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ASME B16.20, DIN Spiral Wound Gasket/Metal Jacketed Gaskets/Swg
US$1.00-10.00
5 Pieces
Sample price:US$1.00/piece.Request sample
Product profile
Customization
AvailableStyle
O RingFunction
Fixed Sealing, Hole SealingModel NO.
International standards or customer requirementsApplication
Equipment Seal, Flange Seal, Pump SealShape (For Gasket)
Flat GasketMaterial
MetalStandard
StandardCertification
ISO APITerm
Fob Ningbo EXW CIFPressure
StandardTemperature
StandardTransport Package
Box and Wooden CaseSpecification
1/2"-60"Trademark
zhmfOrigin
Wenzhou, ZhejaingHS Code
848410Production Capacity
100000PCS/WeekKey features
Versatile Material Options: Available in 304, 304L, 316, 316L, 321, Ta, Mon400, Inconel, and non-metallic fillers.
Wide Industry Application: Suitable for petrochemical, machinery, power, metallurgy, shipbuilding, and aerospace.
High Performance Sealing: Designed for high-temperature and high-pressure environments with steam, oil, and gas.
Multiple Standard Compliance: Meets ASME B16.20 and DIN standards for spiral wound and metal jacketed gaskets.
Comprehensive Equipment Fit: Ideal for pipelines, valves, pumps, pressure vessels, and various flange connections.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2023-10-06Nearest Port: ningboAverage Response Time: ≤1.86h
AI-Powered supplier vetting
SummaryWenzhou Zhenghai Sealing Co., Ltd is identified as a China-based manufacturer/factory in Zhejiang, producing metallic ring gaskets, flange gaskets, spiral-wound gaskets, and related sealing products. The supplier reports CNC and inspection equipment, 10 production lines, and 6–10 quality-control staff. It states that products can be made to customer drawings and dimensions, with a maximum product size of 2,000 mm, and lists multiple management-system certifications, including ISO 9001 and API-related certifications. Export activity reportedly began in 2023, while export sales represent 1%–10% of total sales. Evidence is insufficient to assess after-sales capability, financial credibility, innovation capability, or customer cases.
Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory, while another record describes the company nature as a trade company. The formal supplier-type field and the company’s stated manufacturing address support manufacturer status, although the conflicting classification should be clarified.
CertificationsThe supplier states that it passed API 6A, API Q1, and ISO 9001:2008 certifications, and separately lists ISO 9000, ISO 9001, ISO 14001, ISO 14000, and ISO 50001 management-system certifications. These declarations provide explicit evidence of certification holding, although certificate validity and scope are not supplied.
Production capacityProduction capability is supported by 10 production lines, 6–10 quality-control staff, CNC and testing equipment, a stated maximum product size of 2,000 mm, and a broad range of gasket products and materials. The supplier also identifies specialized ring-joint and flange-gasket applications, indicating established product manufacturing scope.
Customization capabilityThe supplier explicitly states that it can manufacture according to customer-specific dimensions or drawings, with products up to 2,000 mm, and can supply products in approximately 30 material types. This directly supports customization in dimensions, drawings, and material selection.
Product Q&A
Q:What materials are used for the spiral wound gasket?
A:
Made from stainless steel tapes (304, 304L, 316, 316L, 321, Ta, Mon400, Inconel) combined with non-metallic fillers like graphite, PTFE, mica, or ceramic.
Q:What are the main applications of this gasket?
A:
Used for static sealing in pipelines, valves, pumps, pressure vessels, condensers, and towers across industries like petrochemical, power, and shipbuilding.
Q:What temperature and pressure conditions can it handle?
A:
Suitable for high-temperature and high-pressure media including steam, oil, gas, solvents, and hot oil.
Q:Which standards does the product comply with?
A:
Complies with ASME B16.20 and DIN standards for spiral wound and metal jacketed gaskets.
Q:What are the available trade terms?
A:
We offer flexible terms including FOB Ningbo, EXW, and CIF.
Send Inquiry
*To:
Wenzhou Zhenghai Sealing Co., Ltd
Wenzhou Zhenghai Sealing Co., Ltd*Content:
Supplier replies will be sent to your registered email
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