STV Valves | Professional Industrial Valve Manufacturer & Supplier in China

About STV Valves

STV Valve Technology Group Co., Ltd. is a leading industrial valve manufacturer and supplier based in Wenzhou, Zhejiang Province, China. With years of expertise in valve engineering and production, we deliver high-performance solutions to industries worldwide.

As a trusted China-based valve manufacturer, we specialize in the design, development, and supply of a comprehensive range of industrial valves including ball valves, gate valves, globe valves, check valves, butterfly valves, Y-strainers, and high-pressure pipe fittings.

15+

Years Experience

50+

Countries Served

ISO 9001

Certified

Our Products

High-quality industrial valves and pipe fittings designed for reliability, efficiency, and long-term performance across diverse industrial environments.

3-Way Sanitary Ball Valve

AISI 316L stainless steel construction, ideal for food, pharmaceutical, and biotech industries requiring high hygiene standards.

Material: AISI 316L
Type: Sanitary, 3-Way
Standards: ISO, DIN, SMS

3-Piece Stainless Steel Check Valve

Durable swing check valve with full port design, suitable for water, oil, and gas applications.

Body: CF8/CF8M
Size: 1/2" to 24"
Pressure: PN16 to PN40

Forged Steel Y Strainer

High-pressure Y-type strainer with A105N body, designed for pipeline protection in oil & gas and power plants.

Class: 150LB–600LB
Size: 1/2" to 4"
Standard: ASME B16.34

Knife Gate Valve

Robust knife gate valve for slurry, wastewater, and abrasive media handling in mining and pulp industries.

Body: CF8, CF8M
DN: 50 to 1800
End: Flange, Wafer

Swing Check Valve

Reliable swing-type check valve with full bore design, preventing backflow in high-flow systems.

Standard: JIS 10K, ANSI
Size: 2" to 48"
End: Flange, Wafer

Forged Steel Ball Valve

High-pressure forged steel ball valve with fire-safe design, suitable for critical oil & gas applications.

Class: 150LB to 2500LB
Size: 1/4" to 4"
Material: A105, F304, F316

Cast Steel Y Strainer

Durable cast steel Y strainer for filtering debris in steam, water, and chemical lines.

Body: WCB, LCB
Pressure: Class 150–600
Size: 1/2" to 24"

Bellow Seal Globe Valve

Zero-leakage bellow seal globe valve for high-temperature and hazardous media in power and petrochemical plants.

Design: API 602, ASME B16.34
Size: 1/2" to 12"
Seal: Metal Bellows

View All Products

Why Choose STV Valves?

We combine advanced manufacturing, strict quality control, and customer-focused service to deliver unmatched value.

Competitive Pricing

Self-owned casting factory with CNC machining ensures cost efficiency without compromising quality.

High Quality

Certified with ISO 9001, API, and CE standards. Rigorous testing for every product batch.

Fast Delivery

Efficient logistics and inventory management ensure timely shipment worldwide.

OEM & Customization

We accept OEM orders and can customize valves to meet specific technical requirements.

Frequently Asked Questions

What types of valves do you manufacture?

We manufacture ball valves, gate valves, globe valves, check valves, butterfly valves, Y-strainers, and high-pressure pipe fittings in carbon steel, stainless steel, and forged materials.

Do you offer OEM services?

Yes, we accept OEM and ODM orders. We can produce valves according to your drawings, specifications, or samples.

What certifications do you have?

Our quality management system is certified under ISO 9001. Our products meet API, CE, ASME, and other international standards.

What is your minimum order quantity (MOQ)?

We offer low MOQ and are happy to provide samples. Small orders are welcome to support your business needs.

How can I get a quotation?

You can contact us via email at sales@stvvalves.com or WhatsApp +86 151 5776 6245. We guarantee to reply within 2 business days with a detailed quote and datasheet.

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STV Valves – Leading Industrial Valve Manufacturer in China