How does a flange connection work?

A flange connection joins two pieces of equipment or pipes using two flanges, bolts, and a gasket. Force is exerted to compress the gasket, forming a tight seal between the flange faces to prevent leakage.

What materials are available for these flanges?

We offer Stainless Steel (A182 F304/304L, F316/316L, etc.), Carbon Steel (A105, A350LF2, etc.), Duplex Stainless Steel, and Pipeline Steel options.

What standards do your flanges comply with?

Our flanges comply with multiple international standards including ANSI B16.5, DIN, GB, JIS, GOST, EN1092, and BS4504.

High-Quality ASME B16.5 RF Socket Weld Flanges for Global Export

Name: High-Quality ASME B16.5 RF Socket Weld Flanges for Global Export
Brand: Wenzhou Long'an Flange Co., Ltd.
SKU: 2173187355

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

US$0.10-1.00

100 Pieces

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Standard

ANSI, DIN, GB, JIS, GOST

Type

Sw Flange

Model NO.

Socket Weld Flange

Material

Stainless Steel

Structure

Flanges

Connection

Welding

Sealing Surface

Manufacturing Way

Forging

Executive Standard

ASME B16.5

Pressure

15#-2500#

Sealing Face

RF FF Rj

Manufacturing Method

Forging

Customized

Acceptable

MOQ

100PCS

OEM

Acceptable

Transport Package

Wooden Cases or Wooden Pallets

Specification

DN15-DN1200

Trademark

Origin

China

HS Code

7307210000

Key features

Wide Material Selection: Includes Stainless Steel (304/316L), Carbon Steel, Duplex, and Pipeline Steel options.

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

Customizable Sealing Faces: Offers RF, FF, RTJ, and Groove sealing surfaces with customizable options.

OEM/ODM Acceptance: Accepts OEM and ODM services with design support and flexible customization.

Large Diameter Capacity: Capable of producing flanges up to 6000mm outside diameter and 2000mm+ workpieces.

100% Quality Inspection: Ensures 100% qualified products through visual and functional inspection processes.

Global Export Experience: Exported to over 30 countries including USA, Germany, Japan, and Southeast Asia.

Flexible MOQ: Minimum Order Quantity starts from 1 piece for standard products.

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: ≤1.66h

About Our Factory & Business Background

AddressNo. 620, Mingzhu Road, Yongxing Street, Longwan District, Wenzhou, Zhejiang, China

Plant Area6000.3 square meters

Number of Employees105

Registered Capital50,000,000 RMB

Terms of PaymentLC, T/T, Western Union, PayPal, D/P, Small-amount payment

International Commercial Terms(Incoterms)FOB, CFR, CIF, EXW

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Minimum Order Quantity1 Pc

Supply Chain Partners10

Our Production Capability & Technical Expertise

Main ProductsFlange

Production MachinesCNC Lathe machine, CNC Drilling machine

Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)

Inspection Method for Finished ProductsHave instructions and uniformly followed

Traceability of Raw MaterialsYes

Our Industry Experience & Global Business Record

Year of Establishment2013-11-08

Main MarketsDomestic

Repeat Buyers Choice30%~50%

Overseas Agent/BranchNo

New Products Launched in Last yearYes

Our Certifications, Standards & Industry Recognition

Cooperated with Fortune 500No

Product Q&A

Q:How many countries have you exported to?

We have exported stainless steel pipes and flanges to more than 30 countries, mainly including Egypt, Turkey, India, Iran, Dubai, Thailand, and the Philippines.

Q:What is your product range?

Based on our stainless steel seamless pipe factory, we supply a ONE-STOP service including fittings, flanges, valves, and other related components.

Q:What is your delivery time?

Delivery time depends on the demanded quantities and your location, typically ranging from 15 to 50 days.

Q:Can you provide OEM service?

Yes, we welcome OEM services. Please contact us for more details and discussions regarding your specific requirements.

Q:Can we visit your factory?

Yes, you are warmly welcome. Once we have your schedule, we will arrange a professional sales team to follow up and assist with your visit.