Description
Buy Gate Valve PN16/25 Carbon Steel Butt Weld Handwheel Operation
The Gate Valve PN16/25 Carbon Steel Butt Weld Handwheel Operation is expertly manufactured by VALVEHU, a leading Chinese valve producer known for its dedication to quality and adherence to international and GB/T industry standards. This high-performance valve is specifically engineered for robust shut-off capabilities in various industrial applications, including water, air, steam, and oil systems.
Constructed primarily from durable carbon steel (WCB) compliant with GB/T12229, this gate valve features a solid body and bonnet structure designed for high strength and excellent corrosion resistance. The wedge-type gate disc and seating surfaces are enhanced with Stellite alloy overlays, ensuring outstanding wear resistance and reliable sealing performance, even under high-temperature conditions up to 540°C. The valve stem, precision-machined from materials such as 2Cr13 and 38CrMoALA, works in tandem with flexible graphite packing to ensure leak-proof performance and smooth manual control via the integrated handwheel.
Designed according to GB/T12224 for manufacturing standards and GB/T12221 for structural dimensions, this gate valve features butt weld ends conforming to GB/T150, ensuring secure, permanent integration with pipeline systems. All valves are thoroughly inspected and tested in compliance with GB/T26480, guaranteeing top-level quality assurance before shipment.
With a pressure rating of PN16/25, this valve is ideal for demanding applications requiring full flow shut-off, such as petrochemical processing, power generation, water treatment, and industrial utility services. Its carbon steel body combined with premium internal materials makes it a dependable and long-lasting solution in high-demand environments.
Choose this premium gate valve from VALVEHU when your project demands uncompromising reliability, safety, and compliance with global standards. For pricing, technical support, or ordering assistance, contact our sales team today to secure the most efficient and trusted valve solution for your systems.
Technical Specifications
- Manufacturer: VALVEHU, China
- Body Material: Carbon Steel (WCB) per GB/T12229
- Disc & Seat Material: Stellite 6 and Stellite 12 alloys
- Stem Material: 2Cr13 and 38CrMoALA steel
- Connection Type: Butt Weld Ends per GB/T150
- Operation: Manual Handwheel
- Design & Manufacture Standards: GB/T12224, GB/T12221
- Packing: Flexible Graphite
- Max Operating Temperature: Up to 540°C
- Suitable Media: Water, Air, Steam, Oil
Technical Standards for Valve Application and Materials
| Application Standard | Standard Code | Material | Material Standard Code |
|---|---|---|---|
| Design and Manufacture | GB/T12224 | Carbon Steel | GB/T12229 |
| Connection End Dimensions | Stainless Steel | GB/T12230 | |
| Structural Length | GB/T12221 | Alloy Steel | GB/T12231 |
| Weld End Dimensions | GB/T150 | ||
| Inspection and Test | GB/T26480 | Marking | GB/T12220 |
| Delivery | JB/T7928 |
Main Parts Materials and Applications
| Valve Body | Valve Cover | Valve Disc | Valve Seat | Valve Stem | Packing | Applicable Medium | Applicable Temperature (≤ °C) |
|---|---|---|---|---|---|---|---|
| WCB | WCB + Stellite 12 | Stellite 6 | Stellite 6 | 2Cr13 | Flexible Graphite | Water, Air, Steam | 425 |
| ZG1Cr5Mo | ZG1Cr5Mo + Stellite 12 | Stellite 6 | Stellite 6 | 38CrMoALA | Flexible Graphite | Water, Steam, Oil, Air | 540 |
| ZG1Cr18Ni9Ti | ZG1Cr18Ni9Ti + Stellite 12 | Stellite 6 | Stellite 6 | 1Cr18NiTi | PTFE | Water, Air, Corrosive Steam | 200 |
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