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OEM Steel Precision Casting Stop Check Valve Part Butterfly Valve Disc
US$0.69-3.49
100 Pieces
Sample price:US$0.79/piece.Request sample
Product profile
Customization
AvailableMedia
OilDriving Mode
ElectricModel NO.
SA-DBConnection Form
FlangeStructure
Double-Eccentric SealingSeal Form
Auto SealedValve Stem
ExtendedWork Pressure
Low Pressure (Pn<1.6mpa)Working Temperature
Medium Temperature (120°C<T<450°C)Material of Seal Surface
Soft SealedValve Body
CastingStandard
Contact UsApplication
Industrial Usage, Water Industrial Usage, Household UsageItem
Valve DiscCasting Method
Special CastingSurface Roughness
Ra0.4Raw Material
Carbon Steel, Stainless SteelTolerance
+-0.2 or as DrawingsTechnology
Precision Casting + MachiningService
Shengao, OEMColor
Nature or as RequestExport Markets
GlobalOEM and ODM
100% with DrawingsInspection
Slide Caliper, Microcaliper, ProjectorName
Butterfly ValveLogo Printing
CustomizedMOQ
10-1000PCSFree Sample
YesTransport Package
Iron Box, Plywood BoxSpecification
ASTM, GB, DIN, EN124, CETrademark
ShengaoOrigin
Weifang City. Shandong Province. ChinaHS Code
87089910Production Capacity
500ton/MonthKey features
OEM & Customization: Full customization from drawings or samples with logo printing and color options.
Precision Casting Process: Advanced lost-wax investment casting with high dimensional accuracy and surface finish.
Wide Material Selection: Available in Carbon Steel, Stainless Steel, Alloy Steel, and various other alloys.
High Production Capacity: Annual supply capacity of 20,000 tons with 500 metric tons monthly output.
Advanced Machining: Equipped with 30+ CNC centers and independent machining facility for precision.
Quality Certification: ISO9001 quality control with third-party inspection and NDT capabilities.
Global Export Experience: Exporting globally with strong market share in Europe, US, and Asia.
Flexible MOQ: Low MOQ starting from 1-5 pcs for prototypes up to 1000 pcs for production.
Company profile
Business Type: Manufacturer/Factory CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2010-04-06 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.29h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryWeifang Shengao Machinery Co., Ltd. specializes in mechanical parts and exhibits strong customization and export capabilities. Despite having a good design service offering, the company lacks innovation in R&D, as no new products were developed recently. Limited resources are evident with only 9 employees and no overseas presence. Financial credibility is unclear, and after-sales service procedures are in place. The supplier holds a result of 0 from a TUVRHEINLAND audit.
Supplier typeThe supplier is focused on mechanical parts and operates as a limited company. It is not part of a larger company group.
CertificationsThe supplier has been audited by TUVRHEINLAND, but the audit result is 0, indicating no certification.
After-Sales capabilityThe supplier has documented procedures for handling customer complaints and corrective actions, indicating a structured approach to after-sales service.
R&D capabilityThe supplier lacks innovation in R&D as there were no new products developed in the past year and it does not offer ODM services.
Customization capabilityThe supplier offers extensive customization services, including full and minor customization, indicating strong capabilities in this area.
Product Q&A
Q:What is an Investment Casting Butterfly Valve Disc?
A:
It is the core rotating component inside a butterfly valve, also called the valve plate or vane. Shaped like a disc, it rotates on a shaft to control or shut off fluid flow. Manufactured via investment casting (lost-wax casting), this process allows for complex geometries, excellent surface finish, and high dimensional accuracy in a wide range of metal alloys.
Q:What are the advantages of investment casting for valve discs?
A:
Design Flexibility: Produces complex, near-net-shape parts with integrated features. Superior Surface Finish: As-cast surface finish is excellent, reducing post-machining. Material Versatility: Can cast a vast range of alloys. Dimensional Accuracy & Consistency: High precision for tight tolerances on critical sealing surfaces.
Q:What types of butterfly valve discs do you produce?
A:
We cast discs for all major valve designs: Concentric Discs, Double/Triple Offset Discs, Lug & Wafer Style Discs, V-Port/Characterized Discs, and Custom/Proprietary Designs for OEMs.
Q:What materials are commonly used?
A:
Common materials include Stainless Steel (CF8, CF8M), Duplex & Super Duplex Stainless Steel, Alloy 20, Monel, Hastelloy, Carbon Steel (WCB, LCB), Bronze, and Aluminum Bronze.
Q:What post-casting processes are included?
A:
We provide Heat Treatment, Precision CNC Machining for sealing surfaces and shaft bores, Non-Destructive Testing (PT/RT), and Final Cleaning & Passivation.
Send Inquiry
*To:
Weifang Shengao Machinery Co., Ltd.
Weifang Shengao Machinery Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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