Reducing Coupling
‘Teshi Fittings’ premier Reducing Couplings, meticulously designed for a variety of industries including Petroleum, Chemical, Hydraulic, Food, and more. Engineered with precision and manufactured to meet stringent international quality standards, our Reducing Couplings ensure dependable sealing and seamless integration within piping systems. Committed to excellence and exceeding customer expectations, Teshi Fittings guarantees superior performance and longevity in every fitting, offering tailored solutions to meet specific project requirements. Trust in ‘Teshi Fittings’ expertise for all your piping needs and experience the unmatched quality of our Reducing Couplings.
Standard Specification of Reducing Coupling
| Reducing Coupling Dimension | ASME 16.11, MSS SP-79, MSS SP-95, 83, 95, 97, BS 3799 |
| Reducing Coupling Size | 1/8″ NB TO 4″ NB |
| Type | 45 Degree Elbow, 90 Degree Elbow, Lateral, Tee, Reducer Insert, Full Coupling, Half Coupling, Reducing Coupling, Cap, Union, Cross, Boss, Plug, Bushing etc. |
| DIN | DIN2605, DIN2615, DIN2616, DIN2617, DIN28011 |
| Production Grades | Stainless Steel, Alloy Steel, Duplex and Super Duplex, Inconel, Incoloy, Monel, Hastelloy, Titanium, Copper Nickel, Others. |
| EN | EN10253-1, EN10253-2 |
| Form | Socket Weld Cap, Socket Weld End Cap, Socket Weld Pipe Cap |
Material & Grades of Reducing Coupling
| Stainless Steel Reducing Coupling | ASTM A182 F304, F304L, F306, F316L, F304H, F309S, F309H, F310S, F310H, F316TI, F316H, F316LN, F317, F317L, F321, F321H, F11, F22, F91, F347, F347H, F454L, ASTM A312/A403 TP304, TP304L, TP316, TP316L |
| Duplex & Super Duplex Steel Reducing Coupling | ASTM A 182 – F 51, F53, F55 S 31803, S 32205, S 32550, S 32750, S 32760, S 32950. |
| Carbon Steel Reducing Coupling | ASTM/ ASME A 105, ASTM/ ASME A 350 LF 2, ASTM / ASME A 53 GR. A & B, ASTM A 106 GR. A, B & C. API 5L GR. B, API 5L X 42, X 46, X 52, X 60, X 65 & X 70. ASTM / ASME A 691 GR A, B & C |
| Nickel Alloy Forged Socket Weld Pipe Cap | ASTM / ASME SB 336, ASTM / ASME SB 564 / 160 / 163 / 472, UNS 2200 (NICKEL 200) , UNS 2201 (NICKEL 201 ) , UNS 4400 (MONEL 400 ) , UNS 8020 ( ALLOY 20 / 20 CB 3 ) , UNS 8825 INCONEL (825) , UNS 6600 (INCONEL 600 ) , UNS 6601 (INCONEL 601) , UNS 6625 (INCONEL 625) , UNS 10276 (HASTELLOY C 276) |
| Alloy Steel Reducing Coupling | ASTM / ASME A 182, ASTM / ASME A 335, ASTM / ASME A 234 GR P 1, P 5, P 9, P 11, P 12, P 22, P 23, P 91, ASTM / ASME A 691 GR 1 CR, 1 1/4 CR, 2 1/4 CR, 5 CR, 9CR, 91 |
| Copper Alloy Steel Reducing Coupling | ASTM / ASME SB 111 UNS NO. C 10100 , C 10200 , C 10300 , C 10800 , C 12000, C 12200, C 70600 C 71500, ASTM / ASME SB 466 UNS NO. C 70600 ( CU -NI- 45/10) , C 71500 ( CU -NI- 70/30) |
Dimension of Reducing Coupling
| Size | A | B | Approximate Weight (in Pounds) |
|---|---|---|---|
| ¼ x ⅛ | 0.75 | 1.38 | 0.11 |
| ⅜ x ⅛ | 0.88 | 1.50 | 0.16 |
| ⅜ x ¼ | 0.88 | 1.50 | 0.16 |
| ½ x ⅛ | 1.12 | 1.88 | 0.32 |
| ½ x ¼ | 1.12 | 1.88 | 0.32 |
| ½ x ⅜ | 1.12 | 1.88 | 0.32 |
| ¾ x ⅛ | 1.33 | 2.00 | 0.50 |
| ¾ x ¼ | 1.33 | 2.00 | 0.50 |
| ¾ x ⅜ | 1.33 | 2.00 | 0.50 |
| ¾ x ½ | 1.33 | 2.00 | 0.50 |
| 1 x ⅛ | 1.75 | 2.38 | 0.98 |
| 1 x ¼ | 1.75 | 2.38 | 0.98 |
| 1 x ⅜ | 1.75 | 2.38 | 0.98 |
| 1 x ½ | 1.75 | 2.38 | 0.98 |
| 1 x ¾ | 1.75 | 2.38 | 0.98 |
| 1¼ x ¼ | 2.25 | 2.62 | 1.87 |
| 1¼ x ⅜ | 2.25 | 2.62 | 1.87 |
| 1¼ x ½ | 2.25 | 2.62 | 1.87 |
| 1¼ x ¾ | 2.25 | 2.62 | 1.87 |
| 1¼ x 1 | 2.25 | 2.62 | 1.87 |
| 1½ x ¼ | 2.50 | 3.12 | 2.41 |
| 1½ x ⅜ | 2.50 | 3.12 | 2.41 |
| 1½ x ½ | 2.50 | 3.12 | 2.41 |
| 1½ x ¾ | 2.50 | 3.12 | 2.41 |
| 1½ x 1 | 2.50 | 3.12 | 2.41 |
