Stainless Steel Butterfly Valve Disc with Double Lugs
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
Our double‑lug butterfly valve discs are made of high‑quality stainless steel SS304 / SS316. It delivers excellent mechanical strength, toughness and outstanding corrosion resistance for harsh working conditions.
1
Dimensional Specifications
Standard sizes available, also support fully custom dimensions based on customer drawings. Compliant with ANSI, DIN and ISO industrial standards.
3
Certifications And Approvals
Material Test Report (MTR) is available. Products pass third‑party inspection for industrial valve applications.
5
Design And Construction
Concentric double‑lug structure, precisely machined shaft lugs for stable valve‑rod connection. Optimized profile ensures reliable sealing performance for butterfly valves.
2
Surface Finishing
Mirror‑polished surface, smooth finish, low friction. Sandblasting is also available upon customer request.
4
Customization And Modifications
Accept OEM & drawing‑based customization. We can modify material, thickness, lug structure and surface treatment according to your requirements.
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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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