Skip to content
YANHAO

YANHAO

Flanges · Pipes · Fittings

  • Home
  • FlangesExpand
    • ASME/ANSI B16.47Expand
      • Series AExpand
        • Class 150 Welding Neck
        • Class 150 Blind Flange
        • Class 300 Welding Neck
        • Class 300 Blind Flange
        • Class 400 Welding Neck
        • Class 400 Blind Flange
        • Class 600 Welding Neck
        • Class 600 Blind Flange
        • Class 900 Welding Neck
        • Class 900 Blind Flange
      • Series BExpand
        • Class 75 Welding Neck
        • Class 75 Blind Flange
        • Class 150 Welding Neck
        • Class 150 Blind Flange
        • Class 300 Welding Neck
        • Class 300 Blind Flange
        • Class 400 Welding Neck
        • Class 400 Blind Flange
        • Class 600 Welding Neck
        • Class 600 Blind Flange
        • Class 900 Welding Neck
        • Class 900 Blind Flange
    • ASME/ANSI B16.5Expand
      • ANSI B16.5 Class 150 Flanges
      • ANSI B16.5 Class 300 Flanges
      • ANSI B16.5 Class 400 Flanges
      • ANSI B16.5 Class 600 Flanges
      • ANSI B16.5 Class 900 Flanges
      • ANSI B16.5 Class 1500 Flanges
      • ANSI B16.5 Class 2500 Flanges
    • Flange typesExpand
      • Weld Neck Flanges
      • Slip-On Flanges
      • Blind Flanges
      • Lap Joint Flanges
      • Socket Weld Flanges
      • Threaded Flanges
    • Flange StandardExpand
      • ANSI Flange Standard
      • ASME Flange Standard
      • EN Flange Standard
    • Custom Flanges
    • Flange MaterialExpand
      • Stainless Steel Flanges
      • Carbon Steel Flanges
      • Alloy Steel Flanges
  • FittingsExpand
    • ElbowExpand
      • 45-Degree Long Radius Elbow
      • 90-Degree Long Radius Elbow
      • 180 Degree Long Radius Bend
      • 45-degree Elbow Pipe Fitting
      • 90-Degree Short Radius Elbow
      • 180-Degree Short Radius Bend
  • PipesExpand
    • Insulated Steel Pipe
    • Anti-corrosion Steel Pipe
  • About UsExpand
    • Blog
    • Help Center & FAQ
    • Project cases
    • Downloads
  • Contact
Catalog Download
YANHAO
YANHAO
Flanges · Pipes · Fittings
Home / Home

China BEST Industrial

_

Get samples for free

Made in China flanges, pipes, fittings. Reduced cost, improved quality, to guarantee that your pipeline production is leak-free!

Get samples for free!

What We Do

YANHAO Makes Best Flanges, Pipes, and Fittings

ansi2

ASME B16.47 Standard Flanges

asme 1

ASME B16.5 Standard Flanges

Custom Engineered Flanges

Custom Flanges

made in China, high-quality and Best-price products

Welcome to you from Hebei, China, where there are numerous pipeline equipment manufacturers. YANHAO is China’s largest and most professional pipeline production base.

Why Choose Us?

Unbeatable price

China is the production place of flange raw materials, and Yanhao is a professional flange factory. Trusting Yanhao can help you save a lot of costs.

Strong production capacity

As China’s leading flange manufacturer, we have advanced production equipment and many years of actual manufacturing experience.

Good after-sales service

Timely delivery within the specified time frame, dedicated docking service available 24/7, and one-year quality assurance.

  • WhatsApp
  • E-mail
flanges

Common Flange Types

To provide you with various types of pipe flanges of different specifications and materials. If you need a special type of flange, please feel free to contact us for flange customization.

weld neck flanges
Weld Neck Flanges (WN)

WN flange, also known as a trapped hub flange or high-hub flange, is a high-stress-containing flange. Its circular fitting component, the rim, is fitted around the circumference.

