OEM Investment Casting CF8M Stainless Steel Butterfly Valve Disc
Our butterfly valve discs are precision‑cast and machined, double‑lug concentric structure, mirror polished stainless‑steel surface. Custom sizes and materials are acceptable for industrial butterfly valves.
Material:
1.4308/1.4408/1.4469/1.4470/1.4588/C276 and more
Dimension:
DN25 – DN400
Pressure:
PN3-PN25
Casting:
Investment Casting
Certificate:
PED
Approval by Lloyd's Register Classification of China
Descriptions
Parametric
Specificities
Details
Case
Butterfly Valve Disk DN25-DN400
The centerline valve disk is produced by investment casting. The material include various stainless steel, duplex steel and nickel-based alloys. Machining is completed through CNC lathe and horizontal milling machines. The coaxiality of the disk is within 0.15mm, the square tolerance is within 0.05mm.
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20
+
Year/Experiences
245
+
Employees
Product Parameters
| Manufacture Process: | Investment casting |
| Heat Treatment: | Solution annealing |
| Maximum Part Size: | 500mm |
| Minimum part size: | 25mm |
| Certificate: | PED |
| Material Standard: | EN10213/EN10088-1/ASTM A351/A351M and more |
Product Features
Customer customization
We can develop patterns and produce corresponding products according to customer requirements.
Product accuracy
Machining is carried out through CNC lathes and machining centers to ensure good product accuracy.
Casting dimensions
Investment casting ensures good dimensional accuracy and surface finish of the castings.
Stability
With a monthly production capacity of over 80,000 valve disks, we guarantee product quality and timely delivery.
Professionalism
Having been engaged in the valve field for more than 15 years, we can help customers complete the production of various products.
Certification
Approval by Lloyd's Register Classification of China, our products can be used in the marine industry.
Product Parameters
On The Basis Of Deepening Co-Operation With Existing Customers, We Continue To Develop New Customers In The Market And Provide Customers
Material Composition
- Standard material: CF8M / 1.4408 (316 stainless steel)
- Optional: CF8, Duplex steel, nickel‑base alloy for harsh corrosive environment
- Made by investment casting, dense casting microstructure
1
Dimensional Specifications
- Standard DN50‑DN600 butterfly valve disc dimensions
- Critical shaft hole & outer sealing circle finished by CNC machining
- Strict coaxiality and roundness tolerance to guarantee sealing performance
3
Certifications And Approvals
- Material Test Report(MTR) supplied for each batch
- Comply with ISO investment casting standards
- Accept third‑party inspection
5
Design And Construction
- Center‑line symmetrical disc structure for wafer butterfly valve
- Double shaft lug integrated casting, precise shaft mounting holes
- Outer sealing profile machined for matching valve seat sealing
- Compact one‑piece casting structure, high structural rigidity
2
Surface Finishing
- Pickling & passivation for stainless steel
- Deburr & grinding to eliminate casting flash
- Smooth casting surface, improve anti‑corrosion capability
4
Customization And Modifications
- OEM & ODM investment casting service
- Custom material, non‑standard size, cast marking engraving
- Produce fully according to customer technical drawings
6
Product Cases
We supply high‑quality cast valve bodies and valve discs for global valve manufacturers, supporting OEM & drawing customization.
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OEM Duplex Stainless Steel Investment Casting Valve Disc for Industrial Butterfly Valve
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On The Basis Of Deepening Co-Operation With Existing Customers, We Continue To Develop
New Customers In The Market And Provide Customers
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Shenyang Puyue Industrial Co., Ltd. Was
Founded In 2007, Is A Collection Of Scientific