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High-Quality Galvanized Bushing for Durable Pipe Connections

Jul . 23, 2025

Company Profile: Hebei Gain Trading Co., Ltd.

Product Spotlight: Galvanized Malleable Iron Bushing 241

High-Quality Galvanized Bushing for Durable Pipe Connections
  • Material: Black Heart Malleable Iron (ISO5922, ANSI/ASME/A197, DIN1692)
  • Standard: British, American, DIN
  • Size Range: 1/4” – 6” (ISO49, ANSI/ASME B16.3, DIN2950)
  • Threads: ISO7/1, ANSI/ASME B1.20.1, DIN2999
  • Tensile Strength: ≥33kg/mm²
  • Elongation: ≥8%
  • Hardness: <HB150
  • Test Pressure: 2.5MPA (25KG/CM²)
  • Working Pressure: 1.6MPA (16KG/CM²)
  • Surface Finish: Hot dipped galvanized, Black
  • Models: Elbow, Tee, Socket, Nipples, Union, Bushing, Plug, Caps, Bends, Cross, Round Flange, Reducing Elbow, Reducing Socket, Reducing Tee, Reducing Nipple, Crossover etc.
  • Connection: Threads (male and female)
  • Application: Pipeline connection of water, oil, air, steam, gas
  • Certification: ISO9001, CIQ, ITS, SGS, BV, CCIC
  • Packing: Export Carton (+ Pallets if needed), Double woven bags
  • Delivery: Within 30 days after deposit
  • Product Link: Galvanized Bushing

1. Industry Trends & Market Overview for Galvanized Bushing

Galvanized bushing products have become indispensable fittings in the global plumbing, oil & gas, and general piping industries (source). Heightened emphasis on corrosion resistance, extended life-span, and reliability have driven advancements, with manufacturers increasingly adopting improved hot-dip galvanization techniques.

Global forecasts predict a robust annual growth in galvanized fittings, spurred by infrastructural expansion in water supply, chemical, food, and petroleum sectors (as per industry market reports). The ongoing integration of automated CNC threading, nondestructive testing, and standardized quality certifications like ISO9001 and SGS assures customers of both compliance and superior performance.

Key trends include the surge in demand for specific reducer sizes, such as the 1 x 3/4 galvanized bushing and 3/4 x 1/2 galvanized bushing, offering versatility and safety in connecting pipes of different diameters. The diversity in threading standards (ISO, DIN, ANSI/ASME) underpins the global reach of products like the Galvanized Malleable Iron Bushing 241, catering to seamless compatibility across industries worldwide.

2. Technical Parameters: Galvanized Bushing Specification Table

Parameter Value / Range Description Standard
Material Malleable Iron (Black Heart) High ductility and corrosion-resistant, for durability ISO5922, ANSI/A197
Size Range 1/4” – 6” Covering most common piping sizes ISO49, ANSI/ASME B16.3
Thread Standard ISO7/1, DIN2999, ANSI B1.20.1 International thread compatibility -
Tensile Strength ≥33kg/mm² Withstands high pressure ISO5922
Test Pressure 2.5MPA Tested for pressure sustainment -
Working Pressure 1.6MPA Operating pressure in normal environment -
Surface Treatment Hot Dipped Galvanized Provides anti-corrosive layer ISO, ASTM A153
Certifications ISO9001, SGS, BV Quality & safety adherence -
Common Reducer Sizes 1 x 3/4 in, 3/4 x 1/2 in Popular choices for pipe reduction -
Connection Threaded (M/F) Easy installation and removal -

3. Key Applications & Advantages

  • Water Supply and Distribution: Corrosion-resistant galvanized bushings ensure reliable, leak-proof installations in residential, commercial, and municipal waterlines.
  • HVAC & Fire Protection: Used for joining pipes in sprinkler and cooling systems due to pressure endurance.
  • Oil & Gas: Withstand harsh environments and pressure in upstream/midstream pipeline assemblies.
  • Industrial Processing: Compatible with oil, air, steam, chemical pipelines for plant piping systems.
  • General Plumbing: Versatility through options like 1 x 3/4 galvanized bushing and 3/4 x 1/2 galvanized bushing for easy adaptation in pipe retrofitting and maintenance.

The galvanized bushing offers a cost-efficient, highly reliable solution where longevity and safety are critical in modern engineering.

4. Technical Parameter Visualization

Technical Parameter Trend for Galvanized Bushing

Main Technical Indices Comparison (Galvanized Malleable Iron Bushing 241)

5. Application Scenarios for Galvanized Bushing

Due to their outstanding resistance to rust and pressure, galvanized bushings are favored in many critical sectors:

  • Agricultural Irrigation: Connections and maintenance in irrigation infrastructure.
  • Residential Construction: Plumbing retrofits, water supply and drainage.
  • Industrial Plants: Piping air, gas and fluids in manufacturing.
  • Marine Applications: Saltwater-resilient fittings in shipbuilding and port installations.
  • HVAC and Fire Safety: In systems requiring high reliability and certified performance.
  • Utilities and Power: In critical energy distribution where durability and compliance matter.

The sizes 1 x 3/4 galvanized bushing and 3/4 x 1/2 galvanized bushing are particularly prominent in adapting pipeline diameters during system upgrades, minimizing leak points and ensuring quick maintenance.

6. Frequently Asked Technical Questions (Galvanized Bushing Q&A)

Q1: What is the material composition of a galvanized bushing?
A: Typically made from black heart malleable iron, treated with hot-dip galvanization in accordance with standards like ISO5922 or ANSI/A197 for optimal corrosion protection.
Q2: What threading standards are available?
A: Main industry standards include ISO7/1, DIN2999, and ANSI/ASME B1.20.1, ensuring compatibility globally.
Q3: How is the proper size selected, e.g., 1 x 3/4 galvanized bushing?
A: Size selection depends on pipeline outside diameter and joining requirements. 1 x 3/4 adapts a 1-inch pipe to a 3/4-inch pipe, making it ideal for reductions with minimal leakage risk.
Q4: What is the function of the galvanization layer?
A: It forms a zinc-iron barrier (per American Galvanizers Association), providing rust-resistance, extending service life even in aggressive environments.
Q5: Which installation standards should be followed?
A: Compliance with ISO49 (metric), ANSI/ASME B16.3 (imperial) and adherence to pipeline best practices for torque and sealant use ensure leak-proof operation.
Q6: What are the key certifications for galvanized bushing?
A: Look for ISO9001 (quality management), SGS/BV (material/pressure testing), and SGS pressure test certificates for global project acceptance.
Q7: What is the usual delivery time from Hebei Gain Trading Co.,Ltd.?
A: Standard lead times are within 30 days post-deposit, with options for expedited processing by arrangement.

Contact Hebei Gain Trading Co.,Ltd.



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we can supply carbon steel (butt welded) pipe fittings, stainless steel pipe fittings, brass pipe fittings, high pressure fittings, G.I.pipe, seamless steel pipe, stainless steel seamless pipe, forged/cast flanges, kinds of valves ,PTFE seal tape and other standard high quality hardware products.
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Address:Malleable Iron Zone, Shijiazhuang, Hebei, China

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