How do you ensure product quality?

We hold ISO 9001 certification and allow third-party inspections like SGS before shipment.

What materials are available for the flanges?

Materials include carbon steel, stainless steel, and alloy steel.

Premium Carbon Steel High-Pressure Blind Flange for Industrial Use

Name: Premium Carbon Steel High-Pressure Blind Flange for Industrial Use
Brand: SHANXI HONGKAI FORGING CO., LTD.
SKU: 1986565021

Shanxi, ChinaSHANXI HONGKAI FORGING CO., LTD.

US$1.00-50.00

1 Piece

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Standard

ANSI, DIN, GB, JIS, GOST, BSW, ASME B16.5/B16.47, En 1092-1,etc.

Type

Blind Flange

Model NO.

Blind Flange

Material

Carbon Steel, Stainless Steel etc.

Structure

Flanges

Connection

Flanged

Sealing Surface

FF,RF,Mf,Tg,Rj

Manufacturing Way

Forging

Customizable

Yes

Third-Party Quality Inspection

OEM

Yes

Sample Supply

Yes

Pressure

150#-2500#, Pn0.6-Pn400, 5K-40K

Technical Support

Offered

Name

Forging Flange

Shipment

by Sea

Certificate

SGS, BV, ISO19001

Design

Welding Neck, Slip on, Blind, Socket Welding, Thre

Coating

Black Paint, Yellow Transparent Paint, Cold and Ho

Product Features

High Hardness, Not Easily Corroded or Deformed

Color

Sliver

Usage

Pipe Flange

Application Areas

Petroleum, Chemical, Pharmaceutical, Food, Machine

Transport Package

Wood Package

Specification

DN15~DN1500

Trademark

Hongkai

Origin

China

HS Code

73079100

Production Capacity

20, 000 Tons Per Year

Key features

Global Standard Compliance: Complies with ASME, EN, DIN, JIS, GOST, and other international standards.

Wide Material Selection: Available in Carbon Steel, Stainless Steel, and Alloy Steel variants.

Customization Support: Supports OEM, custom designs, and third-party quality inspections.

Robust Sealing Design: Disc-shaped structure ensures leak-tight closure for pipeline isolation.

High Pressure Resistance: Rated for pressures from 150# to 2500#, suitable for high-temp environments.

Professional Manufacturing: Forged manufacturing with 20 years of experience and advanced production lines.

Strict Quality Assurance: ISO 9001 certified with 100% inspection and SGS/BV certificate options.

Flexible MOQ: Minimum order quantity is just one piece, supporting small batch needs.

Company profile

Multi-language PioneerExhibition ExperienceManagement CertificationQuality Assurance

SHANXI HONGKAI FORGING CO., LTD.

Shanxi, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 7 Years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤0.02h CertifiedTerms of Payment: LC, T/T

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier focused on forged products, flanges, mechanical components, and related pipeline products. It reports integrated capabilities covering forging, heat treatment, machining, testing, surface treatment, packaging, and shipment, with more than 10 production lines and stated annual outputs of 20,000 tons of flanges, 10,000 tons of forgings, and 10,000 tons of bearings. It provides 3D software design and multiple customization options. Quality controls include documented inspection instructions, raw-material traceability, complaint procedures, and corrective-action procedures. However, the provided information shows no new products in the past year, no ODM, OEM for popular brands, or SDK capability, and no overseas warehouse or showroom. Evidence of formal certifications, financial strength, and specific customer cases is insufficient.

Supplier typeThe supplier explicitly identifies itself as a professional technical supplier and conducts forging manufacturing and mechanical component processing. Its product scope includes flanges, castings, fittings, pipeline accessories, valves, and related products, with specifications ranging from DN10 to DN5000.

After-Sales capabilityThe supplier states that it provides reliable after-sales service and has a clear, documented procedure for handling customer complaints, with records followed. Corrective and preventive-action procedures are also documented for service capability.

R&D capabilityThe supplier provides 3D software design and supports customization from samples and designs, including full, minor, and flexible customization. However, it reports no new products in the past year, no ODM service, and no available SDK, indicating that evidence for ongoing product innovation is limited and includes stated deficiencies.

Production capacityThe supplier reports integrated forging, heat treatment, machining, physical and chemical testing, surface treatment, packaging, and shipment capabilities, along with more than 10 production lines and in-stock capacity. Stated output includes 20,000 tons of flanges, 10,000 tons of forgings, and 10,000 tons of bearings, with lead times within 15 working days in both off-peak and peak seasons; however, it lacks a valid manufacturing contract with affiliated subcontractors.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, and also provides 3D software design services. This directly supports a broad customization capability.