Can I request custom roller sizes?

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

Customized Q355b Custom Forging Manufacturer-Blind Flanges for Mining Slurry Conveying Pipeline

Name: Customized Q355b Custom Forging Manufacturer-Blind Flanges for Mining Slurry Conveying Pipeline
Brand: Jinan Hongtu Forging Co., Ltd
SKU: 2187865742

Shandong, ChinaJinan Hongtu Forging Co., Ltd

US$100.00

100-499 Pieces

US$60.00

500-999 Pieces

US$50.00

1,000+ Pieces

Sample price:US$100000.00/piece.Request sample

Product profile

Customization

Available

Processing Object

Metal

Molding Style

Forging

Model NO.

Flange

Molding Technics

Pressure Casting

Application

Machinery Parts

Material

Carbon Steel/Ss/Customized

Heat Treatment

Carburizing / Q&T/ Customized

Surface Treatment

Polishing

Forging Tolerance

+/-0.2mm

Standard

Certification

CE, ISO 9001:2000

Nominal Diameter

1/2"-48" (DN15 - DN1200)

Pressure Rating

Class150-2500/Customized

Wall Thickness

Sch20-160/Customized

Outer Diameter

100mm-2000mm/Customized

Number of Bolt Holes

4, 8, 12/Customized

Flange Thickness

12mm-150mm/Customized

Bolt Hole Pitch Tolerance

±0.8mm

Sealing Face Parallelism

≤ 0.2mm

Sealing Face Flatness

≤ 0.1mm

Surface Hardness

Customized

Inspection & Testing

Video Outgoing-Inspection

Provide

Machinery Test Report

Provide

OEM & ODM Custom

Sample

Transport Package

International Shipping Package

Specification

Standard specifications or customized

Trademark

OEM

Origin

Jinanchina

Production Capacity

500000pieces/Year

Key features

Designed with no center bore to provide complete and reliable flow shutoff at pipeline ends.

Utilizes standard bolted connection for quick installation, removal, and hassle-free system maintenance.

Forged under extreme pressure to ensure high structural integrity in high-pressure industrial applications.

Pairs seamlessly with standard gaskets to create a leak-proof seal that prevents gas and liquid leakage.

Available in Raised Face (RF) and Flat Face (FF) options to suit diverse sealing requirements.

Precision CNC machined to guarantee perfect dimensional compliance with international flange standards.

Covering pressure classes from Class 150 to Class 2500 to handle low to ultra-high pressure setups.

Undergoes strict ultrasonic and magnetic particle testing to ensure defect-free internal structure.

Provides an integrated, end-to-end service from design, procurement, and production to logistics and after-sales, streamlining your sourcing process seamlessly.

Delivers flexible and precise tailored solutions according to your specific drawings and technical specifications.

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: ≤0.89h

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.