China welding neck flange products >>

Learn More
slip-on flanges
Slip-on Flanges (SO)

Slip-on flanges, as the name shows, can be easily slipped onto the end of a pipe or fitting and then welded in place. It usually has a flat face and a protruding face.

China slip-on flange products >>

Learn More
Socket Weld Flanges (SW)
Socket Weld Flanges (SW)

Socket Weld Flanges (SW) are similar to Slip-on Flanges (SO). The difference is that there is an extra piece in the middle.

China socket weld flange products >>

Learn More
blind flanges
Blind Flanges (BF)

Blind flange is also called flange cover. It is a flat, circular plate used to cover the ends of pipes, valves, or joints.

China blind flange products >>

Learn More
Socket Weld Flanges (SW)
Lap joint flange (LJ)

Consisting of two components: a stub end and a lap joint ring flange. The respective stub end is slid into the flange’s bore, and the stub end is joined to the pipe through butt welding.

China lap joint flange products >>

Learn More
Threaded flanges
Threaded Flanges (TF)

Threaded flanges are pipe flanges with internal threading to match external threads on a pipe.  The installation does not involve welding

China threaded flange products >>

Learn More

We can also make custom flanges for you

Due to the special projects of some customers, standard flanges cannot achieve the use effect, so we can also provide customized flanges as required.

The process is as follows:

  • Propose customization requirements.
  • Production and unspecified samples.
  • Pay the deposit and sign the contract.
  • Prepare materials.
  • Production according to requirements.
  • pay the balance.
  • Packaging and delivery
flange seller

Feel free to contact us for more details!

cropped icon

lewis liu

Sales Engineer

  • WhatsApp
  • E-mail

our business partner

We promise that all of our steel products come from well-known brands so that you can be sure that the quality of our flange products will last.

baogang
tg
lg
qs

what people say

Let’s take a look at the reviews of users who have used our flanges.

Sonya Martin e1716518547550
Sonya Martin

Norcross, GA

5 star rating
5 star rating
5 star rating
5 star rating
5 star rating

“ The Chinese flange is good, very good, and I will buy from you next time.”

Алексей e1716518605604
Алексей

Russia

5 star rating
5 star rating
5 star rating
5 star rating
5 star rating

“Still delivered in time for exceptional circumstances and didn’t delay my project!”

Ariana e1716519024417
Ariana

Iran

5 star rating
5 star rating
5 star rating
5 star rating
5 star rating

“ I am custom made flanges, exactly as we expected, thank you.”

08

Iranian Customer Mohammad’s Travel in China

202404223 1

Middle Eastern customers visit Yanhao pipe fittings factory

20240417 01

An American energy supplier-Finishing Flange Project

SUEZ Water Technologies & Solutions - Water Treatment Projects

SUEZ Water Technologies & Solutions – Water Treatment Projects

Novartis AG - Pharmaceutical Plant Project

Novartis AG – Pharmaceutical Plant Project

Siemens - Power Plant Project with Flanges and Fittings

Siemens – Power Plant Project with Flanges and Fittings

BASF - New Plant Installation Project

BASF – New Plant Installation Project

Subsea Oil and Gas Development Project

TechnipFMC plc – Subsea Oil and Gas Development Project

TotalEnergies Oil Energy Projects

TotalEnergies – Oil & Energy Projects

20240424170214

Flange pipe fittings use cases in oil projects

Industry knowledge

Here to share with you all sorts of relevant knowledge and information about pipe flanges.

more >>

ansiasmeb16.5

ASME vs ANSI Flanges: Understanding the Differences and Similarities

2024-11-04
image 13

Blind Flanges: Types, Uses, and Key Features

2024-12-09

Top 10 China Flange Manufacturers and Suppliers

2025-02-11
image 29

Flange Dimensions: What Do ID and OD Mean?

