASME A/SA 182 – F44, F45, F51, F53, F55, F60, F61.ASTM / ASME SB 564 / 160 / 472 – UNS 2200 (NICKEL 200), UNS 4400 (MONEL 400), UNS 8825 INCONEL (825), UNS 6600(INCONEL 600), UNS 6601 (INCONEL 601), UNS 6625 (INCONEL 625), UNS 10276 (HASTELLOY C 276), UNS 2201 (NICKEL 201), (ALLOY 20 / 20 CB 3),ASTM / ASME SB 61 / 62 / 151 / 152 – UNS NO. C 92200, UNS NO. C 83600, UNS NO. 70600, 71500, C 70600 (CU -NI- 90/10), C 71500 (CU -NI- 70/30), UNS NO C 10100, C 10200, C 10300, C 10800, C 12000, C 12200,ASTMA 105/A694/ A350 LF3/A350 LF2 – F42, F46, F52, F56,F60, F65, F70, ASTM A182 – F1, F5, F9, F11, F22, F91,Brass CA 360, CA 345 and CA 377 / SAE J530, SAE J531 and ASA |
| Type | Socket Weld (S/W) & SCREWED (SCRD) - NPT, BSP, BSPT |
ANSI B16.11 Stainless Steel Threaded Full Coupling Manufacturing Standards
| ASME-norm | ASME/ANSI B16.11, MSS SP-79, MSS-SP-95, 83, 97 |
| DIN-norm | DIN28011, DIN2617, DIN2616, DIN2615, DIN2605 |
| EN-norm | EN10253-2, EN10253-1 |
| ASME B16.11 | Schroefdraad |
| ASTM A182 - ASME SA182 | Standaardspecificatie voor gewalste Austenitische SS hulpstukken met schroefdraad voor leidingen |
| MSS SP-95 | Volledige koppeling met schroefdraad |
MATERIALS AND GRADES OF ASME B16.11 THREADED FULL COUPLING
ASME B16.11 Stainless Steel Threaded Full Coupling Pipe Fittings:ASTM / ASME A/SA 182 – F 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316TI, 316H, 316L, 316LN, 317, 317L, 321, 321H, 347, 347H, 904L.
ASME B16.11
Duplex & Super Duplex Threaded Full Coupling Pipe Fittings :ASTM / ASME A/SA 182 – F44, F45, F51, F53, F55, F60, F61.
ASME B16.11 Nickel Alloy Threaded Full Coupling Pipe Fittings:ASTM / ASME SB 564 / 160 / 472 – UNS 2200 (NICKEL 200), UNS 4400 (MONEL 400), UNS 8825 INCONEL (825), UNS 6600(INCONEL 600), UNS 6601 (INCONEL 601), UNS 6625 (INCONEL 625), UNS 10276 (HASTELLOY C 276), UNS 2201 (NICKEL 201), (ALLOY 20 / 20 CB 3)
ASME B16.11 Copper Alloy Threaded Full Coupling Pipe Fittings:ASTM / ASME SB 61 / 62 / 151 / 152 – UNS NO. C 92200, UNS NO. C 83600, UNS NO. 70600, 71500, C 70600 (CU -NI- 90/10), C 71500 (CU -NI- 70/30), UNS NO C 10100, C 10200, C 10300, C 10800, C 12000, C 12200
ASME B16.11 Carbon Steel Threaded Full Coupling Pipe Fittings :ASTMA 105/A694/ A350 LF3/A350 LF2 – F42, F46, F52, F56, F60, F65, F70
ASME B16.11 Alloy Steel Threaded Full Coupling Pipe Fittings:ASTM A182 – F1, F5, F9, F11, F22, F91
ASME B16.11 Brass Threaded Full Coupling Pipe Fittings:Brass CA 360, CA 345 and CA 377 / SAE J530, SAE J531 and ASA
High Pressure Threaded Full Coupling Types by Size, Class, and Wall Thickness
| Beschrijving | Klasse-aanduiding | ||
| 2000 | 3000 | 6000 | |
| Volledige koppeling met schroefdraad | 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 | |
| Pijpwand | SCH 80 / XS | SCH 160 | XXS |
Threaded Full Coupling Dimensions

Threaded Full Coupling Dimensions Drawing
| NOMINALE PIJPMAAT | EINDE AAN EINDE | MINIMALE LENGTE VAN DRAAD | BUITENDIAMETER | ||
| Inch. | Volledige koppeling | #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 |
| Alle afmetingen zijn in mm | |||||
ASME B16.11 Screwed / Threaded Full Coupling Dimensions Tolerance
| Threaded Full Coupling Pipe Fittings Dimension (NPS) | Buiten Diameter at Bevel |
Inside Diameter at End |
Wall Thickness T | Center-to-End Afmeting A ,C ,B |
Over-all Length H |
Over-all Length F |
