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Precision Valve Solutions for Global Industries

Zhejiang Huanyu Valve Co., Ltd. – ISO-Certified Manufacturer of High-Performance Brass Valves Since 1991

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Factory Overview

About Round Universe Valve

Zhejiang Huanyu Valve Co., Ltd., operating as Round Universe Valve, was established in 1991 and is headquartered in Yuhuan, Zhejiang, China. We are a leading manufacturer of industrial and residential valves, committed to excellence in engineering, quality, and customer service.

Our mission is to be your best partner for valve solutions. We specialize in designing and manufacturing a wide range of valves including ball valves, angle valves, gate valves, check valves, bibcocks, and pipe fittings — all available in various brass materials such as DZR, CW614N, CW617N, and Lead-Free Brass to meet international market requirements.

With decades of experience, a professional technical team, and OEM/ODM capabilities, we deliver reliable, durable, and compliant valve products trusted across Europe, the Middle East, Asia, and beyond.

Our Core Principles

Quality First

We insist on winning with quality. Every product undergoes rigorous testing to ensure reliability and performance.

Safety Above All

Safety responsibilities are heavier than Mount Tai. We maintain strict safety protocols in production and product design.

Customer Partnership

ROUND UNIVERSE is your best partner for valve solutions — responsive, flexible, and committed to your success.

Global Certifications & Compliance

ISO 14001

Environmental Management

ISO 45001

Occupational Health & Safety

ISO 9001

Quality Management

CE Certified

European Conformity

Israeli Drinking Water License

Safe for Potable Water

Our Product Range

We manufacture a wide variety of high-performance valves in brass materials including DZR, CW614N, CW617N, and Lead-Free Brass. All products are designed for durability, leak-proof performance, and compliance with international standards.

Brass Ball Valve

Brass Ball Valve

Full port, one-piece design with PTFE seals. Ideal for water, gas, and oil systems.

  • Material: DZR / CW617N
  • Pressure: 16 Bar
  • Temp: -20°C to 110°C
  • Standards: ISO, CE
Angle Valve

Brass Angle Valve

Compact design for tight spaces. Perfect for plumbing and HVAC applications.

  • Material: Lead-Free Brass
  • Connection: 1/2" x 1/2"
  • Seals: EPDM, PTFE
  • Compliance: Israeli Drinking Water
Gate Valve

Brass Gate Valve

Rising stem design for precise flow control. Suitable for industrial pipelines.

  • Material: CW614N
  • Size: DN15-DN50
  • Pressure: PN16
  • Standard: ISO 5211
Check Valve

Brass Check Valve

Swing-type design prevents backflow in water and gas systems.

  • Material: DZR Brass
  • Type: Horizontal/Vertical
  • Cracking Pressure: 0.5 psi
  • Temp: Up to 120°C
Shut-off Valve

Shut-off Valve

Quick quarter-turn operation for emergency or routine shut-off.

  • Material: Lead-Free Brass
  • Connection: Compression & Threaded
  • Application: Residential & Commercial
  • Standard: CE, ISO
Spout Valve

Spout Valve

Designed for water dispensers, taps, and kitchen appliances.

  • Material: CW617N
  • Finish: Chrome Plated
  • Flow Rate: 4.5 L/min
  • Compliance: Drinking Water Safe
Slide Valve

Slide Valve

Linear motion valve for precise flow regulation in industrial systems.

  • Material: DZR Brass
  • Actuation: Manual Lever
  • Seals: PTFE
  • Pressure: 25 Bar
Pipe Fittings

Brass Pipe Fittings

Elbows, couplings, tees, and adapters for complete plumbing systems.

  • Material: CW614N / Lead-Free
  • Sizes: 1/4" to 2"
  • Standards: ISO, DIN, BS
  • Application: Water, Gas, Oil
View All Products on Official Site

Why Choose Round Universe Valve?

Advanced Manufacturing

State-of-the-art CNC machining, automated assembly, and precision casting ensure consistent quality and performance.

OEM/ODM Expertise

We offer custom design, branding, and packaging solutions tailored to your market and technical requirements.

Global Reach

Products exported to over 50 countries with compliance to EU, Middle East, and Asian standards.

Material Excellence

Use of high-grade DZR, CW614N, CW617N, and Lead-Free Brass for corrosion resistance and safety.

Strict Quality Control

Every valve undergoes 100% pressure testing, dimensional checks, and material verification.

Dedicated Support

Responsive technical and sales team ready to assist with inquiries, samples, and documentation.

33+
Years in Business
50+
Countries Served
ISO
9001, 14001, 45001
100%
Pressure Tested

Frequently Asked Questions

What materials do you use for your valves?

We manufacture valves using DZR brass, CW614N, CW617N, and Lead-Free Brass to meet various international standards and market requirements.

Are your products certified for drinking water?

Yes, our products comply with the Israeli Drinking Water Standard and are safe for potable water applications.

Do you offer OEM services?

Yes, we have a professional technical team capable of designing and manufacturing custom valves according to client specifications, including branding and packaging.

What certifications does your company hold?

We are certified under ISO 9001 (Quality), ISO 14001 (Environmental), and ISO 45001 (Safety). Our products also carry CE certification.

How can I request a sample?

Please visit the official website and contact the sales team via email to request product samples and technical documentation.

Get in Touch

For inquiries, samples, or technical support, please contact us through the official website.

Contact Information

Phone: 0086-576-87412098

Email: rounduniverse511@gmail.com, sales2@rounduniverse.com

Address: Chumen Section, Yuhuan Sci-Tech Industrial Zone, Zhejiang, China 317605

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