Duplex Tube Fittings Manufacturer & Supplier in India
Kalpataru Piping Solution is a prominent manufacturer and distributor of duplex tube fittings that offers high-performance solutions, which are reputable within the major industries. Duplex Steel tube fittings are designed using the finest duplex stainless steel, with exceptional strength, corrosion resistance and life. Duplex steel fittings and duplex steel S31803 tube fittings are the best choice of fittings in the system subject to high pressure, aggressive chemicals, and variable temperatures due to the dual-phase structure that offers a superior level of resistance to stress corrosion cracking.
We provide a broad selection of duplex steel tube fittings of different sizes, configurations, and end connections to suit different instrumentation and piping requirements. Every fitting is designed to be very specific so that it can be leak free, fit in the correct dimension, and last long, even under the most challenging of operating conditions. Whether it is chemical processing and oil and gas or marine and power generation, our fittings are consistent and reliable in their performance.
Kalpataru Piping Solution is a reputable brand in the piping industry across the world because it is highly quality-driven, has high production capacity and is customer-orientated in its service delivery. In the projects where there is a strong need for duplex tube fittings that are corrosion resistant, efficient and strong, we offer international standards of fittings that are well beyond expectations.
- Types of Duplex 2205 Tube Fittings
- Specification of Duplex Tube Fittings
- Duplex 2205 Tube Fittings Equivalent Material
- UNS S31803 DSS Instrumentation Tube Fittings Chemical Composition
- Mechanical Properties of ASTM A815 Duplex Steel Tube Fittings
- Dimension of Duplex Tube Fittings
- Pressure Rating of Duplex Stainless Steel Female Connector
- Duplex Stainless Male Bulkhead Connector Installation
- Duplex Female Elbow Thread I.D
- Stainless Steel Duplex Male Elbow Thread O.D
- Features and Benefits of Duplex Tube Fittings
- Applications of Duplex Tube Fittings
- FAQs about Duplex Tube Fittings
Types of Duplex 2205 Tube Fittings
Duplex Stainless Bushing
Duplex Stainless Male Bulkhead Connector
Duplex Stainless Steel Female Connector
Duplex Stainless Steel Hex Nipple
Duplex Steel Hex Coupling
Duplex Steel Tube Union
Stainless Steel Duplex Blanking Plug
Stainless Steel Duplex Male Elbow
Stainless Steel Duplex Plug
DSS Blanking End
DSS Female Run Tee
Duplex Allen Key
Duplex Female Elbow
Duplex SS Cap
Duplex SS Union Ball Joint
Duplex Stainless Back Ferrule
Specification of Duplex Tube Fittings
|
Specification |
ASTM A276, ASTM A182 ASME SA479, ASME SA182 |
|
Tube Size |
1/16 OD to 2 OD, Od to 50mm OD |
|
Type |
Seamless/ Welded/Fabricated |
|
Equivalent |
PARKER, SWAGELOK, HOKE, DK-LOK |
|
Thread |
BSPT, UNF, SAE, BSP, NPT, ISO, etc. |
|
Material Grades |
Duplex 2205 |
|
PTFE Standard |
ASTM D1710 and D3294 |
|
Pressure Rating |
1000/300/6000/3000/10000 PSI for Duplex Steel |
|
Temperature |
150-400°C |
|
PACKING DETAIL |
size of the wooden box – 38*27*17CM size of carton – 21*16*14CM/31*21*16CM/36*45*50CM |
Duplex 2205 Tube Fittings Equivalent Material
| ASTM | UNS | EN | ASME | WNR | BS | ISO | AFNOR | GOST | AVESTA | SHEFFIELD |
|---|---|---|---|---|---|---|---|---|---|---|
| A276/ A479 / A182 | S31803 / S32205 | 1.4462 – X2CrNiMoN22-5-3 | SUS 329J3L | 1.4462 | 318S13 – 318 S 13 | CrNiMo22-5-3 – CrNiMo 22-5-3 | Z3CND22-05AZ – Z 3 CND 22-05 Az | 02Ch22N5M3 – 02Х22Н5АМ3 | SAF 2205 | |
