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Precision Forged Valves for Industry

BoLangTe Valve Co., Ltd. (BOLT) – Trusted manufacturer of high-performance forged and cast industrial valves since 2003. Engineered for reliability in oil & gas, chemical, power, and cryogenic applications.

Explore Our Valves

About BoLangTe Valve

BoLangTe Valve Co., Ltd. (BOLT), a specialized export-oriented valve manufacturer, is located in Oubei, Wenzhou — the hometown of pumps and valves in China. Established in 2003, it began as the forged steel branch of Teer Valve Co., Ltd. In 2011, the company rebranded to BoLangTe Valve Co., Ltd. (BOLT).

We specialize in the production, research and development, sales, and service of industrial valves. Our professional team provides complete engineering solutions for customers across the globe.

2003
Founded
80%
Exported
10+
Countries
BoLangTe Valve Manufacturing Facility

Quality & Certifications

We implement standardized management, quality improvement, and delivery guarantee strategies. Our investment in advanced CNC machinery and processing centers ensures precision and consistency in every valve.

API 602
Compact Steel Gate Valves
ASME B16.34
Valve Flange Standards
ISO 9001
Quality Management
CE
European Compliance
Top 10 Trade Brand Award 2012

Winner of Top 10 Trade Brand in China's Valve Industry (2012)

Our Valve Products

Precision-engineered forged and cast valves designed for extreme conditions in petroleum, natural gas, chemical, power, and cryogenic industries.

Forged Gate Valve

Forged Gate Valve

Bolted or welded cover, three-piece body design. Ideal for on/off control in high-pressure systems.

  • • Materials: A105, F304, F316
  • • Size: 1/2" to 2"
  • • Pressure: Class 800 to 2500
Forged Globe Valve

Forged Globe Valve

Precise throttling and flow regulation. Suitable for steam, water, and oil applications.

  • • Rising stem with handwheel
  • • Trim: SS316, Stellite
  • • Standards: API 602, ASME B16.34
Forged Check Valve

Forged Check Valve

Prevents backflow in pipelines. Swing or lift designs available for horizontal/vertical installation.

  • • Spring-assisted or gravity operated
  • • NACE MR0175 compliant options
  • • High cycle durability
Forged Ball Valve

Forged Ball Valve

Floating or fixed ball design. Excellent sealing with low torque operation.

  • • Full or reduced bore
  • • Fire-safe design (API 607)
  • • ISO 5211 mounting pad
Forged Cryogenic Valve

Forged Cryogenic Valve

Designed for LNG, liquid nitrogen, and oxygen service. Extended bonnet for thermal insulation.

  • • Tested to -196°C
  • • Vacuum jacketed options
  • • Cleaned for oxygen service
Forged Y-Pattern Valve

Forged Y-Pattern Valve

Low-pressure drop design. Ideal for throttling and frequent operation.

  • • Streamlined flow path
  • • Reduced erosion
  • • API 602 compliant
Forged Pressure Seal Valve

Forged Pressure Seal Valve

High-pressure gate valve with pressure-assisted sealing. Used in power plants and refineries.

  • • Class 1500 to 4500
  • • Compact and lightweight
  • • Superior sealing at high pressure
Forged Bellows Sealed Valve

Forged Bellows Sealed Valve

Zero-emission design with metal bellows. Ideal for toxic, flammable, or environmentally sensitive media.

  • • Hermetic sealing
  • • Long cycle life
  • • API 624 tested

Advanced Manufacturing

State-of-the-art equipment and strict quality control ensure every valve meets international standards.

Precision Engineering

C

CNC Machining Centers

All products are manufactured using advanced CNC lathes and machining centers for consistent precision.

T

Testing & Inspection

Each valve undergoes hydrostatic and pneumatic testing. NDT methods include MPI and ultrasonic testing.

G

Global Standards

Compliant with API, ASME, ISO, and NACE standards. Suitable for critical service environments.

CNC Machining Equipment
20+
Years Experience
80%
Export Ratio
100K+
Valves Delivered
50+
Global Clients

Frequently Asked Questions

What materials do you use for forged valves?

We use ASTM A105, F304, F316, F51, and other alloy steels depending on application requirements including corrosion resistance and temperature.

Are your valves suitable for cryogenic service?

Yes, our forged cryogenic valves are designed and tested for use down to -196°C with extended bonnets and special packing.

Do you offer OEM/ODM services?

Yes, we provide custom valve solutions including design, material selection, and branding based on client specifications.

What certifications do you hold?

We are ISO 9001 certified and our valves comply with API 602, ASME B16.34, NACE MR0175, and other international standards.

Contact BoLangTe Valve

Ready to discuss your valve requirements? Get in touch with our engineering team for technical support and quotations.

Location:
Oubei Town, Wenzhou City, Zhejiang Province, China
Pu Industrial Zone

Phone:
+86-577-57775222

Email:
[email protected]

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