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Premium Brass Valves & Fittings Manufactured in China

ZHEJIANG DOUBLE-LIN VALVES CO.,LTD. – A trusted manufacturer of high-performance brass ball valves, gas valves, angle valves, and plumbing fittings for global industrial and residential applications.

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About Double-Lin

ZHEJIANG DOUBLE-LIN VALVES CO.,LTD. is a leading professional manufacturer specializing in brass valves and plumbing fittings. With years of expertise, we deliver reliable, high-quality solutions trusted by clients worldwide.

ISO & CE Certified: Our products meet international standards including ISO228, DIN, BS2779, and EAC.
Advanced Manufacturing: Utilizing precision forging and CNC machining for consistent quality.
Global Export: Serving markets across Europe, Middle East, Asia, and the Americas.
Learn More About Our Factory

Our Product Range

We manufacture over 500 types of brass valves and fittings, designed for durability, leak-proof performance, and compatibility with industrial and residential systems.

PN25 Brass Ball Valves

PN25 Brass Ball Valves

High-pressure ball valves rated up to 25 bar, ideal for water, gas, and oil systems.

  • Material: DZR Brass
  • Pressure: PN25 / 25 Bar
  • Thread: ISO228 Standard
Get Best Price
Brass Gas Valves

Brass Gas Ball Valves

4-inch gas ball valves with tight sealing and corrosion-resistant finish.

  • Size: 4"
  • Application: Natural Gas, LPG
  • Standard: EAC, ISO228
Get Best Price
Brass Angle Valves

Brass Angle Valves

Chrome-plated angle valves with ceramic core for washing machines and plumbing.

  • Working Pressure: 10 Bar
  • Temp Range: 0°C to 80°C
  • Thread: ISO228
Get Best Price
Brass Spring Check Valves

EAC Brass Spring Check Valves

One-way flow control valves with spring mechanism for reliable backflow prevention.

  • Standard: EAC Certified
  • Material: High-Density Forged Brass
  • Application: HVAC, Water Systems
Get Best Price
Brass Threaded Fittings

Brass Threaded Fittings

Comprehensive range including couplers, elbows, tees, and reducers.

  • Standards: BS2779, DIN 259, ISO228
  • Sizes: 1/4" to 2-1/2"
  • Finish: Nickel or Chrome Plated
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Stainless Steel Manifold

Stainless Steel Manifolds

Durable 1.5" 2-4 way manifolds with ISO228 thread for 10 bar pressure systems.

  • Material: SS304
  • Pressure Rating: 10 Bar
  • Adapter Sizes: 16-2.0, 20-2.0
Get Best Price

Brass Compression & Press Fittings

Leak-proof fittings for PEX, copper, and plastic piping systems.

  • Type: 1216 to 2632
  • Connection: Compression & Press
  • Material: HPB57-3 Brass
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Thermostatic Radiator Valves

Precision temperature control valves for heating systems with ergonomic design.

  • Working Pressure: 10 Bar
  • Temp Range: Up to 110°C
  • Thread: ISO228, BS Standard
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Why Choose Double-Lin?

Engineered for performance, durability, and global compliance.

Certified Quality

ISO 9001, CE, EAC, and BS2779 certified manufacturing processes.

Advanced Factory

State-of-the-art facility in Zhejiang, China with full QC control.

Global Export

Trusted by distributors and contractors in 50+ countries.

Fast Delivery

Efficient logistics with sea, air, and express shipping options.

15+
Years Experience
500+
Product Types
50+
Countries Served
10K+
Tons Annual Output

Frequently Asked Questions

What materials are your brass valves made from?

Our valves are made from high-density forged brass, including DZR (dezincification-resistant) brass for enhanced corrosion resistance in water systems.

Are your products certified for European and Russian markets?

Yes, we offer EAC certification for CIS countries and CE marking for EU compliance. Many products also meet ISO228 and BS2779 standards.

Can I request custom valve designs or packaging?

Yes, we support OEM/ODM services including custom branding, packaging, valve configurations, and special thread types.

What is the minimum order quantity (MOQ)?

MOQ varies by product, but we are flexible and can accommodate trial orders. Contact us for specific product MOQs.

Get in Touch

For quotes, samples, or technical support, visit our official website to connect with our sales team.

Contact Person

Mr. Lin

Phone

+86 576 87116882

Email

sale5@double-lin.com

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