SIAN Valves – Global Leader in Gas Cylinder Valve Solutions

About SIAN Valves

Ningbo Fuhua Valve Co., Ltd. – A leading global manufacturer of high-performance gas cylinder valves with over 30 years of innovation and production excellence.

Professional Manufacturing

Specializing in LPG, industrial, medical, and fire extinguisher valves. Over 300 varieties produced annually with a capacity of 20 million sets.

Certified Quality

ISO9001 and ISO14001 certified. Holds international approvals including CE, TPED, EN3, VDE, ECE-R110, and NSEML.

Global Reach

Sales network spans over 50 countries. Trusted supplier to the top 6 global gas companies.

R&D Innovation

National-level R&D center in China. Branches in the USA and Europe. Active in national projects like the Torch Plan.

Custom OEM Solutions

Full customization available. Advanced equipment and strict quality control ensure precision and reliability.

Fast Delivery

Prompt lead time of 20–25 days after advance payment. Efficient logistics and global shipping.

Our Commitment

At SIAN Valves, we are committed to continuous improvement in product quality and customer service. With decades of experience, cutting-edge technology, and a global presence, we deliver reliable, safe, and innovative gas control solutions for industries worldwide.

Our Product Range

Comprehensive selection of high-quality gas cylinder valves for LPG, industrial, medical, and fire safety applications.

LPG Cylinder Valve

High-pressure valve for liquefied petroleum gas cylinders. Durable brass construction with leak-proof sealing.

OPD & Non-OPD versions
CE, TPED certified
For domestic & commercial use

Camping & BBQ Valve

Compact and safe valves designed for portable gas cylinders used in outdoor cooking and camping.

Lightweight & corrosion-resistant
Easy handwheel operation
Ideal for small LPG bottles

CO2 Cylinder Valve

Precision valve for carbon dioxide cylinders used in beverage, industrial, and fire suppression systems.

EPDM or Viton seals
High-pressure rated
ISO & CE compliant

O2 / N2 / Ar Valve

High-purity valves for oxygen, nitrogen, and argon cylinders. Designed for industrial and medical applications.

Cleanroom assembled
Non-lubricated design
For high-pressure gas

OPD (Overfill Prevention) Valve

Safety valve with built-in overfill protection device for LPG cylinders. Prevents dangerous overfilling.

Automatic shut-off at 80%
Meets international safety standards
Durable & reliable

Fire Extinguisher Valve

Reliable valves for dry powder and CO2 fire extinguishers. Ensures rapid discharge when needed.

Corrosion-resistant materials
Quick-release mechanism
EN3 certified

Refrigerant / Freon Valve

Valves for R134a, R404a, and other refrigerant gases. Leak-tight design for HVAC and refrigeration systems.

Compatible with fluorinated gases
High cycle life
SAE & ISO standards

Composite Cylinder Valve

Lightweight valve for composite (fiber-wrapped) LPG and CNG cylinders. Ideal for automotive and portable use.

Aluminum or brass body
High strength-to-weight ratio
ECE-R110 compliant

View All 300+ Products

Why Choose SIAN Valves?

Decades of engineering excellence, global certifications, and customer-focused innovation.

Global Certifications

ISO9001, ISO14001, CE, TPED, EN3, VDE, ECE-R110, NSEML – ensuring compliance with international safety and quality standards.

Advanced R&D

National-level R&D center in China with branches in the USA and Europe. Continuous innovation in valve technology.

Fast & Reliable Delivery

20–25 days lead time after payment. Efficient logistics network for global distribution.

OEM & Customization

Full OEM support with custom designs, branding, and packaging to meet your market needs.

Frequently Asked Questions

What types of valves does SIAN manufacture?

SIAN produces over 300 varieties including LPG valves (OPD, compact, POL, QCC), industrial gas valves (O2, CO2, N2, Ar), medical gas valves, fire extinguisher valves, CNG valves, and refrigerant valves.

Are SIAN valves certified for international markets?

Yes. Our valves are certified with ISO9001, ISO14001, CE, TPED, EN3, VDE, ECE-R110, and NSEML, meeting global safety and quality requirements.

Can I order custom OEM valves?

Absolutely. We offer full OEM services including custom design, branding, packaging, and technical support tailored to your market needs.

What is the delivery time?

Typical lead time is 20–25 days after receipt of advance payment. We maintain efficient production and logistics to ensure on-time delivery.

Which industries use SIAN valves?

Our valves are used in LPG distribution, industrial gas supply, medical gas systems, fire protection, HVAC, automotive (CNG), and beverage (CO2) industries.

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SIAN Valves – Global Expert in Gas Flow Control