Special Valves
A professional valve product line for demanding services in petrochemical, power station, hydrogen energy storage & transportation, semiconductor and high-purity media applications — covering stainless steel slab gate valves, high-pressure globe valves, high-performance butterfly valves, plug valves, hydrogen pressure regulating valve skids, cylinder valves and valves for water electrolysis hydrogen production systems.
Valve Brand: SUFA | Aiqu Brand H · Officially authorized special distributor of SUFA (Authorization No. SFSQ-0036)
General Special Valves
General Special Valves
Suitable for demanding services such as high temperature & high pressure, corrosive media and heat-tracing/insulation duties. Products are manufactured in strict compliance with GB / API / DIN standards; flange sizes, end connections and sealing face types are configured per pipeline design requirements to serve petrochemical, power, water treatment and many other industries.
Hydrogen & High-Purity Media Valves
Hydrogen & High-Purity Valves
Pressure Regulating Valve Skid for High-Pressure Hydrogen Cylinders
Mainly used in on-board hydrogen supply systems in conjunction with high-pressure hydrogen cylinders and cylinder valve assemblies, reducing the cylinder outlet pressure to the supply pressure required by the hydrogen fuel cell and ensuring stable hydrogen delivery from the on-board high-pressure storage system.
| Size Range | M14 |
|---|---|
| Pressure Class | 35MPa, 70MPa |
| Body Material | 6061 aluminum alloy |
| Connection | Threaded ends |
| Operation | Self-regulating |
Cylinder Valve for High-Pressure Hydrogen Cylinders
Mainly used in on-board hydrogen storage systems in conjunction with high-pressure hydrogen cylinders to control the inlet and outlet of high-pressure hydrogen, featuring reliable sealing and stable response.
| Size Range | DN5 |
|---|---|
| Pressure Class | 70MPa |
| Body Material | 6061 aluminum alloy |
| Connection | Threaded ends |
| Operation | Electric |
Valves for Water Electrolysis Hydrogen Production Systems
Key SUFA hydrogen valves such as ball valves and control valves are suitable for hydrogen refueling station integrated piping (compressors, control cabinets, dispensers, etc.) at pressures up to 70MPa, as well as other similar hydrogen energy services, demonstrating excellent control, safety and sealing performance.
| Size Range | 3/8", 9/16" |
|---|---|
| Pressure Class | 70MPa |
| Design Standard | BS/EN12516-2 etc. |
| Body Material | Stainless steel etc. |
| Connection | Lantern ring connection etc. |
| Operation | Manual, electric etc. |
High-Purity Diaphragm Valve for Semiconductor Applications
Suitable for storage tanks and piping in the semiconductor, photovoltaic and medical industries, mainly for media shut-off; normally closed in its free state, meeting the cleanliness and sealing requirements of high-purity media handling.
| Size Range | DN4, DN5 |
|---|---|
| Pressure Class | ASME CLASS 150 |
| Body Material | 316L |
| Connection | Butt-weld ends |
| Operation | Manual, pneumatic |
Not sure which special valve to select?
Suzhou Akameng Automation Equipment Co., Ltd. · Officially authorized special distributor of SUFA, offering full-chain services from valve selection and engineering solutions to after-sales support
0512-66673578