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Virgin PTFE Gasket for Ball Valve
US$0.10
100 Pieces
Product profile
Customization
AvailableMaterial
PTFEApplication
CylinderModel NO.
wj545Type
Shaft SealPerformance
High PressureShape
Square RingStandard
Standard, NonstandardColor
WhiteDelivery Time
15 DaysOEM/ODM
WelcomeCertificated
ISO 9001:2008Transport Package
CartonSpecification
per your requestTrademark
WalleOrigin
Guangdong, ChinaHS Code
73209090Production Capacity
100, 000PCS/MonthKey features
Superior Sealing Performance: Square rings perform sealing functions better than O-rings at a lower cost.
Direct O-ring Replacement: Interchangeable size for size with standard AS568 O-rings in existing grooves.
High Pressure Capability: Designed for high pressure static applications with extreme close tolerances.
Custom OEM/ODM Support: OEM and ODM services are welcome for customized sealing solutions.
ISO 9001 Certified: Manufacturing process certified under ISO 9001:2008 standards.
Fast Delivery Time: Standard delivery time is 15 days for efficient order fulfillment.
Homogenous Material Quality: Made from pure PTFE with no joints or laminations for durability.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2010-08-02 CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤11.92h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryDongguan Walle Sealing Technology Development Co., Ltd. is a China-based limited company classified as a trade company, associated with the manufacturing industry and focused on sealing products. It reports ISO9001 certification, five production lines, a 2,000 m² plant, 27 employees, and stated annual output of 2,000,000 boxes of rubber seals, oil seals, and O-rings. The supplier exports extensively, with 71%–90% of sales from exports and markets across multiple regions. It supports OEM orders and describes engineering research, technological innovation, advanced production and testing equipment, and sealing solutions for numerous industries. Order fulfillment is stated as one month in both peak and off-peak periods. Evidence is insufficient to assess after-sales service depth, financial credibility, or specific customer cases. The records also contain inconsistent experience claims: one slice states three years of R&D engineer experience, while another claims over 20 years of production and R&D staff...
Supplier typeThe supplier is identified as a limited company in China, classified as a trade company, with associated companies in manufacturing and operations centered on sealing-product development and production. Its stated commercial categories include industrial equipment, machinery, tools, automotive parts, and manufacturing-related products.
CertificationsThe supplier explicitly reports an ISO9001:2015 certificate. Another description references ISO9001:2008, but the records do not clarify whether this is an older certificate or a separate status; the current explicit certification evidence is ISO9001:2015.
R&D capabilityThe supplier explicitly describes engineering research, technological innovation, multiple sealant formulations, advanced production and testing equipment, and the use of materials and technology for demanding environments. The evidence supports stated innovation activity, although the record also reports only three years of total R&D engineer experience and does not provide patents or quantified R&D results.
Production capacityThe supplier reports a 2,000 m² manufacturing plant, five production lines, 27 employees, and annual output of 2,000,000 boxes of rubber seals, oil seals, and O-rings. It states one-month fulfillment during both peak and off-peak periods and describes production of seals for multiple industrial applications, providing explicit evidence of operational production capacity.
Customization capabilityThe supplier welcomes OEM orders and states that it develops varied sealing formulations and solutions using different materials and technologies for demanding operating environments. Its broad product range includes synthetic rubber, PTFE, hydraulic, cylinder, PU, FKM, perfluoroelastomer, oil and gas, chemical, pump, and valve seals, supporting customization capability.
Product Q&A
Q:What is the main advantage of using Square Rings over O-rings?
A:
Square rings offer superior sealing performance at a lower cost compared to other comparable sealing devices.
Q:Can Square Rings replace O-rings in existing applications?
A:
Yes, they are interchangeable size for size with standard AS568 O-rings and fit in the same grooves without design changes.
Q:Is OEM or ODM service available?
A:
Yes, we welcome OEM and ODM customization for our sealing products.
Q:What is the typical delivery time for orders?
A:
The standard delivery time is 15 days.
Q:Are the products certified?
A:
Yes, our products are certified under ISO 9001:2008.
Send Inquiry
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Dongguan Walle Sealing Technology Development Co., Ltd.
Dongguan Walle Sealing Technology Development Co., Ltd.*Content:
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