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Durable Flat Octagonal Ring Gasket for Flange Pipe Applications
US$0.10
5 Pieces
Product profile
Customization
AvailableMaterial
CS,Soft Iron,304,316L,347,317....Application
ValveModel NO.
SUNWELL 810Type
Shaft SealPerformance
High PressureShape
O-RingStandard
Standard, NonstandardSize
Both API 6A and ASME B16.20 SizeCategory
Oval,Octagonal,Bx,Rx,Lens RingTransport Package
Wooden CaseSpecification
Standard, Nonstandard, according your requestTrademark
SunwellOrigin
Ningbo, ChinaProduction Capacity
800000PCS/MonthKey features
The oval type is the only gasket that will fit a bottom radiused groove.
Octagonal shape gasket is belong to API 6A R series
Available in both oval and octagonal configurations, both types are interchangeable on the modern octagonal type grooved flanges.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2011-01-01Nearest Port: Shanghai, NingboAverage Response Time: >24hTerms of Payment: LC, T/T, PayPalInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, Others
AI-Powered supplier vetting
SummaryNingbo Sunwell Sealing Materials Co., Ltd. is identified primarily as a China-based manufacturer of sealing and heat-preservation products, although one record classifies it as a trading company. The supplier reports ISO 9001 certification, more than 10 production lines, 15 million spiral wound gasket pieces and 12 million ring joint gasket pieces in annual output, and 6–10 R&D engineers and quality-control staff. It has reported export activity since 2011, self-operated import/export rights, and exports representing 51%–70% of total sales. The company states that it supports OEM and ODM orders and provides engineering assistance, but the supplied records do not independently verify these claims. Buyer and transaction evidence is limited, and the records provide insufficient information to assess financial strength or after-sales performance. No financial figures are included.
CertificationsThe supplier reports holding ISO 9001 certification. This is explicit evidence of a certified management system and supports a positive assessment for this field.
R&D capabilityThe supplier reports 6–10 R&D engineers and describes itself as engaged in research and development across multiple sealing-product categories. It also offers engineering assistance according to its company description, providing explicit but largely self-reported evidence of innovation capability.
Production capacityThe supplier reports more than 10 production lines and annual output of 15 million spiral wound gasket pieces and 12 million ring joint gasket pieces. It also identifies itself as a manufacturer and reports export operations since 2011, providing explicit evidence of substantial production capability.
Customization capabilityThe supplier explicitly states that it accepts OEM and ODM orders and can provide engineering assistance for customer applications. This directly supports the availability of customization services, although the records do not specify technical scope, tooling capability, or examples of completed customized projects.
Product Q&A
Q:What materials are available for the gasket?
A:
We offer CS, Soft Iron, 304, 316L, 347, 317, and other materials.
Q:Which standards does the gasket comply with?
A:
It meets API 6A and ASME B16.20 standards for size and rating.
Q:What are the precision tolerances?
A:
Width +/-0.008, Height +/-0.020, Pitch Diameter +/-0.007, Angle +/-1/2 degree.
Q:Can I get custom sizes?
A:
Yes, we support both API 6A and ASME B16.20 size specifications.
Q:What is the lead time for orders?
A:
Peak season: 6-12 months; Off season: one month.
Send Inquiry
*To:
Ningbo Sunwell Sealing Materials Co., Ltd.
Ningbo Sunwell Sealing Materials Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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