How does flange connection work?

A flange connection is an assembly involving two pieces of equipment, pipes or pipe fittings, two flanges, flange mats, and bolts. Different types of washers are also used with the flange connection to secure the connection. Besides, a flange connection culminates in joining two materials using inner and outer lip parts or flanges. For each of the opposing flange faces to form a seal, force (gasket compression or sealing pressure) must be exerted and maintained. To ensure flanges stay in place,

Long an Stainless Steel Flange Welding Neck Pipe Fitting for Industrial Use

Name: Long an Stainless Steel Flange Welding Neck Pipe Fitting for Industrial Use
Brand: Wenzhou Long'an Flange Co., Ltd.
SKU: 2179445885

Zhejiang, ChinaWenzhou Long'an Flange Co., Ltd.

US$0.10-1.00

100 Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Standard

ANSI, DIN, GB, JIS, GOST

Type

Welding Flange

Model NO.

WN flanges

Material

Stainless Steel

Structure

Flanges

Connection

Welding

Sealing Surface

Manufacturing Way

Forging

Brand Name

Long an

Warranty

1 Year

Customized Support

OEM&ODM

Package

Wooden Box or Pallet or Carton

Technology

Forged

Model Number

Flange

Application

Petroleum, Natural Gas, Water Disposal

Delivery Time

10-20

Pressure

Pn6/10/16/25/40/63

Service

Within 24hours Reply

Transport Package

Wooden Box

Trademark

Long'an Flange

Origin

Wenzhou, China

HS Code

7307210000

Production Capacity

1000000

Key features

Comprehensive Customization: Supports OEM/ODM, customization from samples/designs, and flexible minor customization options.

Multi-Standard Compliance: Meets ANSI, DIN, GB, JIS, GOST, EN1092, BS4504, and AMSE B16.5 standards.

Wide Material Selection: Available in Stainless Steel, Carbon Steel, Duplex Stainless Steel, and Pipeline Steel grades.

Extensive Size Range: Sizes from DN15 to DN1200 with max outside diameter up to 6000mm and pressure up to PN400.

Advanced Manufacturing: Forged manufacturing with 100+ CNC lathes and high-precision machining centers for accuracy.

Fast Response Support: Technical service and replies provided within 24 hours.

Low MOQ for Standard Items: Minimum Order Quantity is 1 piece for normal and standard products.

Global Export Experience: Exported to over 30 countries including USA, Germany, Japan, and Brazil with 10+ years experience.

Company profile

Importers and ExportersYears of Export ExperienceExhibition Experience

Wenzhou Long'an Flange Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 11 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤1.23h