Custom Your Industry Valves
Custom Your Industry Valves
Flat Gate Valve Series

Slab gate valves feature low flow resistance, easy operation and reliable sealing, suitable for high‑pressure, high‑temperature and flammable‑explosive working conditions.

They are widely used in petroleum, natural gas, long‑distance pipelines, gas supply, power plants and chemical industries for pipeline cut‑off. Applicable for crude oil, natural gas, water, steam and other media, commonly used in oil‑gas transmission pipelines, urban gas systems and wellhead equipment.

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Process Flow Diagram
Strict process create high durability valve accessories
Valve Drawing

Valve Drawing

Valve Molding

Valve Molding

Casting Process

Casting Process

Annealing Process

Annealing Process

Semi-finished blank

Semi-finished blank

Material Inspection

Material Inspection

Production & Processing

Production & Processing

Valve Assembly

Valve Assembly

Testing & Pressure Testing

Testing & Pressure Testing

Valve Painting

Valve Painting

Packaging

Packaging

Product Transportation

Product Transportation

Quality Assurance Commitment
We Take Pride in Our High-Quality Work
International Quality Certification
Our valves are strictly designed and manufactured per GB, ANSI, API, JIS, BS, DIN and other global standards.
Support for multiple inspections
Every valve undergoes strict inspection and testing, with all inspection documents provided accordingly.
Reliable Technical Resources
To maintain all certifications and uphold the company’s high standards, all SIO employees receive professional training.

+86 139 6883 6180

tgforeign@tg-valves.com

+86 18057738393