What is the warranty time?

All stainless steel products have a 3-year warranty. Gaskets and wearable parts are not covered.

Can you provide us with the testing report?

Yes, we can supply official test reports including material certificates, MTC, pressure, roughness, dimension, and hardness reports.

Oil Resistant Stainless Steel Welding Neck Flanges Class 150#

Name: Oil Resistant Stainless Steel Welding Neck Flanges Class 150#
Brand: Guangzhou Dingtaichang International Trading Co., Ltd.
SKU: 2277502895

Guangdong, ChinaGuangzhou Dingtaichang International Trading Co., Ltd.

US$100.00

100-499 Pieces

US$70.45

500-999 Pieces

US$50.30

1,000+ Pieces

Product profile

Customization

Available

Media

Water

Driving Mode

Manual

Model NO.

DTC-BV0030

Connection Form

Wafer

Structure

Single-Eccentric Sealing

Seal Form

Supercharging Pressured Sealed

Valve Stem

Normal

Work Pressure

Low Pressure (Pn<1.6mpa)

Working Temperature

Normal Temperature (-40°C<T<120°C)

Material of Seal Surface

Metal Hard Sealed

Valve Body

Sheet Metal

Standard

DIN/Awwa/ANSI /JIS / According to Requirements

Application

Industrial Usage, Water Industrial Usage, Household Usage

Service Medium

Oil

Specification

as required

Trademark

DTC or Customized

Production Capacity

50000PCS/Month

Key features

Customization Capability: Products can be customized based on provided drawings with engineering team support.

Comprehensive Certifications: ISO 9001, CE, PED certified with Special Equipment Manufacturing License.

Extensive Material Range: Available in Carbon Steel, Stainless Steel (304/316), and Alloy Steel grades.

Strict Quality Control: 100% inspection including PMI analysis, stress testing, and in-house laboratory checks.

Global Standard Compliance: Meets ASME, ANSI, DIN, JIS, EN, and GB standards for diverse applications.

Fast Delivery for Stock Items: Standard products delivered in 7-10 working days from extensive inventory.

Long-Term Warranty: 3-year warranty provided for all stainless steel products.

Professional Manufacturing: 15 years of experience with 150+ production units and independent export rights.

Company profile

Guangzhou Dingtaichang International Trading Co., Ltd.

Guangdong, China

Business Type: Trading CompanyExport Year: 2026-02-01Nearest Port: TianjinAverage Response Time: ≤3.48hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CIF

AI-Powered supplier vetting

SummaryGuangzhou Dingtaichang International Trading Co., Ltd., established in 2025, is a trading company based in Guangzhou, China, with manufacturing facilities in Hebei. Specializing in industrial components, they focus on pipe fittings, flanges, and valves. They emphasize quality, advanced customization, and strong after-sales service. The company integrates resources from southern and northern China to enhance supply chain efficiency. They have over 10 production lines and 41 to 50 quality control staff, indicating robust production and quality assurance capabilities.

After-Sales capabilityThe company is committed to dependable after-sales service, emphasizing fast response times and reliable support to ensure a smooth client experience.

R&D capabilityThe company is committed to continuous improvement in technology and operational efficiency, leveraging regional strengths for flexible sourcing and stable production.

Production capacityThe company operates over 10 production lines and produces 10 million flange pieces annually, indicating significant production capacity.

Customization capabilityThe company offers advanced customization and tailored solutions, supported by experienced engineering and sales teams to meet diverse project needs.

Product Q&A

Q:Are you a trading company or factory?

We are a professional manufacturer with 15 years of experience and independent import and export rights.

Q:May I request free samples?

Free samples are available for first-time cooperation based on sincere long-term intent.

Q:What certifications do you have?

We hold ISO, CE, PED certifications, multiple design patents, and a Special Equipment Manufacturing License.

Q:How do you control the quality?

We use PMI analyzers, pressure testers, roughness and hardness testers, and have an in-house laboratory. Inspectors check each key process, and finished goods undergo full inspection to ensure quality.

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

We prioritize customer interests. We offer free replacement, compensation, or reshipment based on the actual situation, with full communication.