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Aboutbj
Shanghai Zhucheng Pipe Fittings Manufacturing Co Ltd.
Specializing in the producing and processing of pipes fittings.
Our company is located in China's international economic, financial, trade and shipping center, with a unique geographical location. Our products are mainly used in chemical industry, oil, natural gas, water conservancy, power plant, shipyard and other fields. Our business goal is providing high-quality products, technical support and good after-sales service for customers.. We hope to win-win cooperation with customers and create a more brilliant future together.
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Our Service
Quality Product , Professional Knowledge, Good 
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Specialized in product & Expertise in type
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Why Choose US
Integrity Management, Pursuit Excellence, Quality assurance
"Reputation First, Customers Foremost" is the aim of our service
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News
Standards and Specifications for Blind Flange

This guide provides a complete overview of blind flange (flange cover) standards, including ASME B16.5/B16.47 and EN 1092 manufacturing specs, ASTM A105/A182 and EN 10222 material grades, and RF, FF, MFM, TG, RTJ face types. It also covers companion fastener and gasket standards, installation tips, and key applications in petrochemical, power, and marine industries. Essential reading for engineers and procurement specialists.

2026-03-06
blind-flange.jpg
2026-03-06
Standards and Specifications for Blind Flange

This guide provides a complete overview of blind flange (flange cover) standards, including ASME B16.5/B16.47 and EN 1092 manufacturing specs, ASTM A105/A182 and EN 10222 material grades, and RF, FF, MFM, TG, RTJ face types. It also covers companion fastener and gasket standards, installation tips, and key applications in petrochemical, power, and marine industries. Essential reading for engineers and procurement specialists.

READ MORE
ASME B16.5 Flange Fastener Selection Guide

ASME B16.5 flanges play a vital role in industrial piping systems. Their safety and reliability largely depend on the correct selection and installation of fasteners. The dimensional accuracy, pressure class, and material requirements for ASME B16.5 flange fasteners are strictly regulated. These sta

2026-03-06
asme b16.5 flange bolts & stud bolts.jpg
2026-03-06
ASME B16.5 Flange Fastener Selection Guide

ASME B16.5 flanges play a vital role in industrial piping systems. Their safety and reliability largely depend on the correct selection and installation of fasteners. The dimensional accuracy, pressure class, and material requirements for ASME B16.5 flange fasteners are strictly regulated. These sta

READ MORE
ASME B16.20 Standard Flange Gaskets

ASME B16.20 standard for flange gaskets is an authoritative guide published by the American Society of Mechanical Engineers (ASME) that specifies the design, manufacturing, and dimensions of metallic spiral-wound gaskets, jacketed gaskets, and ring joint gaskets for pipe flanges. Selecting gaskets that comply with this standard is a fundamental requirement for ensuring a tight seal at flange connections under high temperature, high pressure, and harsh media conditions.

2026-02-27
GASKET OF FLANGE.jpg
2026-02-27
ASME B16.20 Standard Flange Gaskets

ASME B16.20 standard for flange gaskets is an authoritative guide published by the American Society of Mechanical Engineers (ASME) that specifies the design, manufacturing, and dimensions of metallic spiral-wound gaskets, jacketed gaskets, and ring joint gaskets for pipe flanges. Selecting gaskets that comply with this standard is a fundamental requirement for ensuring a tight seal at flange connections under high temperature, high pressure, and harsh media conditions.

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ASTM A193 B7/B7M High Strength Bolts

ASTM A193 B7/B7M bolts, with their excellent strength, toughness, and high temperature resistance, meet the needs of industries such as petrochemicals, power energy, and pressure vessels. The reliability and safety of industrial pipeline and equipment connections are extremely important in high-temp

2026-02-06
astm a193 b7&b7m hex bolt&stud bolt&socket bolt .jpg
2026-02-06
ASTM A193 B7/B7M High Strength Bolts

ASTM A193 B7/B7M bolts, with their excellent strength, toughness, and high temperature resistance, meet the needs of industries such as petrochemicals, power energy, and pressure vessels. The reliability and safety of industrial pipeline and equipment connections are extremely important in high-temp

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CONTACT US
Tel: (+86) 372-2155516
Mobile: (+86) 18625862121
Email:order@zzsteels.com
Contact: Jerry Zhao
Address: No 888 Xigangshen Road Jiading Shanghai

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