| 1/2 to 2-1/2 | +0.06 | Not less than 87.5% of nominal thickness |
+/- 0.06 | +/- 0.06 | +/- 0.12 | |
| -0.03 | ||||||
| 3 to 3-1/2 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.12 | |
| 4 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.12 | |
| 5 tot 8 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.06 | +/- 0.25 | |
| 10 tot 18 | +0.16 | +/- 0.12 | +/- 0.09 | +/- 0.09 | +/- 0.25 | |
| -0.12 | ||||||
| 20 tot 24 | +0.25 | +/- 0.19 | +/- 0.09 | +/- 0.09 | +/- 0.25 | |
| -0.19 | ||||||
| 26 tot 30 | +0.25 | +/- 0.19 | +/- 0.12 | +/- 0.19 | +/- 0.38 | |
| -0.19 | ||||||
| 32 tot 48 | +0.25 | +/- 0.19 | +/- 0.19 | +/- 0.19 | +/- 0.38 | |
| -0.19 |
ASME B16.11 Threaded Full Coupling Angularity Tolerance
| ND | Max. uitloophoek | Max uit het vliegtuig |
| Q | P | |
| 1/2 a 4 | 1 | 2 |
| 5 a 8 | 2 | 4 |
| 10 a 12 | 3 | 5 |
| 14 a 16 | 3 | 7 |
| 18 a 24 | 4 | 10 |
| 26 a 30 | 5 | 10 |
| 32 a 42 | 5 | 13 |
| 44 a 48 | 5 | 20 |
Threaded Full Pipe Coupling Pressure Ratings Formula
| ASME B16.11 Full Coupling Pressure-Temperature ratings | |||||
| Temperature | Klasse | ||||
| 150 | 300 | ||||
| 1/4 - 1 inch. | 1 1/4 - 2 inch. | 2 1/2 - 3 inch. | |||
| (oF) | (oC) | ||||
| -20 tot 150 | -29 tot 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 Full Coupling Weight

ASME B16.11 tekening volledige koppeling met schroefdraad
| DN | Nom. Pijpmaat | Koppeling van midden tot eind
W |
Midden tot eindkap
P |
Buitendiameter | Eindwand
Dikte G Min. |
lengte van draad
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) Afmetingen in millimeters
(2) Maat B is de minimumlengte van perfecte schroefdraad. De lengte van nuttige schroefdraad (B plus schroefdraad met naar behoren gevormde wortels en vlakke kruinen) mag niet minder zijn dan L2 (effectieve lengte van buitendraad), zoals voorgeschreven door de American National Standard for Pipe Threads (ANSI/ASME B1.20. 1).
TYPES OF ASME B16.11 THREADED FULL COUPLING
| Forged Threaded Full Coupling | Forged Screwed Reducing Coupling |
| Stainless Steel Screwed Full Coupling | SS Forged Threaded Full Coupling |
| Carbon Steel Threaded Full Coupling | High Quality Threaded Coupling |
| ASTM A182 Threaded Full Coupling | Duplex Steel Threaded Full Coupling |
| Titanium Forged Threaded Full Coupling | Inconel Threaded Forged Coupling |
| Super Duplex Steel Screwed Coupling | Copper Nickel Threaded Coupling |
| 150 lb. Threaded Full Coupling Fittings | 6000LBS Forged Steel Threaded Coupling |
| ASME B16.11 Forged Threaded Full Coupling | Threaded Forged Full Coupling 3000LBS |
| ANSI B16.11 Forged Threaded Full Coupling | BS 3799 Forged Screwed Full Coupling |
| High Nickel Alloy Threaded Full Coupling | Hastelloy Screwed Full Coupling Pipe Fittings |
Applications Of ASME B 16.11 Threaded Full Coupling
- ASME B 16.11 Threaded Full Coupling used in Chemical and petrochemical processing
- ASME B 16.11 Threaded Full Coupling used in refineries
- ASME B 16.11 Threaded Full Coupling used in electronics
- ASME B 16.11 Threaded Full Coupling used in fertilizer
- ASME B 16.11 Threaded Full Coupling used in power plant
- ASME B 16.11 Threaded Full Coupling used in nuclear power
- ASME B 16.11 Threaded Full Coupling used in oil and gas
- ASME B 16.11 Threaded Full Coupling used in paper industries
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