2024-09-25

Flange Types: A Comprehensive Guide and Their Applications

2024-12-11
carbon steel flange

How a Flange Is Made: The Flange Production/Manufacturing Process

2023-11-13
image 3

Slip-On Flanges: Types, Uses, and Installation Guide

2024-12-07
image 6

Understanding Weld Neck Flanges: Types and Applications

2024-12-07
20201130134536

How to Install Pipe Flanges: a Step-by-step Guide

2024-11-04

Having Questions? Contact Now!

  • Tel: +86-133-1307-3735
  • Email Us: sales@yanhaocn.com
  • Whatsapp:  +86 13313073735

As a leading Chinese flange manufacturer, we are committed to delivering superior-quality pipe flanges at competitive prices.

Our extensive experience and cutting-edge production technology ensure that our products meet the highest industry standards.

We pride ourselves on our ability to provide tailored solutions to meet the diverse needs of our clients, ensuring that our flanges are perfectly suited for a wide range of applications.

Trust us to be your reliable partner for all your flange requirements.

Service

  • Custom Flanges

Flange Types

  • Weld Neck Flanges
  • Socket Weld Flanges
  • Slip-On Flanges
  • Lap Joint Flanges
  • Threaded Flanges
  • Blind Flanges

Flange Materials

  • Stainless Steel Flanges
  • Carbon Steel Flanges
  • Alloy Steel Flanges

Flange Standards

  • B16.47 Flanges
  • B16.5 Flanges
  • EN Standard Flange

Quick Links

  • Home
  • About Us
  • Contact
  • Project Cases
  • Resources
  • Blog

© 2000 - 2025 Hebei Yanhao Pipeline Equipment Co., Ltd.

Facebook FacebookTwitter TwitterYouTube YouTube

Scroll to top
  • Home
  • Flanges
    • ASME/ANSI B16.47
      • Series A
        • Class 150 Welding Neck
        • Class 150 Blind Flange
        • Class 300 Welding Neck
        • Class 300 Blind Flange
        • Class 400 Welding Neck
        • Class 400 Blind Flange
        • Class 600 Welding Neck
        • Class 600 Blind Flange
        • Class 900 Welding Neck
        • Class 900 Blind Flange
      • Series B
        • Class 75 Welding Neck
        • Class 75 Blind Flange
        • Class 150 Welding Neck
        • Class 150 Blind Flange
        • Class 300 Welding Neck
        • Class 300 Blind Flange
        • Class 400 Welding Neck
        • Class 400 Blind Flange
        • Class 600 Welding Neck
        • Class 600 Blind Flange
        • Class 900 Welding Neck
        • Class 900 Blind Flange
    • ASME/ANSI B16.5
      • ANSI B16.5 Class 150 Flanges
      • ANSI B16.5 Class 300 Flanges
      • ANSI B16.5 Class 400 Flanges
      • ANSI B16.5 Class 600 Flanges
      • ANSI B16.5 Class 900 Flanges
      • ANSI B16.5 Class 1500 Flanges
      • ANSI B16.5 Class 2500 Flanges
    • Flange types
      • Weld Neck Flanges
      • Slip-On Flanges
      • Blind Flanges
      • Lap Joint Flanges
      • Socket Weld Flanges
      • Threaded Flanges
    • Flange Standard
      • ANSI Flange Standard
      • ASME Flange Standard
      • EN Flange Standard
    • Custom Flanges
    • Flange Material
      • Stainless Steel Flanges
      • Carbon Steel Flanges
      • Alloy Steel Flanges
  • Fittings
    • Elbow
      • 45-Degree Long Radius Elbow
      • 90-Degree Long Radius Elbow
      • 180 Degree Long Radius Bend
      • 45-degree Elbow Pipe Fitting
      • 90-Degree Short Radius Elbow
      • 180-Degree Short Radius Bend
  • Pipes
    • Insulated Steel Pipe
    • Anti-corrosion Steel Pipe
  • About Us
    • Blog
    • Help Center & FAQ
    • Project cases
    • Downloads
  • Contact