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.

Premium Stainless Steel RF Flat Welded Spectacle Blind Flange

Name: Premium Stainless Steel RF Flat Welded Spectacle Blind Flange
Brand: Wenzhou Long'an Flange Co., Ltd.
SKU: 2172944355

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

Blind Flange

Model NO.

Blind Flange

Material

Stainless Steel

Structure

Flanges

Connection

Welding

Sealing Surface

Manufacturing Way

Forging

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

DN10-DN2000

Trademark

Origin

China

HS Code

7307210000

Production Capacity

280tons/Week

Key features

Customizable Sealing Face: Sealing faces including RF, FF, and RTJ are fully customizable to meet specific project requirements.

Wide Material Selection: Available in Stainless Steel, Carbon Steel, Duplex, and Pipeline Steel grades like 304, 316L, and 2205.

OEM/ODM Acceptance: We accept OEM and ODM orders, providing design services and flexible customization options.

Multi-Standard Compliance: Products comply with ANSI, DIN, GB, JIS, GOST, EN, and BS standards for global applicability.

Large Diameter Capacity: Capable of manufacturing flanges up to DN1200 with a max outside diameter of 6000mm.

100% Quality Inspection: Every product undergoes 100% visual and functional inspection to ensure zero defects.

Professional Export Service: Exporting to over 30 countries with support for Certificate of Origin and NACE material certification.

Fast Lead Time: Standard lead time is 15-50 days depending on quantity, with peak season efficiency within 15 workdays.

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: ≤5.35h

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 products 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 manufacturing capabilities, we supply a one-stop service including fittings, flanges, valves, and stainless steel seamless pipes.

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 to discuss your specific requirements.

Q:Can we visit your factory?

We warmly welcome factory visits. Once you provide your schedule, we will arrange a professional sales team to follow up and guide your visit.