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Duplex 2205 Plugs & Bushings

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Sunmach manufactures supreme Stainless Steel Plug & Bushing sets and high-capacity Duplex Plug & Bushing components designed to ensure an absolute, pressure-tight seal. Built with precise, deep thread paths that form a flawless mechanical block, these specialized pieces prevent fluid leaks, stop cross-threading during installation, and never back out under severe line vibrations. In heavy-duty industrial piping and fluid networks, standard connection ports face extreme challenges from changing pressure cycles and deep temperature shifts. Relying on poorly fitting hardware to seal off access holes or bridge different pipe diameters can quickly cause fluids to bypass the threads, creating hazardous workplace leaks and expensive maintenance shut-downs. To ensure permanent environmental safety across oil and gas platforms, water treatment lines, and chemical processing facilities, we produce our entire product line using only pure, certified metals. We offer a versatile selection of high-grade materials, from cost-effective Stainless Steel Plug & Bushing components tailored for long-term outdoor corrosion resistance to advanced Duplex Plug & Bushing options that offer exactly twice the mechanical strength of traditional hardware. Every single production batch is completely checked inside our laboratories to guarantee it can handle high operating pressure, aggressive chemical flow, and harsh weather conditions without failing, providing a dependable, worry-free service life of up to 50 years.

Precision exotic metal plugs and bushings - threaded fastener components

Duplex 2205 Plugs & Bushings

Our advanced manufacturing facility is equipped with precision CNC threading, boring, machining, and heat treatment capabilities to produce Duplex 2205 Plugs & Bushings that comply with international standards. Every component is manufactured from certified raw materials sourced from globally recognized mills, undergoes rigorous quality inspections, and offers 100% material traceability. With ISO 9001:2015 certified manufacturing, comprehensive testing facilities, rapid production capability, and global exports across the GCC, Europe, Southeast Asia, and North America, Sunmach delivers reliable Duplex 2205 Plugs & Bushings for the most demanding industrial applications.

Nickel Alloys Plugs and Bushings are manufactured by us from a range of high-performance & exotic materials such as: Hastelloy® C-276, Hastelloy® C-22, Hastelloy® B-2, Monel® 400, Monel® K-500, Inconel® 600, Inconel® 625, Inconel® 718, Titanium Grade 2, Titanium Grade 5, Titanium Grade 7, Duplex S31803, Duplex S32205, Super Duplex S32750 to various Stainless Steel grades of SS 304L, SS 316L, SS 310, SS 310H, SS 347H, etc., followed by Special Stainless Steel Grades such as 904L Stainless Steel, UNS N08904, DIN EN 1.4539, Nitronic® 50, Nitronic® 60, UNS S21800, 254 SMO, UNS S31254, DIN EN 1.4547, A4-80 Stainless Steel etc.

Sunmach’s extensive manufacturing capabilities and in-stock genuine & authentic raw material availability allow us to support demanding industrial requirements with durable, corrosion-resistant, heat-resistant & reliable Duplex 2205 Plugs and Bushings delivered on time to any corner of the world, supported by all required test certificates and with 100% traceability.

Nickel Alloy Plugs and Bushings Specifications

Using Advanced Hot Forming Technology, Our Nickel Alloys Plugs and Bushings are manufactured in various specifications including DIN, ISO, ANSI and IS standard in nominal diameters ranging from 1/8” to 4” (Pipe Size from 3 to 100). We provide Plugs and Bushings in both Imperial and metric sizes to accommodate diverse application needs. Our Nickel Alloys Plugs and Bushings are specially engineered to withstand high temperature and high-pressure, ensuring superior strength and reliability.

Nickel Alloy Plugs and Bushings Application Industries

Sunmach serves a diverse range of markets including Chemical Processing, Semiconductor, Power Generation, Aerospace, Oil & Gas, Pharmaceutical, Food & Beverage, Marine, Pulp & Paper, Petrochemical & Refining, Air Pollution Control and Water Treatment.

