Reducing Insert

‘Teshi Fittings’ premier Reducing Inserts, meticulously crafted for a range of industries including Petroleum, Chemical, Hydraulic, Food, and beyond. Engineered with precision and manufactured to meet stringent international quality standards, our Reducing Inserts 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 Inserts.

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Specification
Material & Grades
Dimensions

Standard Specification of Reducing Insert

Dimensions	ASME 16.11, MSS SP-79, MSS SP-95, 83, 95, 97, BS 3799
Size	1/2″NB TO 4″NB IN
Type	Socket Weld (S/W) & SCREWED (SCRD) – NPT, BSP, BSPT
DIN	DIN2605, DIN2615, DIN2616, DIN2617, DIN28011
EN	EN10253-1, EN10253-2
Schedule	SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Form	Socket Weld Fitting Pipe Reducer Insert, 45 Deg Elbow, 90 Deg Elbow, Forged Elbow, Threaded Elbow, Socket Weld Elbow.

Material & Grades of Reducing Insert

Stainless Steel Reducing Insert	ASTM A182 F304, F304L, F306, F316L, F304H, F309S, F309H, F310S, F310H, F316TI, F316H, F316LN, F317, F317L, F321, F321H, F11, F22, F91, F347, F347H, F904L, ASTM A312/A403 TP304, TP304L, TP316, TP316L
Duplex & Super Duplex Steel Reducing Insert	ASTM/ASME A182 / SA182, A790 / SA790 UNS No S31803, S32205, ASTM/ASME A182 / SA182, A790 / SA790 UNS No S32750, S32950
Carbon Steel Reducing Insert	ASTM A105, A350 LF2, A106 Gr.B, A234 WPB
Low Temperature Carbon Steel Reducing Insert	ASTM/ASME A420 SA/420 WPL3, WPL6
Alloy Steel Reducing Insert	ASTM / ASME A182, ASTM / ASME A335 GR P 1, P 5, P 9, P 11, P 12, P 22, P 23, P 91, ASTM / ASME A691 GR 1 CR, 1 1/4 CR, 2 1/4 CR, 5 CR, 9CR, 91
Nickel Alloy Reducing Insert	ASTM B336, ASME SB336, Nickel 200 (UNS No. No2200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), Titanium (Grade I & II), Copper Nickel (Cupro-Nickel 90/10 & 70/30).

Dimension of Reducing Insert

Dimensions of ASME B 16.11 Socket Weld Reducer Insert

Class 3000

Class 6000

Class 9000

Nominal Pipe Size

Fitting
Type

3/8 x 1/4

0.675

0.555

7/16

3/4

15/16

7/16

7/8

1/2 x 3/8

0.850

0.690

7/16

13/16

1 1/16

7/16

15/16

1 3/16

1/2 x 1/4

0.850

0.555

7/16

13/16

15/16

7/16

7/8

3/4 x 1/2

1.060

0.855

7/16

7/8

1 5/16

7/16

1 1/16

1 3/8

7/16

1 3/16

1 3/4

3/4 x 3/8

1.060

0.690

7/16

5/8

–

7/16

7/8

1 3/16

3/4 x 1/4

1.060

0.555

3/8

11/16

–

3/8

7/8

–

1 x 3/4

1.325

1.065

9/16

15/16

1 1/2

9/16

1 1/8

1 11/16

9/16

1 1/4

1 x 1/2

1.325

0.855

1/2

5/8

–

7/16

1 1/8

1 3/8

7/16

1 1/8

1 3/4

1 x 3/8

1.325

0.690

7/16

11/16

–

1/2

7/8

–

1 x 1/4

1.325

0.555

3/8

3/4

–

3/8

15/16

–

1 1/4 x 1

1.670

1.330

9/16

1 7/8

9/16

1 3/16

9/16

1 3/8

2 3/8

1 1/4 x 3/4

1.670

1.065

9/16

11/16

–

9/16

13/16

–

9/16

1 3/16

1 1/4 x 1/2

1.670

0.855

1/2

3/4

–

1/2

7/8

–

1/2

7/8

–

1 1/4 x 3/8

1.670

0.690

7/16

13/16

–

7/16

15/16

–

1 1/4 x 1/4

1.670

0.555

3/8

7/8

–

3/8

–

1 1/2 x 1 1/4

1.910

1.675

9/16

1 1/8

2 1/4

9/16

1 3/8

2 3/8

9/16

1 5/8

2 3/4

1 1/2 x 1

1.910

1.330

5/8

11/16

–

9/16

1 3/16

9/16

1 3/8

2 3/8

1 1/2 x 3/4

1.910

1.065

9/16

3/4

–

9/16

–

9/16

–

1 1/2 x 1/2

1.910

0.855

1/2

13/16

–

1/2

1 1/16

–

9/16

–

1 1/2 x 3/8

1.910

0.690

7/16

7/8

–

7/16

1 1/8

–

2 x 1 1/2

2.385

1.915

9/16

1 1/4

2 1/2

9/16

1 7/8

2 11/16

9/16

2 1/16

2 x 1 1/4

2.385

1.675

11/16

13/16

–

7/8

15/16

–

9/16

2 3/4

2 x 1

2.385

1.330

5/8

7/8

–

13/16

–

13/16

–

2 x 3/4

2.385

1.065

9/16

15/16

–

3/4

1 1/16

–

3/4

1 1/16

–

2 x 1/2

2.385

0.855

1/2

–

11/16

1 1/8

–

11/16

1 1/8

–

Manufacturing process and features of Reducing Insert

Manufacturing Process:

