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Precision Industrial Valves for Demanding Applications

Since 1965, TH-Valve Nantong has engineered high and medium pressure valves trusted in oil & gas, power stations, chemical plants, and marine systems worldwide. Certified, durable, and built to perform.

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1965
Founded
300+
Employees
87,000m²
Facility Size
120+
Product Series

Trusted Valve Engineering Since 1965

Nantong High & Medium Pressure Valve Co., Ltd., operating as TH-Valve Nantong, has been a cornerstone in industrial valve manufacturing since its founding in 1965. Located in Chongchuan Suburb, Nantong City, Jiangsu Province, China, we specialize in producing gate, globe, check, ball, cryogenic, and strainer valves with diameters from 2” to 72” and pressure classes ranging from 150LB to 4500LB.

With over 300 skilled employees and a production area spanning 87,000 square meters across 20 advanced workshops, we combine decades of expertise with modern manufacturing techniques to deliver reliable, high-performance solutions for global industries.

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Industrial Valve Manufacturing

Our Product Range

Engineered for performance, durability, and compliance with international standards.

Two Pieces Trunnion Ball Valve

Two Pieces Trunnion Ball Valve

  • Size: NPS 2″–42″ (DN50–DN1050)
  • Pressure: Class 150LB–600LB (PN16–PN150)
  • Design: API 6D, API 6FA, API 607
  • Seal: RPTFE, PEEK
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Bolted Bonnet Wedge Gate Valve

Bolted Bonnet Wedge Gate Valve

  • Size: NPS 2″–72″ (DN50–DN1800)
  • Pressure: Class 150LB–2500LB (PN16–PN420)
  • Design: API 600, API 624, GB/T 12234
  • Test: API 598, BS EN 12266
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Pressure Seal Bonnet Wedge Gate Valve

Pressure Seal Bonnet Wedge Gate Valve

  • Size: NPS 2″–40″ (DN50–DN1000)
  • Pressure: Class 900LB–4500LB (PN150–PN760)
  • Design: ASME B16.34, MSS SP-144
  • Test: API 598, BS EN 12266
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Pressure Seal Parallel Slide Gate Valve

Pressure Seal Parallel Slide Gate Valve

  • Size: NPS 2″–40″ (DN50–DN1000)
  • Pressure: Class 900LB–2500LB (PN150–PN420)
  • Design: API 600, MSS SP-144, BS EN 12516
  • Test: API 598, BS EN 12266
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Full Welded Three Pieces Trunnion Ball Valve

Full Welded Three Pieces Trunnion Ball Valve

  • Size: NPS 2″–40″ (DN50–DN1000)
  • Pressure: Class 150LB–900LB (PN16–PN150)
  • Design: API 6D, API 6FA, API 607
  • Connection: Flange, Butt Weld
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Bolted Bonnet Globe Valve

Bolted Bonnet Globe Valve

  • Size: NPS 2″–24″
  • Pressure: Class 150LB–2500LB
  • Design: API 623, B16.34
  • Test: API 598, BS EN 12266
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Nozzel / Axial Flow Check Valve

Nozzel / Axial Flow Check Valve

  • Size: NPS 2″–48″ (DN50–DN1200)
  • Pressure: Class 150LB–900LB (PN16–PN150)
  • Design: API 6D, B16.34, BS EN12516
  • Test: API 598, BS EN 12266
View Details
Tilting Disc Check Valve

Tilting Disc Check Valve

  • Size: NPS 2″–24″
  • Pressure: Class 150LB–600LB
  • Design: API 6D, B16.34
  • Connection: Bolted Cover, Pressure Seal
View Details
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Global Certifications

Our valves meet the highest international standards for safety, quality, and performance.

API 6FA API 6FA
API 6FD API 6FD
CE PED/CE
ISO 45001 ISO 45001
Functional Safety Functional Safety
API 6D API 6D

Also certified: API 600, API 607, TR-CU, ATEX, CRN (Canada), and more.

Industries We Serve

Oil & Gas

High-pressure valves for upstream, midstream, and downstream operations.

Power Station

Reliable valves for steam, water, and auxiliary systems.

Marine

Corrosion-resistant valves for shipboard and offshore platforms.

Chemical Industry

Valves engineered for aggressive media and high safety standards.

Latest Insights

Jun 04, 2025

Pressure Valve: Small Valve, Big Effect

Pressure valves are key components for safety and efficiency in fluid dynamics. Small and often overlooked, yet powerful, they regulate pressure in systems from water networks to manufacturing.

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Mar 14, 2025

Gate & Globe Valves: Indispensable for Future Trends

In oil & gas, water treatment, and power generation, gate and globe valves remain essential for controlling flow and ensuring system integrity in evolving industrial landscapes.

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Get in Touch

Reach out for product inquiries, technical support, or partnership opportunities.

Phone

+86-13584713580

+86-13861989351

Email

ntsshfmc@th-valve.com

weiji@th-valve.com

Location

Chongchuan Suburb, Nantong City, Jiangsu Province, China

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