Description
Buy Spring Piston Control Valve Y410/Y416/Y425 PN10/PN16 Cast Iron Flanged Manual
The Y410/Y416/Y425 Spring Piston Pressure Reducing Valve, proudly offered under the VALVEHU brand, is engineered for precision pressure regulation in HVAC systems, high-rise water supply, and fire protection networks. Designed for applications with working media such as water, air, and non-corrosive liquids up to 90°C, this pressure control valve delivers efficient and stable downstream pressure control.
With a body constructed from high-strength cast iron or carbon steel and internal components such as stainless steel trim and valve stem, this spring-loaded piston valve ensures long service life and reliable sealing. It is manufactured under strict GB/T 12244-2006 and GB/T12221-2005 standards for valve construction and dimensions, with flanged connections compliant with JB/T 79 and GB/T9124.1.
This spring piston pressure reducing valve is ideal for replacing traditional zoning valves in commercial buildings, offering a simplified piping design and reduced installation costs. The dynamic pressure balancing through the internal piston ensures stable outlet pressure even with upstream fluctuations. Its durable internal guide mechanism and corrosion-resistant materials make it a dependable solution for modern water distribution systems.
Available in pressure classes PN10 and PN16, and in sizes ranging from DN15 to DN200, the Y410/Y425 series is optimized for minimal maintenance and high efficiency. Each valve is designed to maintain outlet pressure accuracy while improving system efficiency and extending equipment life.
If you’re looking for reliable pressure reducing valves for water or HVAC projects, or any industrial valve solution, we invite you to consult with our experts at VALVEHU. As a trusted China-based supplier, we’re ready to support your application needs with expert guidance and competitive pricing.
Technical Specifications
- Model Range: Y410, Y416, Y425
- Pressure Rating: PN10 / PN16
- Working Medium: Water, air, non-corrosive liquids
- Temperature Range: 0 to 90°C
- Valve Body: Cast iron or carbon steel
- Trim Material: Stainless steel
- Connection Type: Flanged (compliant with JB/T 79, GB/T 9124.1)
- Standards Applied: GB/T 12244-2006, GB/T 12221-2005
- Design: Spring-loaded piston control valve
- Size Range: DN15 to DN200
Main Dimensions of Spring Piston Pressure Reducing Valve (Unit: mm)
| Nominal Diameter (DN) | Face-to-Face Length (L) | Height to Centerline (H1) | Total Height (H2) |
|---|---|---|---|
| 15 | 160 | 170 | 75 |
| 20 | 160 | 170 | 75 |
| 25 | 180 | 188 | 77 |
| 32 | 200 | 192 | 82 |
| 40 | 200 | 270 | 98 |
| 50 | 220 | 270 | 98 |
| 65 | 280 | 310 | 138 |
| 80 | 310 | 403 | 152 |
| 100 | 350 | 418 | 170 |
| 125 | 400 | 570 | 222 |
| 150 | 450 | 590 | 242 |
| 200 | 500 | 640 | 262 |
Main Component Materials
| Component Name | Valve Body, Upper & Lower Cover | Piston | Piston Sleeve | Valve Stem | Regulating Spring |
|---|---|---|---|---|---|
| Material | Grey Cast Iron, Carbon Steel | Stainless Steel | Stainless Steel | Stainless Steel | Chromium-Manganese Steel |
FAQ
What media is the Y410/Y425 valve compatible with?
It is suitable for water, air, and non-corrosive liquid pipelines up to 90°C.
What are the available pressure classes?
This model supports PN10 and PN16 working pressure ratings.
Can this valve be used in fire protection systems?
Yes, it is ideal for fire water supply systems in high-rise buildings.
Does the valve require frequent maintenance?
No, the internal stainless steel trim and piston mechanism ensure long service life with minimal maintenance.
How is stable pressure control achieved?
The built-in spring piston compensates for inlet pressure fluctuations, maintaining steady outlet pressure.
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