Material Selection: Choose from stainless steel, carbon steel, or alloy steel based on specific application requirements.
Material Preparation: Shape sheets, plates, or rods through cutting, shaping, or molding.
Forming: Utilize forging, casting, or machining methods to achieve the insert’s shape and dimensions.
End Preparation: Prepare ends for fittings or welding as per design requirements.
Surface Finishing: Polish, grind, or coat surfaces for enhanced durability and corrosion resistance.
Quality Control: Conduct rigorous inspections to ensure dimensional accuracy and adherence to performance standards.
Packaging: Securely package inserts after final inspection for safe distribution.

Features of Reducing Insert:

Functionality: Facilitates smooth transitions between pipes of different sizes or types within piping systems.
Materials and Pressure Rating: Available in various materials with suitable pressure ratings.
Leak Resistance: Ensures reliable sealing to prevent leaks when properly installed.
Durability: Resistant to corrosion, wear, and environmental factors for extended service life.
Versatility: Offered in multiple sizes, configurations, and materials to meet diverse application needs.
Ease of Installation: Simple to install using standard piping practices and equipment.
Cost-Effectiveness: Provides economical solutions for adapting and optimizing piping systems.

Application Of Reducing Insert

Chemical and Petrochemical Processing	Ensures secure pipe connections for chemical and petrochemical transport.
Refineries	Essential for joining pipes carrying refined products and fuels.
Electronics	Used in piping systems for cooling or process fluids in electronics manufacturing.
Fertilizer	Connects pipes handling chemicals and liquids in fertilizer production.
Power Plants (including Nuclear Power)	Critical for piping systems in conventional and nuclear power plants for fluid transport.
Oil and Gas	Essential in oil and gas operations for joining pipes under various conditions.
Paper Industries	Used in piping systems for water supply, chemicals, and other fluids in paper manufacturing.

Reducing Insert Available Types

Forged Threaded Reducing Insert	Threaded Reducing Half Insert
2000LBS Threaded Reducing Insert Fittings	6000LBS Forged Threaded Reducing Insert
ASME B16.11 Forged Threaded Pipe Reducing Insert	Threaded Forged Reducing Insert 3000LBS
ASME B16.11 Reducing Insert Threaded – Class 3000	SS Forged Threaded Reducing Insert
ANSI B16.11 Forged Threaded Reducing Insert	BS 3799 Forged Screwed Reducing Insert
Carbon Steel Threaded Reducing Insert Supplier	High Quality Threaded Reducing Insert Manufacturer
ASTM A182 Threaded Reducing Insert	Duplex Steel Threaded Reducing Insert
Super Duplex Steel Screwed Reducing Insert	Copper Nickel Threaded Reducing Insert
High Nickel Alloy Threaded Reducing Insert	Hastelloy Screwed Reducing Insert Pipe Fittings
Titanium Forged Threaded Reducing Insert	Inconel Threaded Forged Reducing Insert

Others Products

Frequently Asked Questions

Most frequent questions and answers

A reducing insert is a type of pipe fitting used to connect two pipes of different diameters. It is inserted into the end of a larger pipe to reduce the diameter to accommodate a smaller pipe, ensuring a smooth transition between sizes. This fitting is essential for applications where a reduction in pipe size is needed without compromising the integrity of the piping system.

Reducing inserts are available in various size combinations to match different pipe diameters. Standard sizes generally range from 1/8 inch to 4 inches on the smaller end, with custom sizes available upon request to meet specific needs.

Reducing inserts are installed by inserting them into the larger pipe end and then connecting the smaller pipe to the insert. The installation process involves ensuring a proper fit between the insert and both pipes, often secured with welding, threading, or adhesive, depending on the application. This creates a robust and leak-proof joint.

Yes, we offer custom manufacturing solutions for reducing inserts to meet specific requirements. Please contact us with your specifications, and we will work with you to produce the inserts you need.

The lead time for reducing inserts depends on the complexity and volume of the order. After reviewing your specifications, we will provide an estimated lead time. We strive to deliver all projects on schedule while maintaining the highest quality standards.

Reducing inserts are typically made from materials such as carbon steel, stainless steel, alloy steel, and other metals. The choice of material depends on the specific application’s requirements, including the type of fluid, temperature, pressure, and environmental conditions.

Reducing inserts are used in various industries, including oil and gas, petrochemical, power generation, water treatment, and construction. They are essential for joining pipes of different sizes in high-pressure and high-temperature environments, ensuring a secure and leak-proof connection while accommodating changes in pipe diameter.

Reducing inserts are manufactured to comply with various industry standards, such as ASME, ANSI, and DIN standards. These standards specify the dimensions, tolerances, and material requirements for reducing inserts to ensure compatibility and reliability in piping systems.

Reducing inserts offer several advantages, including:

Strong, leak-proof connections ideal for high-pressure applications
Smooth transition between different pipe sizes, ensuring efficient flow
High strength and durability
Compatibility with various materials and sizes
Compliance with industry standards for quality and reliability