304 Stainless Steel Large Diameter Plate Flat Weld RF Flange

Name: 304 Stainless Steel Large Diameter Plate Flat Weld RF Flange
Brand: Jtong Group Co., Ltd.
SKU: 2334867925

Jiangsu, ChinaJtong Group Co., Ltd.

US$18.00-65.00

100 Pieces

Sample price:US$70.00/piece.Request sample

Product profile

Customization

Available

Standard

ANSI, DIN, GB, GOST

Type

Welding Flange

Model NO.

Customized

Material

Stainless Steel

Structure

Flanges

Connection

Flanged

Sealing Surface

Manufacturing Way

Casting

Dimensional Tolerance

±0.10mm (Customizable)

Min Wall Thickness

≥1.5mm (Customizable)

Max Casting Outline Dimension

up to 800mm

Applicable Material

304 Stainless Steel, 316 Stainless Steel, Carbon S

Secondary Machining Capability

5 Axis CNC Machining, Mirror Polishing, Drilling,

Mold Type

Wax Mold + Ceramic Shell Mold

Surface Treatment Option

Pickling & Passivation, Mirror Polishing

Available Heat Treatment

Quenching & Tempering, Annealing, Normalizing, Sol

Valve Type

Ball Valve, Globe Valve, Gate Valve

Pressure Rating

Pn10-Pn64, Class 150-Class 600

Size Range

DN15-DN300 (1/2"-12"), Customizable

Transport Package

Customized

Specification

Customized

Trademark

Jtong

Origin

China

HS Code

7307210000

Production Capacity

100tons/Month

Key features

Made of high-grade 304/316 stainless steel via hot forging, with a dense internal structure, excellent pressure-bearing capacity, and corrosion resistance.

Large-diameter plate flat-welding design, convenient for on-site welding installation, widely used in large industrial pipeline systems.

Raised face sealing surface with precision-machined water lines and high flatness accuracy ensures zero-leakage sealing with gaskets.

Standard bolt hole positions and dimensions, good interchangeability, compatible with flanges of the same standard.

Multiple international standards, including ANSI, DIN, GB, and GOST, are widely adopted in specifications for global engineering pipelines.

CNC precision machining ensures strict dimensional tolerance, smooth surfaces without burrs, and reliable assembly performance.

Excellent corrosion resistance, suitable for water, oil, gas, and chemical media, as well as various corrosive working conditions.

Strict full-process quality control, dimensional inspection, and hydraulic pressure testing for each product batch.

Company profile

Cooperated with Fortune 500Fast DeliveryFull CustomizationR&D Capabilities

Jtong Group Co., Ltd.

Jiangsu, 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.Export Year: 2026-02-01Nearest Port: Binhai Port, Dafeng PortAverage Response Time: ≤1.56h

AI-Powered supplier vetting

SummaryThe supplier presents itself as an ODM/OEM partner serving power generation, water treatment, petrochemical, and industrial automation markets. It reports flexible customization, 3D design services, recent product development, quality assurance, documented corrective-action and complaint-handling procedures, and approximately six years of export experience with 31%–40% of sales from exports. It also states membership in the China Valve Industry Association and qualification as a National Power System supplier. However, it reports no valid manufacturing-capacity contract with related subcontractors, no inventory, overseas warehouse, overseas showroom, overseas agents or branches, or offline trade-show participation. Material traceability is absent, and the supplied financial records show zero values, limiting confidence in financial credibility. Customer-specific cases are not provided.

Supplier typeThe supplier describes itself as an ODM/OEM partner for power generation, water treatment, petrochemical, and industrial automation applications. Its stated business scope also includes waste processing, construction and metal materials, office equipment, surveillance, networking, and information-security equipment, indicating a broad and potentially diversified profile.

CertificationsThe supplier explicitly states that it is a member of the China Valve Industry Association and a qualified supplier for the National Power System. These are stated industry affiliations and qualification claims, although no certificate numbers, validity dates, or supporting documents are provided.

Financial creditThe supplied financial information reports zero operating revenue, costs, profits, cash receipts, cash inflows, cash outflows, and current ratio for the stated periods. These records do not establish financial strength and create a material basis for concern, although the data alone does not explain whether the values reflect inactive operations, reporting limitations, or another issue.

R&D capabilityThe supplier reports 3D software design services and states that it introduced new products during the past year. This provides explicit evidence of active product-development capability.

Customization capabilityThe supplier explicitly offers customization from samples and designs, full and minor customization, flexible customization, and 3D software design services. Its ODM/OEM positioning further supports the conclusion that it is structured to handle customer-specific requirements.