UNS S31803 DSS Instrumentation Tube Fittings Chemical Composition
| Material | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| Duplex 2205 | 0.30 max | 2.00 max | 1.00 max | 0.30 max | 0.20 max | 22.0-23.0 | 3.00-3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
Mechanical Properties of ASTM A815 Duplex Steel Tube Fittings
| Grade | Density | Density | Melting Point (°C) | Melting Point (°F) |
|---|---|---|---|---|
| S31803 / S32205 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
Dimension of Duplex Tube Fittings
| Threads Dimension of BSPP and BSPT | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| SIZE | PITCH & SIZE | OD THREAD | OD THREAD | ID THREAD | ID Thread | ||||
| DASH | BSPP & BSPT | MALE BSPT | MALE BSPP | FEMALE BSPT | FEMALE BSPP | ||||
| Inch to TPI | mm | inch | mm | inch | mm | inch | mm | inch | |
| -4 | 1/4 to 19 | 12,8 | 0.5 | 13,0 | 0.51 | 11,2 | 0.44 | 11,9 | 0.47 |
| -2 | 1/8 to 28 | 9,5 | 0.37 | 9,6 | 0.38 | 8,4 | 0.33 | 8,6 | 0.34 |
| -6 | 3/8 to 19 | 16,3 | 0.64 | 16,5 | 0.65 | 14,7 | 0.59 | 15,2 | 0.6 |
| -10 | 5/8 to 14 | 22,5 | 0.89 | 22,8 | 0.9 | 20,6 | 0.81 | 20,8 | 0.82 |
| -8 | 1/2 to 14 | 20,4 | 0.8 | 20,8 | 0.82 | 18,3 | 0.72 | 19,1 | 0.75 |
| -12 | 3/4 to 14 | 25,9 | 1.02 | 26,3 | 1.04 | 23,9 | 0.94 | 24,6 | 0.97 |
| -20 | 1.1/4 to 11 | 41,1 | 1.62 | 41,8 | 1.64 | 38,6 | 1.52 | 39,4 | 1.55 |
| -16 | 1 to 11 | 32,6 | 1.28 | 33,1 | 1.3 | 29,7 | 1.17 | 30,7 | 1.21 |
| -24 | 1.1/2 to 11 | 47,0 | 1.85 | 47,7 | 1.88 | 44,5 | 1.75 | 45,5 | 1.79 |
| -40 | 2.1/2 to 11 | 74,1 | 2.92 | 75,1 | 2.95 | 71,9 | 2.83 | 72,6 | 2.86 |
| -32 | 2(11) | 58,6 | 2.31 | 59,5 | 2.34 | 56,4 | 2.22 | 57,4 | 2.26 |
| -48 | 3 to 11 | 86,6 | 3.41 | 87,9 | 3.46 | 84,6 | 3.33 | 85,4 | 3.36 |
Pressure Rating of Duplex Stainless Steel Female Connector
| Tube | O.D in | 4-Jan | 8-Mar | 2-Jan | 8-May | 4-Mar | |
|---|---|---|---|---|---|---|---|
| Tube Wall Thickness , in . | 0.035 | Working Pressure, psig(bar) | 10000(690) | 6500(450) | 5000(350) | – | – |
| 0.049 | 15000(1040) | 10100(700) | 7200(500) | 5800(400) | 4700(330) | ||
| 0.065 | – | 12700(880) | 10100(700) | 7600(530) | 6300(440) | ||
| 0.083 | – | – | 12900(890) | 10100(700) | 8500(590) | ||
| 0.095 | – | – | – | – | 10000(690) |
Duplex Stainless Male Bulkhead Connector Installation
| Installation description | Type |
|---|---|
|
Duplex Stainless Branch Reducing Tee |
|
Stainless Steel Duplex Bulkhead Union |
|
DSS Tube Nuts |
|
Duplex SS Male Street Tee |
|
Stainless Steel Duplex Bulkhead Union Elbow |
|
DSS Cross |
|
Duplex SS Street Elbow |
|
ASTM A182 Duplex Steel Female Thread Elbow |
|
ASTM A276 Duplex Female Run Tee |
Duplex Female Elbow Thread I.D
| BSPP Female Thread I.D | |
|---|---|
| inch | mm |
| 3.36 | 85,4 |
| 0.97 | 24,6 |
| 1.21 | 30,7 |
| 0.75 | 19,1 |
| 2.26 | 57,4 |
| 2.86 | 72,6 |
| 0.6 | 15,2 |
| 1.55 | 39,4 |
| 0.82 | 20,8 |
| 1.79 | 45,5 |
| 0.34 | 8,6 |
| 0.47 | 11,9 |
Stainless Steel Duplex Male Elbow Thread O.D
| BSPT Male Thread O.D | |
|---|---|
| inch | mm |
| 1.28 | 32,6 |
| 1.62 | 41,1 |
| 1.85 | 47,0 |
| 0.37 | 9,5 |
| 0.5 | 12,8 |
| 0.64 | 16,3 |
| 0.8 | 20,4 |
| 0.89 | 22,5 |
| 2.92 | 74,1 |
| 3.41 | 86,6 |
| 1.02 | 25,9 |
| 2.31 | 58,6 |
Features and Benefits of Duplex Tube Fittings
The duplex tube fittings which have been very popular in industries, as they have unparalleled mechanical strength and longevity. Our offerings at Kalpataru Piping Solution are the best assortment of duplex steel tube fittings that would provide durability, dependability, and regular operation even under the most demanding working conditions.
