How long is your delivery time?

For normal products in 7-10 days; For bulk order, in 15-25 days. It depends.

What is the warranty time?

3 years warranty for all of our stainless steel products. Gaskets or the easy broken parts are not included due to the different application for customers.

Can you provide us with the testing report?

Yes, we can provide the required material reports, such as the material certificate, mill certificate, pressure testing report, roughness report, measurement report, and hardness report.

Stainless Steel Heavy Duty Industrial Pipe Flange for Boiler Piping Systems

Name: Stainless Steel Heavy Duty Industrial Pipe Flange for Boiler Piping Systems
Brand: Zhejiang Zhitong Pipe Valve Technology Co., Ltd.
SKU: 890754435

Zhejiang, ChinaZhejiang Zhitong Pipe Valve Technology Co., Ltd.

US$3.00

10 Pieces

Sample price:US$3.00/piece.Request sample

Product profile

Customization

Available

Standard

ANSI, DIN, GB, JIS, GOST, BSW, SABS, En, as

Type

Threaded Connection Flange

Model NO.

ZT-F-108

Material

Stainless Steel

Structure

Flanges

Connection

Screws

Sealing Surface

Manufacturing Way

Forging

Sealing Finish

Smooth or Serrated

Export to

Canada, USA, UAE, Australia, etc.

Packing

Plywood Cases

Pressure Rate

150 Lbs - 2500 Lbs

Size

1/2"- 48"

Trade Terms

EXW, Fob, CFR, CIF, etc.

Delivery Time

Within 15 Workdays

Certificate

ISO, Ts, Ce

Transport Package

Wooden Case

Specification

1/2"- 48"

Trademark

Origin

Wenzhou

HS Code

7307210000

Production Capacity

39000 Piece/Month

Key features

Comprehensive Customization: Customizable sealing finish, size, pressure rating, and design based on client drawings.

Wide Material Selection: Available in 304, 304L, 316, 316L, and other stainless steel grades for corrosion resistance.

Extensive Size Range: Sizes from DN15 to DN1200 with max outside diameter up to 6000mm.

High Pressure Resistance: Pressure ratings from 150 Lbs to 2500 Lbs and PN0.6 to PN400.

Multiple Flange Types: Includes weld neck, slip-on, blind, threaded, and lap joint flanges.

ISO and CE Certified: Factory certified under ISO 9001 and CE standards for quality assurance.

Fast Delivery: Normal products delivered within 7-10 days; bulk orders within 15-25 days.

3-Year Warranty: Comprehensive 3-year warranty on stainless steel products excluding gaskets.

Company profile

Full CustomizationStandardized quality controlFast DeliveryImporters and Exporters

Zhejiang Zhitong Pipe Valve Technology Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2013-08-08Nearest Port: NINGBO, SHANGHAI, TIANJINAverage Response Time: ≤0.96hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA

AI-Powered supplier vetting

SummaryThe supplier is a limited company with 78 employees, operating in hardware, fasteners, steel processing, molds, forgings, powder metallurgy, metal materials, and import/export. It reports substantial production across stainless steel flanges, steel valves, stainless steel pipes, and pipe fittings, serves export markets across multiple regions, and holds an import/export license. Quality and management evidence includes ISO9001:2015, ISO45001:2018, ISO14001, and CE certification. The supplier supports OEM, ODM, and broad customization, with documented inspection and complaint-handling procedures. However, it reports no new products in the past year, no SDK, no overseas warehouse, showroom, agents, branches, or offline trade-show participation. Financial information is represented only by years rather than substantive performance figures, so financial credibility cannot be determined. Customer-case evidence is limited to OEM service for popular brands.

Supplier typeThe supplier is a limited company with no reported parent group or affiliated company. Its stated scope covers hardware products, fasteners, steel rolling, molds, forgings, powder metallurgy, metal materials, and import/export activities, indicating a manufacturing and trading profile.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications, along with CE product-certification capability. These provide explicit evidence of quality, occupational safety, environmental, and product-compliance credentials.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaints, and reports in-stock service capability. However, it has no overseas warehouse, showroom, agents, branches, or stated overseas service countries, limiting evidence of localized after-sales coverage.

Production capacityThe supplier lists CNC, hydraulic press, automatic pipe cutting, and sawing equipment; reports specific output for flanges, valves, pipes, and fittings; maintains valid manufacturing contracts with associated subcontractors; and holds an import/export license. These records explicitly support established production and export capability.

Customization capabilityThe supplier explicitly offers customization from samples, designs, minor customization, full customization, and flexible customization, and also reports OEM and ODM services. This is direct evidence of broad product customization capability.

Client casesThe supplier states that it provides OEM services for popular brands, which is evidence of experience serving recognized-brand customers. No specific customer names, project details, volumes, or references are provided, so the breadth and verifiability of customer cases remain limited.

Product Q&A

Q:Are you a trading company or factory?

We are a manufacturer boasting 15 years of industry experience and holding proprietary import-export rights.

Q:May I request free samples?

Free samples can be provided for first cooperation under sincere cooperation.

Q:What certifications do you have?

Yes, we hold ISO, CE, and PED certificates. In addition, we possess a number of design patents and a Special Equipment Manufacturing License.

Q:How do you control the quality?

In quality control, the most critical aspect is preventing material mix-ups. Our factory has installed multiple spectroscopic PMI analyzers in the raw material warehouse, production workshop, and dispatch area. Equipment such as pressure testing machines, PMI analyzers, RA roughness testers, and hardness testers all contribute to ensuring quality. Additionally, we have our own laboratory and can provide extra test data for special products. During the production process, dedicated inspectors con

Q:If there is any quality problem, how do you solve it?

We believe that protecting our clients' interests is the cornerstone of our business. While we cannot guarantee 100% perfection, occasional quality issues may still arise. Depending on the specific situation, we typically resolve such cases through replacements, compensation, or resending goods. The specific solution will be discussed and agreed upon with the customer based on the actual circumstances.