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Premium 304 Stainless Steel Graphite Spiral Wound Gaskets
US$0.10
2 Pieces
Product profile
Customization
AvailableMaterial
316L,GraphiteApplication
ElectricModel NO.
SUNWELL-SW600Type
Shaft SealPerformance
High PressureShape
O-RingStandard
Standard, NonstandardProduct Name
Spiral Wound GasketColor of Gaskets
According The ASME StandardCertificate
Dnv ISO9001,SGSQuality
High Level of Spiral Wound GasketTransport Package
Wooden Case for Spiral Wound GasketsSpecification
according your requestTrademark
SUNWELLOrigin
Ningbo, ChinaProduction Capacity
1000000PCS/MonthKey features
Comprehensive Type Range: Manufactures SW600-R, IR, CG, and CGI types for various flange assemblies and operating conditions.
High Production Capacity: Monthly output reaches 150,000 pieces to ensure timely supply for large-scale projects.
Diverse Material Options: Utilizes 316L stainless steel and graphite for optimal performance in all operating conditions.
ASME Standard Compliance: Color and specifications strictly adhere to ASME standards for global compatibility.
Advanced Inner Ring Design: SW600-IR type prevents solid accumulation and minimizes erosion in male and female pipe flanges.
Outer Ring Stability: SW600-CG type provides radial strength and prevents blowout on flat and raised face flanges.
High Pressure & Temperature Service: CGI type designed for Class 900+ applications with corrosive or toxic media presence.
Global Certification: Certified by DNV and ISO9001, SGS to ensure high quality and reliability.
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 types of spiral wound gaskets are available?
A:
We offer four types: SW600-R (Basic), SW600-IR (Inner Ring), SW600-CG (Outer Ring), and SW600-CGI (Inner & Outer Rings).
Q:What materials are used for the gaskets?
A:
The gaskets are manufactured using 316L stainless steel and graphite to suit all operating conditions.
Q:What is your monthly production capacity?
A:
Our production capacity is 150,000 pieces per month.
Q:Are the gaskets compliant with international standards?
A:
Yes, products are manufactured in accordance with all relevant gasket standards and follow ASME standards for color.
Q:What certifications do your products hold?
A:
Our products are certified by DNV, ISO9001, and SGS.
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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