| 1½ x 1¼ | 2.50 | 3.12 | 2.41 |
| 2 x ½ | 3.00 | 3.38 | 3.71 |
| 2 x ¾ | 3.00 | 3.38 | 3.71 |
| 2 x 1 | 3.00 | 3.38 | 3.71 |
| 2 x 1¼ | 3.00 | 3.38 | 3.71 |
| 2 x 1½ | 3.00 | 3.38 | 3.71 |
| 2½ x ½ | 3.62 | 3.62 | 5.92 |
| 2½ x ¾ | 3.62 | 3.62 | 5.92 |
| 2½ x 1 | 3.62 | 3.62 | 5.92 |
| 2½ x 1¼ | 3.62 | 3.62 | 5.92 |
| 2½ x 1½ | 3.62 | 3.62 | 5.92 |
| 2½ x 2 | 3.62 | 3.62 | 5.92 |
| 3 x ¾ | 4.25 | 4.25 | 10.1 |
| 3 x 1 | 4.25 | 4.25 | 10.1 |
| 3 x 1¼ | 4.25 | 4.25 | 10.1 |
| 3 x 1½ | 4.25 | 4.25 | 10.1 |
| 3 x 2 | 4.25 | 4.25 | 10.1 |
| 3 x 2½ | 4.25 | 4.25 | 10.1 |
| 4 x 1½ | 5.50 | 4.75 | 14.7 |
| 4 x 2 | 5.50 | 4.75 | 14.7 |
| 4 x 2½ | 5.50 | 4.75 | 14.7 |
| 4 x 3 | 5.50 | 4.75 | 14.7 |
Manufacturing process and features of Reducing Coupling
Manufacturing Process:
- Material Selection: Typically stainless steel, carbon steel, or alloy steel.
- Material Preparation: Starting from sheets, plates, or rods, shaped by cutting, shaping, or molding.
- Forming: Forged, cast, or machined to achieve the coupling shape.
- End Preparation: Internal chamfer or bevel for ease of installation.
- Surface Finishing: Polished, ground, or coated for enhanced durability.
- Quality Control: Rigorous checks ensure dimensional accuracy and adherence to standards.
- Final Inspection and Packaging: Thorough quality verification before packaging.
Features of Reducing Couplings:
- Socket Weld Connection: Facilitates secure welding to pipe ends.
- High Pressure Rating: Designed for enduring high-pressure environments.
- Leak Tight Seal: Ensures reliability in piping systems.
- Durable Construction: Resistant to corrosion, erosion, and wear.
- Versatility: Available in various sizes, materials, and configurations.
- Ease of Installation: Simple to install using basic welding equipment.
- Cost-Effective: Economical compared to alternatives for pipe end closures.
Application Of Reducing Coupling
| Oil and Gas Pipeline | Modularize drilling and refining processes for flexibility. |
| Food Processing | Streamline production lines for quick adjustments. |
| Equipment Manufacturing | Standardize interfaces for easier integration. |
| Pipeline Construction | Use standardized connectors to enhance safety and efficiency. |
| Power Generation | Segment systems for reliability and easier upgrades. |
| Shipbuilding | Design modular components for simpler maintenance. |
| Paper Production | Optimize processes for flexibility in raw materials. |
| Cement Manufacturing | Modularize equipment for efficiency and reduced downtime. |
| Chemical Processing | Standardize interfaces to improve safety and scheduling flexibility. |
Reducing Coupling Available Types
| Forged Threaded Reducing Coupling | Threaded Reducing Half Coupling |
|---|---|
| 2000LBS Threaded Reducing Coupling Fittings | 6000LBS Forged Threaded Reducing Coupling |
| ASME B16.11 Forged Threaded Pipe Reducing Coupling | Threaded Forged Reducing Coupling 3000LBS |
| Asme B16.11 Reducing Coupling Threaded – Class 3000 | SS Forged Threaded Reducing Coupling |
| ANSI B16.11 Forged Threaded Reducing Coupling | BS 3799 Forged Screwed Reducing Coupling |
| Carbon Steel Threaded Reducing Coupling Supplier | High Quality Threaded Reducing Coupling Manufacturer |
| ASTM A182 Threaded Reducing Coupling | Duplex Steel Threaded Reducing Coupling |
| Super Duplex Steel Screwed Reducing Coupling | Copper Nickel Threaded Reducing Coupling |
| High Nickel Alloy Threaded Reducing Coupling | Hastelloy Screwed Reducing Coupling Pipe Fittings |
| Titanium Forged Threaded Reducing Coupling | Inconel Threaded Forged Reducing Coupling |
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