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Topper Valve – Leading Industrial
Valve Manufacturer in China

Since 1986, we’ve engineered high-performance valves to API, ANSI, DIN, BS, and GB standards for oil & gas, chemical, power, mining, and water industries.

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About Topper Valve

A trusted name in industrial valve manufacturing since 1986, delivering precision, reliability, and global compliance.

Engineered for Excellence

Topper Valve Co., Ltd, founded in 1986 and located in Wenzhou, China, covers an area of 62,000 m² and boasts two subsidiary factories, more than 500 staff, and over 200 sets of advanced production and testing facilities.

We manufacture valves according to ANSI, API, BS, DIN, GOST, and GB standards, serving critical applications in oil & gas, petroleum refining, chemical processing, power generation, mining, and water transmission.

Our commitment to quality is validated by ISO 9001, API 6D, CE, TS A1 Grade, ISO 14001, and OHSAS 45001 certifications. We’ve even established an independent Testing Company to ensure every valve meets international performance benchmarks.

62,000 m²
Factory Area
500+
Skilled Staff
200+
Production Units
38+
Years in Industry

Why Choose Topper Valve?

Global Quality Standards

Every valve is quality-checked and certified to ISO 9001, API, CE, TS A1, ISO 14001, and OHSAS 45001 standards. Our in-house testing facility ensures reliability under extreme conditions.

Full Product Range

From API 6D trunnion ball valves to DIN globe valves and lubricated plug valves, we offer over 100+ configurations across 8 valve types, meeting ANSI, API, DIN, and GB standards.

Reliable Delivery & Support

We provide realistic delivery timelines and track your order from confirmation to shipment. OEM, ODM, and custom manufacturing available based on your drawings.

Our Valve Products

Precision-engineered valves for critical industrial applications

Cryogenic Gate Valve

Cryogenic Gate Valve

CF8, 10 Inch, Class 300, Extended Bonnet, RF

  • Material: ASTM A351 CF8
  • Size: NPS 10"
  • Pressure: Class 300
  • Standard: API 600
DIN Globe Valve

DIN EN 13709 Globe Valve

DN15-DN600, PN6-PN100, RF

  • Standard: DIN EN 13709
  • Size: DN15 to DN600
  • Pressure: PN6 to PN100
  • End: RF Flange
API 6D Trunnion Ball Valve

API 6D Trunnion Ball Valve

2-24 Inch, 150-2500 LB

  • Standard: API 6D
  • Size: NPS 2" to 24"
  • Pressure: Class 150 to 2500
  • Type: Trunnion Mounted
Lubricated Plug Valve

Lubricated Plug Valve

API 599 / API 6D

  • Standard: API 599, API 6D
  • Size: 2" to 12"
  • Pressure: Class 150-900
  • Design: Lubricated, Double Block & Bleed
API 600 Gate Valve

API 600 Bolted Bonnet Gate Valve

2-16 Inch, Class 150-2500 LB

  • Standard: API 600
  • Size: NPS 2" to 16"
  • Pressure: Class 150 to 2500
  • Bonnet: Bolted, Rising Stem
Floating Ball Valve

API 6D Floating Ball Valve

1/2-24 Inch, 150-600 LB, RF

  • Standard: API 6D
  • Size: NPS 1/2" to 24"
  • Pressure: Class 150 to 600
  • Type: Floating, Full Bore
Triple Offset Butterfly Valve

Triple Offset Butterfly Valve

2-48 Inch, 150-600 LB

  • Standard: API 609
  • Size: NPS 2" to 48"
  • Pressure: Class 150 to 600
  • Design: Triple Offset, Zero Leakage
Silent Check Valve

DIN Silent Check Valve

DN50-DN600, PN10-PN16

  • Standard: DIN
  • Size: DN50 to DN600
  • Pressure: PN10 to PN16
  • Feature: Silent Operation, Wafer Type
View All Products

Industries We Serve

🛢️

Oil & Gas

API 6D ball and gate valves for upstream, midstream, and downstream applications.

💧

Water & Wastewater

Butterfly, check, and gate valves for municipal and industrial water systems.

🧪

Chemical

Corrosion-resistant valves in CF8M, CF3M, Monel, and Inconel for aggressive media.

⚡

Power Generation

High-pressure gate and globe valves for steam and feedwater systems.

Our Services

Comprehensive Valve Solutions

  • ✓ OEM/ODM Manufacturing: Custom valve production based on your drawings and specifications.
  • ✓ Material Flexibility: Cast and forged options in carbon steel, stainless steel, alloy, and exotic metals.
  • ✓ Testing & Certification: Full QA/QC with hydrostatic, pneumatic, and fugitive emission testing.
  • ✓ Global Logistics: Reliable delivery tracking and export packaging for worldwide shipment.

Need Custom Valves?

If you have existing production lines or need specialized valves, Topper offers OEM, ODM, and custom manufacturing services with full technical support.

Contact Us for Custom Solutions

Get in Touch

Ready to discuss your valve requirements? We’re here to help.

Visit Official Website

For inquiries, quotes, and technical support, please visit the official Topper Valve website.

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