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304 Stainless Steel Forged RF Face Blind Pipe Flange for Pipeline
US$3.00-65.00
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

RF

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 precision hot forging, with a dense internal structure and excellent pressure-bearing capacity.
Raised face sealing surface with precision-machined water lines, high flatness accuracy, ensures reliable zero-leakage sealing with gasket.
Integral one-piece forging structure without welding seams stably withstands long-term pipeline pressure with no fracture risk.
Standard bolt hole positions and dimensions, good interchangeability, can be directly matched with standard pipe flanges.
Multiple standard options, including ANSI, DIN, GB, and JIS, widely match global pipeline system specifications.
Excellent corrosion and rust resistance, suitable for water, oil, gas, chemical media, and various corrosive working conditions.
Smooth surface with precise machining, no burrs and defects, beautiful appearance, and easy installation and maintenance.
Strict full-process quality control, dimensional inspection, and hydraulic pressure test for each batch.

Company profile

Jtong Group Co., Ltd.
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.

Product Q&A

Q:What materials are available for this blind flange?
A:
Standard 304, 316, and 316L stainless steel are provided, selectable based on your corrosion resistance requirements.
Q:What standards does this stainless steel blind flange comply with?
A:
Standard ANSI B16.5, DIN, GB, and JIS standards are available, and we can also customize non-standard flanges.
Q:What sealing face type does this flange adopt?
A:
It adopts a standard raised face (RF) with machined water lines, ensuring reliable sealing performance with gaskets.
Q:What is this blind flange mainly used for?
A:
It is mainly used for sealing pipe ends, blocking equipment ports, and isolating pipeline sections in industrial systems.
Q:Can you provide blind flanges with special sizes or pressure ratings?
A:
Yes, we support full OEM customization of size, pressure rating, material, and surface treatment strictly per your requirements.

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