- Unsurpassed Corrosion Protection:These fittings are manufactured using high-grade duplex stainless steel and thus resist corrosion, pitting and atmospheres conducive to chloride corrosion. This is why they are a reliable choice regarding oil & gas, chemical plants, desalination systems, and use in the sea.
- High Mechanical Strength:The duplex steel offers a special strength benefit; that is, the fittings can work effectively with high pressure and heavy loading without any failure of system integrity.
- Impressive Toughness:Balanced microstructure in the material provides the fittings with high toughness and thus the ability to resist impact and vibration as well as abrupt changes in pressure.
- Large operating temperature span:Our duplex tube fittings are also stable at very low and high temperatures, which makes them applicable in a wide range of industrial conditions.
- Versatile Usage:These fittings are offered in various sizes, end connections, and configurations that could be used in joining, branching, and connecting the tubing to different systems.
- Precision-Crafted Design:All the fittings are made to the highest degree of accuracy to allow the fittings to align properly, fit correctly and contain no leaks.
- Simple Installation:The fittings also have a range of thread choices and connection styles that contribute to the quickness of installation, which allows saving time and effort spent on the task.
- Long Service Life:They have a strong construction and can withstand corrosion; thus, they last long with little or no maintenance.
- Standards-Compliant:Every duplex tube fitting corresponds to key international standards, which guarantee reliable quality usage internationally.
- Leak-Proof Performance:The fittings are designed in such a way that they provide tight sealing, and therefore leakage is avoided and system efficiency is maintained.
- Cost-Effective Efficiency:The duplex tube fittings are of high quality with end features and are very economical in terms of costs of downtime and long-term maintenance.
Applications of Duplex Tube Fittings
Duplex tube fittings are widely used across industries that demand high strength, corrosion resistance, and reliable performance. Their dual-phase structure makes them suitable for handling aggressive media and high-pressure conditions. Key applications include:
- Oil & Gas Industry: Used in offshore platforms, subsea pipelines, wellhead systems, and processing units where resistance to chloride stress corrosion is crucial.
- Chemical & Petrochemical Plants: Ideal for corrosive chemical lines, high-temperature processing units, and acid-handling systems.
- Marine & Shipbuilding: Suitable for seawater cooling systems, ballast systems, and marine engineering applications due to excellent resistance to saltwater environments.
- Power Generation: Used in heat exchangers, boilers, steam systems, and turbine piping for high-temperature and high-pressure stability.
- Desalination & Water Treatment: Perfect for brine handling, filtration units, and high-salinity water processing systems.
- Pharmaceutical & Food Processing: Applied in hygienic fluid handling, high-purity piping, and sanitary processing lines where contamination-free operation is needed.
- Pulp & Paper Industry: Used in bleaching plants and chemical recovery units because of their strong resistance to corrosive chemicals.
- Instrumentation & Control Systems: Ensures precise flow control and leak-proof connections in measurement and monitoring systems.
FAQs about Duplex Tube Fittings
Duplex tube fittings are precision-engineered components made from duplex stainless steel, designed for secure and leak-proof tube connections in high-pressure and corrosive environments.
They are widely used in oil & gas, chemical processing, marine, desalination, power generation, and instrumentation systems.
Absolutely. Duplex Tube Fittings are designed to withstand high pressure, mechanical stress, and fluctuating loads.
No, their corrosion-resistant structure ensures longer service life with minimal maintenance.