Can I request custom roller sizes?

Absolutely! We can customize them based on the drawings and specifications you provide.

Precision Machined Welding Neck Flange for Industrial Pump Valve Connection

Name: Precision Machined Welding Neck Flange for Industrial Pump Valve Connection
Brand: Jinan Hongtu Forging Co., Ltd
SKU: 2171594772

Shandong, ChinaJinan Hongtu Forging Co., Ltd

US$2.00-10,000.00

1,000 Pieces

Sample price:US$100000.00/piece.Request sample

Product profile

Customization

Available

Standard

ANSI, DIN, GB, JIS

Type

Wn/So

Model NO.

Supports customization

Material

Ss/Customized

Structure

Flanges

Connection

Flanged

Sealing Surface

RF/FF/Customized

Manufacturing Way

Forging

Technique

Casting/Forging/ Customized

Nominal Diameter (DN)

DN15, DN50, DN200

Flange Outside Diameter

95mm (DN15)/200mm (DN80)/Customized

Flange Inside Diameter

17.3mm(DN15)/Customized

Number of Bolt Holes

4/8/12/Customized

Thickness

12mm~58mm/Customized

Flange Height

20mm~78mm/Customized

Neck Diameter

45mm(DN10)/Customized

Sealing Face Height

Usually 2mm

Nominal Pressure (Pn)

Pn2.5, Pn10, Pn16, Pn25, Pn40, Pn160

Pressure Class

Class 150, 300, 600, 900, 1500, 2500

Forging Ratio

≥ 3:1 / ≥ 4:1

Video Outgoing-Inspection

Provided

Machinery Test Report

Provided

OEM & ODM Custom

Transport Package

Internationa Package

Specification

Standard specifications or customized

Trademark

OEM

Origin

Jinanchina

Production Capacity

500000pieces/Year

Key features

The unique hubbed design effectively distributes piping stress, significantly enhancing structural rigidity at the connection.

Available in both welding neck (WN) and slip-on (SO) types to satisfy various pressure ratings and installation conditions.

Utilizing integral forging technology to maintain continuous metal grain flow and a denser internal structure.

Exceptional sealing performance makes it suitable for demanding pipelines with high temperatures, high pressures, or cyclic stresses.

Supports Raised Face (RF), Flat Face (FF), and Ring Type Joint (RTJ) to accommodate various gasket sealing requirements.

Dimensions and tolerances strictly comply with major international standards, including ASME, DIN, EN, and JIS.

Quality inspections are conducted from processing to finished products to ensure reliable dimensional stability.

Supports diverse processing based on drawings or samples, enabling flexible collaboration tailored to your parameters.

Packed in reinforced wooden cases or pallets with moisture-proof wrap to ensure intact long-distance transit.

We offer dependable technical consultation and after-sales support to help resolve engineering queries in piping connections.

Company profile

High Repeat Buyers ChoiceFast DeliveryRaw-Materials TraceabilityStandardized quality control

Jinan Hongtu Forging Co., Ltd

Shandong, 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: 3 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤0.36h

AI-Powered supplier vetting

SummaryThe supplier operates in metalworking and machinery-related manufacturing, including forging, machining, gear and transmission components, hardware products, and mechanical parts. It reports ISO9001:2015, ISO14001, and ISO45001:2018 certifications, raw-material traceability, 100% finished-product inspection, and four quality inspectors. The supplier offers broad customization and ODM services, has three R&D engineers, and launched new products during the past year. However, service-management procedures lack supporting records, and the supplier has no overseas warehouse, showroom, agents or branches, or offline trade-show participation. Financial information is only represented by years rather than substantive financial indicators, so financial credibility cannot be determined from the provided evidence. It reports OEM service for known brands but no Fortune 500 cooperation.

Supplier typeThe supplier is a manufacturing-oriented metalworking and machinery-parts provider, covering forging, machining, mechanical parts, hardware products, gears, reducers, and transmissions. Its description specifically presents end-to-end capability from forging raw materials to precision-finished parts, indicating an integrated industrial component supplier rather than a purely trading-focused business.

CertificationsThe supplier reports ISO9001:2015 quality management certification, ISO14001 environmental management certification, and ISO45001:2018 occupational health and safety certification. These are explicit certifications covering quality, environmental, and occupational safety management.

R&D capabilityThe supplier reports three R&D engineers, new products launched during the past year, ODM services, and multiple customization modes. However, it has no available SDK, which limits evidence of software-development or SDK-related innovation; overall product and design innovation capability is explicitly supported.

Production capacityProduction evidence includes lathes, machining centers, vertical lathes, and forging machines, with business coverage in forging, machining, gears, reducers, transmissions, hardware, and mechanical parts. The supplier also reports raw-material traceability and 100% finished-product inspection supported by four quality inspectors, indicating established manufacturing and quality-control capacity.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM service availability, providing direct evidence of broad product-development and customization support.

Product Q&A

Q:May I get a cheaper price?

A workable discount will be given if there's a large quantity.

Q:Is OEM acceptable?

Yes, please contact us for design details. We will offer you a reasonable price and make samples for you.

Q:What's your quality guarantee?

We have our professional quality control workers with inspection machines. Or if you have a Chinese agency, you also can ask them to do an inspection in our factory before shipment.

Q:Can I visit your factory before ordering?

Yes, you're warmly welcome to visit our factory.

Q:Do you provide samples? Is it free or charged?

Yes, we can offer samples free but shipping charges are covered by customer.