Is OEM and ODM service available?

Yes, we support OEM and ODM services with custom drawings and specifications.

What pressure classes are available?

We supply Class 150, 300, 400, 600, 900, 1500, and 2500 pressure classes.

What is your factory certification status?

We hold ISO9001:2015 certification and TUV/PED pressure vessel manufacturing license.

Long Welding Neck Flange Lwn Flange ANSI B16.5 Class 150 Flanges

Name: Long Welding Neck Flange Lwn Flange ANSI B16.5 Class 150 Flanges
Brand: Shanxi Donghuang Wind Power Flange Manufacturing Co., Ltd.
SKU: 664548825

Shanghai, ChinaShanxi Donghuang Wind Power Flange Manufacturing Co., Ltd.

US$10.00-2,000.00

1 Piece

Sample price:US$50.00/piece.Request sample

Product profile

Customization

Available

Standard

ANSI, DIN, GB, JIS, GOST, BSW, En1092-1

Type

Welding Flange

Model NO.

MGLWN

Material

Carbon Steel

Structure

Flanges

Connection

Welding

Sealing Surface

Manufacturing Way

Forging

1/2 - 24

Inch

Lead Time

10-25days

Certificates

PED, Ht, Mtc, En3.1, Co, etc..

Color

Metal Color, Black or Golden or as Requested

Materials Available

CS, Ss, Dss, Alloy Steel

Face Type

RF, FF, Rtj, Groove, etc..

Transport Package

Plywood Case

Specification

TUV

Trademark

DHDZ

Origin

China

HS Code

73079100

Production Capacity

12000 Ton / Year

Key features

Customizable Material Options: Available in Carbon Steel, Stainless Steel, Duplex, and Alloy Steel as requested.

Customizable Color Finish: Options include Metal Color, Black, Golden, or custom colors per request.

Wide Range of Standards: Complies with ANSI, DIN, GB, JIS, GOST, BSW, and EN1092-1 standards.

Multiple Pressure Classes: Available in Class 150, 300, 400, 600, 900, 1500, and 2500.

Comprehensive Certifications: Includes PED, HT, MTC, EN3.1, and Co certificates upon request.

ISO and TUV Certified: Factory holds ISO9001:2015 certification and TUV/PED pressure vessel license.

Custom Manufacturing Service: OEM and ODM services available with custom drawings and specifications.

Fast Lead Time: Production lead time ranges from 10 to 25 days depending on order volume.

Company profile

Shanxi Donghuang Wind Power Flange Manufacturing Co., Ltd.

Shanghai, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2001-06-01 CertifiedNearest Port: Tianjin Port, Shanghai Port, Qingdao PortAverage Response Time: ≤3.58h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryShanxi Donghuang Wind Power Flange Manufacturing Co., Ltd. is identified as a Chinese manufacturer of steel flanges and forgings, with operations associated with Dingxiang, Shanxi, and a Shanghai head office. The supplier reports ISO9001:2015, PED, and TUV-related certifications, five production lines, 6–10 quality-control staff, and annual steel forging and flange productivity of 5,000 tons. It offers standardized and customized products, including multiple flange types, rings, shafts, blocks, disks, and other forgings. Export activity reportedly began in 2001, with exports representing 41%–50% of sales and customers in more than 15 countries. Evidence supports production, certification, customization, and international customer experience. However, after-sales capability is only described as an intended quality-related process, innovation evidence is limited to one year of total R&D engineer experience, and financial credibility cannot be assessed from the provided information.

Supplier typeThe supplier is described both as a trading company and as a manufacturer. Its formal entity information identifies Shanxi Donghuang Wind Power Flange Manufacturing Co., Ltd. as a manufacturer, while its business description states that it manufactures and exports flanges and forgings in China.

CertificationsThe supplier reports an ISO9001:2015 certificate and states that it holds ISO-system, PED, and TUV certifications. Its stated compliance scope includes processes, materials, testing, storage, delivery, and after-sales service, although the specific validity and coverage of each certificate are not provided.

Production capacityThe supplier reports five production lines, 6–10 quality-control staff, 60 employees, and annual production of 5,000 tons of steel forgings and flanges. Its product scope includes large flanges, rings, square forgings, shafts, and related components, supporting a demonstrated manufacturing capability.

Customization capabilityThe supplier explicitly identifies standardization and customization as advantages and lists customized flanges and forgings among its offerings. The product range includes multiple flange configurations and forging forms, directly supporting customization capability.

Client casesThe supplier states that it serves clients in more than 15 countries across the EU, USA, Gulf area, UK, South America, Australia, and Asia, and reports export activity beginning in 2001. The provided trade information also identifies a Ukraine-related buyer record registered in June 2025, although detailed project references or customer performance evidence are not supplied.