Can you accept color marks or color boxes?

Yes, both color marks and color boxes are acceptable. We have experience handling customized packaging.

Can you accept logo marking on the products?

Yes, logo customization is available on handles or valve bodies. Options include: Printing on the handle (No MOQ required), Laser marking (No MOQ required), Engraving / carving (No MOQ required), Casting on valve bodies (MOQ required).

Do you provide material certificates?

Yes, material certificates are available upon request. Each item can be laser marked with a Heat Number and supplied with corresponding material certificates.

How do you handle customer complaints, such as quality issues?

We take quality issues very seriously. Once a quality problem is confirmed, we will take full responsibility. Exchange or refund solutions are available, depending on the specific situation and customer requirements.

Reliable SS304/316 Flanges for Threaded Connection Pipe Systems

Name: Reliable SS304/316 Flanges for Threaded Connection Pipe Systems
Brand: ZHEJIANG WELFLOW VALVE CO., LTD
SKU: 1924924986

Zhejiang, ChinaZHEJIANG WELFLOW VALVE CO., LTD

US$2.80

1-99 Pieces

US$2.66

100-499 Pieces

US$2.52

500+ Pieces

Sample price:US$6.00/piece.Request sample

Product profile

Customization

Available

Standard

ANSI, DIN, GB, JIS, GOST, BSW

Type

Blind Flange

Model NO.

SS306/SS316

Material

Stainless Steel 304/316/304L/316L

Structure

Round

Connection

Welding

Sealing Surface

Manufacturing Way

Forging

Certificates

ISO9001-2015, CE

Flange Types

Flange Face

RF/FF

Pressure

Pn2.5 to Pn160

Product Name

Stainless Steel Pipe Flange

Technics

Cold Press

Surface

Mirror Polish, Matt Finish, Sand-Blasting

Usage

Oil Gas Water Industrial

Process

Forging+Machining+Heating Treatment

Keyword of Flange

Malleable Cast Iron Threaded Flanges

Transport Package

Protect Cap, PP Bag & Plywood Cases

Specification

DN8(1/4") to DN1000(40")

Trademark

WELFLOW

Origin

China

HS Code

7307210000

Production Capacity

50000piece/Month

Key features

Premium SS304/316 Material: Manufactured from high-grade stainless steel for excellent corrosion resistance and durability.

Threaded Connection Design: Internal threaded bore enables quick, leak-proof connection without welding.

Wide Pressure Range: Supports various pressure classes from PN2.5 to PN160 and Class 150-2000.

OEM/ODM Customization: Flexible customization for flange types, faces, pressure, and surface finishes.

International Standards: Complies with ANSI, DIN, GB, JIS, CE, and ISO 9001 certifications.

Reliable Sealing: Precision machined RF sealing surfaces with PTFE/RPTFE seals prevent leakage.

Fast Delivery Options: Standard SS304 items available from stock; typical lead time 30-35 days.

3-Year Warranty: Comprehensive warranty covering material and workmanship defects.

Company profile

In-stock CapacityFast DeliveryQuality Assurance100% Finished Products Inspection

ZHEJIANG WELFLOW VALVE CO., LTD

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤3.97h

About Our Factory & Business Background

AddressNo.2345, Binhai 11th Road, Wenzhou Economic and Technological Development Zone, Wenzhou City, Zhejiang Province, China.

Number of Employees41

Registered Capital10,020,000 RMB

Terms of PaymentLC, T/T, D/P

International Commercial Terms(Incoterms)FOB, CIF, CFR

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: one month

Minimum Order Quantity1 PCS

Supply Chain Partners55

Our Production Capability & Technical Expertise

Main ProductsBall Valve, Pipe Fittings, Flanges, Stainless Steel Ball Valves, Industrial Valves, Stainless Steel Flange, Forged Flange, Swing Check Valve, Stainless Steel Pipe Fittings, Flanged Ball Valve

Production Lines1

Production MachinesCNC Lahe, Sandblasting Facility, Torque Facility

QA/QC inspectors2 people

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

Inspection Method for Finished ProductsHave instructions and uniformly followed

R&D Engineers2 people

Traceability of Raw MaterialsNo