This page is not the official website. Generated by AI, does not constitute any advice. If needed, please click here to visit the corresponding official website.

Premium Malleable Iron
Pipe Fittings

Professional manufacturer of galvanized and black malleable iron pipe fittings since 1986. Compliant with American, DIN, and British standards. ISO9001:2008, CE, TSE, INMETRO, and CRN certified.

Explore Products Learn More

Certified Quality

ISO9001:2008, CE, TSE, INMETRO, CRN

Global Reach

Exported to Europe, USA, Brazil, Turkey, UK

Advanced Casting

Semi-auto, automatic, coated sand molding

About Donghuan Cast

Donghuan Malleable Iron is a professional manufacturer of galvanized and black malleable iron pipe fittings under the SDH brand. With over 35 years of experience, we specialize in producing high-quality fittings that meet international standards including ASTM A197, ISO 7-1, DIN EN 0242, SI 255, and NBR 6943.

Our factory is equipped with state-of-the-art equipment and a reliable quality assurance system conforming to ISO 9001:2008. We serve major markets in Europe, the United Kingdom, and the United States, partnering with well-known enterprises across industries.

Material: KT330-08 Malleable Iron
Galvanized Thickness: >70μm
Thread Accuracy: 100% gauge compliant, ±0.5° angle
High coaxial degree in unions
90° Male-Female Bend Pipe Fitting Tube Clamp Double Bolt Clamp

Our Products

High-performance malleable iron pipe fittings, clamps, and couplings designed for durability, precision, and global compliance.

1 Bend 90° Male and Female

1 Bend 90° Male-Female

Malleable iron 90° elbow with male and female threads. Ideal for tight-space installations.

90° Elbow

90° Elbow

Standard 90° elbow fitting. Available in galvanized and black finishes. ASTM A197 compliant.

Socket

220 Socket

Straight socket connector for seamless pipe joining. Precision-threaded for leak-free performance.

Double Bolt Clamp

Double Bolt Clamp

Heavy-duty clamp for secure pipe connections. Ideal for industrial and high-pressure applications.

Tube Clamp

Tube Clamp

Robust tube clamps for vibration control and secure mounting. Widely used in mechanical systems.

Air Hose Coupling

Air Hose Couplings

Quick-connect couplings for pneumatic systems. Durable malleable iron construction.

3 Bend 90° Male

3 Bend 90° Male

Male-threaded 90° bend for direct pipe connection. High thread accuracy and corrosion resistance.

Ground Joint Coupling

Ground Joint Coupling

Leak-proof coupling for underground and high-stress applications. Excellent sealing performance.

Camlock Couplings

Camlock Couplings

Fast-acting couplings for fluid transfer. Available in various sizes and configurations.

Tee Fitting

130 Tee

Three-way malleable iron tee fitting. Ensures reliable branching in piping systems.

45° Elbow

120 Elbow 45°

45-degree elbow for smoother flow direction changes. Reduces turbulence and pressure loss.

Carbon Steel Nipple

Carbon Steel Pipe Nipples

Short threaded connectors for tight joints. High strength and dimensional accuracy.

View All Products

Why Choose Donghuan?

Advanced manufacturing, strict quality control, and global compliance ensure superior performance.

Material Assurance

On-site sample analysis and chemical composition testing ensure material stability and consistency.

Precision Machining

CNC lathes and threading machines ensure 100% gauge compliance and ±0.5° thread angle accuracy.

Global Certifications

Certified by CE, ISO9001:2008, TSE (Turkey), INMETRO (Brazil), and CRN (Canada).

Advanced Casting

Hand molding, semi-auto, automatic, and coated sand core molding for optimal product integrity.

35+
Years Experience
50+
Countries Served
10M+
Fittings Annually
100%
Quality Tested

Customer Reviews

"We received the goods, and they look very good. Now I am preparing a new order of two containers. Please tell me the fastest delivery."

Nikola Bujukliev
Operation Manager

"Your good product quality has helped us increase sales of malleable iron pipe fittings by 30% this year. I hope for long-term cooperation."

Michael Doyle
Sales Manager

Frequently Asked Questions

What materials do you use for your fittings?

We use KT330-08 malleable iron, known for its strength, ductility, and resistance to shock and vibration.

Are your products galvanized?

Yes, our galvanized fittings have a coating thickness of over 70μm, ensuring excellent corrosion resistance.

What standards do your products meet?

Our products comply with ASTM A197, ISO 7-1, DIN EN 0242, SI 255, and NBR 6943 standards.

Do you offer custom manufacturing?

Yes, we support OEM and ODM services. Contact us with your specifications for a quote.

What certifications do you hold?

We are certified with ISO9001:2008, CE, TSE (Turkey), INMETRO (Brazil), and CRN (Canada).

Get in Touch

For inquiries, pricing, or technical support, reach out to us directly.

+86-15933990500
donghuan@sdhcast.com
Shijiazhuang, Hebei, China
Visit Official Website
China Quality Suppliers fobcompany.info

Notice for Buyers: If you are a buyer, the above information is generated by AI collection and does not constitute any advice. If necessary, please visit the corresponding official website.

For Domain Owners: If you are the domain owner and do not want to be included by fobcompany.info, please contact support@fobcompany.info via your corporate email to cancel. We will cancel your inclusion within 3 business days.

如果您是域名所有者 不想被fobcompany.info收录 请用企业邮箱联系support@fobcompany.info 取消收录 我们将在3个工作日取消您的收录

Service Request: If you are other domain and want to be included, please contact support@fobcompany.info

如果您是其他域名合作 也请联系support@fobcompany.info