Sizes

Metric : Pipe Size 3 to 100
Imperial : 1/8" to 4"
MOQ : 1 Piece & Above
Certification : EN 10204 3.1, EN 10204 3.2 (On Demand)

Specification

Bolt DIN ISO ANSI IS
Plugs and Bushing 931 4014 B18.2.1 1364

Nickel Alloy Plugs and Bushing Material Options

DUPLEX STAINLESS STEEL PLUGS AND BUSHINGS

Duplex 2205, UNS S32205, S31803, UNS 31803, DIN EN 1.4462

SUPER DUPLEX STAINLESS STEEL PLUGS AND BUSHINGS

Super Duplex 2507, UNS S32750, DIN EN 1.4410
Super Duplex S32760, UNS S32760, DIN EN 1.4501

HASTELLOY PLUGS AND BUSHINGS

Hastelloy® C-276, UNS N10276, DIN EN 2.4819
Hastelloy® C-22, UNS N06022, DIN EN 2.4602
Hastelloy® B-2, UNS N10665, DIN EN 2.4617

INCONEL PLUGS AND BUSHINGS

Inconel® 600, UNS N06600, DIN EN 2.4816
Inconel® 601, UNS N06601, DIN EN 2.4851
Inconel® 625, UNS N06625, DIN EN 2.4856
Inconel® 718, UNS N07718, DIN EN 2.4668

INCOLOY PLUGS AND BUSHINGS

Incoloy® 800, UNS N08800, DIN EN 1.4876
Incoloy® 800H, UNS N08810, DIN EN 1.4958
Incoloy® 800HT, UNS N08811, DIN EN 1.4959
Incoloy® 825, UNS N08825, DIN EN 2.4858
Incoloy® 925, UNS N09925

STAINLESS STEEL 300 SERIES PLUGS AND BUSHINGS

304 Stainless Steel, UNS S30400, DIN EN 1.4301
304L Stainless Steel, UNS S30403, DIN EN 1.4306
316 Stainless Steel, UNS S31600, DIN EN 1.4401
316L Stainless Steel, UNS S31603, DIN EN 1.4404
310S Stainless Steel, UNS S31008, DIN EN 1.4845
317L Stainless Steel, UNS S31703, DIN EN 1.4438
321 Stainless Steel, UNS S32100, DIN EN 1.4541
330 Stainless Steel, UNS N08330, DIN EN 1.4864

NICKEL PLUGS AND BUSHINGS

Nickel 200, UNS N02200, DIN EN 2.4060, 2.4066
Nickel 201, UNS N02201, DIN EN 2.4061, 2.4068

TITANIUM PLUGS AND BUSHINGS

Titanium Gr-2, UNS R50400, DIN EN 3.7035
Titanium Gr-5, UNS R56400, DIN EN 3.7164, 3.7165
Titanium Gr-7, UNS R52400, DIN EN 3.7235

MONEL PLUGS AND BUSHINGS

Monel® 400, UNS N04400, DIN EN 2.4360
Monel® K-500, UNS N05500, DIN EN 2.4375

SPECIAL STAINLESS STEEL PLUGS AND BUSHINGS

904L Stainless Steel, UNS N08904, DIN EN 1.4539
Nitronic® 60, UNS S21800, DIN EN
254 SMO, UNS S31254, DIN EN 1.4547
A4-80 Stainless Steel

Dimensions - Imperial

Dimensions - Metric

Frequently Asked Questions

Common questions about Sunmach Duplex 2205 Plugs & Bushings

Plugs are used to permanently or temporarily close off open pipe ports, valves, or manifold outlets under high pressure. Bushings are used to transition a pipe run to a smaller size or align a smaller bore within a larger opening. Utilizing Duplex 2205 ensures these critical sealing points do not corrode or leak over a 20-to-30-year lifecycle.

Standard 316L stainless steel features lower mechanical strength and is highly susceptible to crevice corrosion underneath pipe threads when exposed to wet, chloride-rich environments. Duplex 2205 plugs and bushings provide twice the yield strength and outstanding pitting resistance, preventing thread damage, galling, and leakage in seawater or active chemical lines.

We utilize high-yield, certified Duplex 2205 raw materials that have been properly solution-annealed per ASTM Standards. This metallurgy is paired with SPC-monitored CNC thread-cutting to keep the thread pitch diameter within a strict ±0.05 mm limit, ensuring a perfect thread mesh that distributes clamping stress evenly and prevents stripping.

Every premium batch is dispatched with complete material traceability. This includes EN 10204 3.1 Mill Test Certificates (MTC) verifying the raw material heat chemistry, physical tensile test results, Rockwell hardness measurements, and dimensional inspection logs proving complete compliance with customer engineering drawings.