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The product has CE certification.

High Quality Standard Spiral Winding Graphite Metal Gasket for Reliable Sealing Solutions

Name: High Quality Standard Spiral Winding Graphite Metal Gasket for Reliable Sealing Solutions
Brand: Ningbo Dongheng Sealing Co., Ltd.
SKU: 2062417332

Zhejiang, ChinaNingbo Dongheng Sealing Co., Ltd.

US$0.10

1 Piece

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Metal+Non-Metal

Application

Flanges

Model NO.

XINSEN-SD

Type

Shaft Seal

Performance

Wear

Shape

O-Ring

Standard

Standard, Nonstandard

Winding

304,316, 321,347, Monel, Inconel, 32750

Hoop

304,316, 321,347, Monel, Inconel, 32750

Inner Ring

304,316, 321,347, Monel, Inconel, 32750

Outer Ring

304,316, 321,347, Monel, Inconel, 32750

Filler

Mica, Fg, Ceramic, PTFE, Asb, Cnaf

Ring Color

Green, Yellow, Galvanized

Transport Package

Wooden Carton

Specification

DN15 ~ DN10000

Trademark

XINSEN/DONHONSIL

Origin

China

HS Code

8484100000

Production Capacity

50000000PCS/Year

Key features

Multi-Material Customization: Customizable winding, hoop, and rings in 304, 316, Monel, Inconel, and more.

Enhanced Structural Integrity: Inner ring ensures accurate centering, prevents implosion, and shields sealing elements.

Blowout Resistance: External guide ring provides radial strength to thwart blowout and serves as compression stop.

Standard Compliance: Adheres to DIN 2699 German standard and ASME B16.20 regulations for PTFE fillers.

Versatile Flange Compatibility: Ideal for raised and flat-faced flanges, including tongue and groove, male and female styles.

Wide Size Range: Available in sizes 16-3000mm with thicknesses from 3.2mm to 7.5mm.

Flexible Customization Options: Supports full customization, minor customization, and flexible customization from samples or designs.

Low Minimum Order Quantity: Minimum Order Quantity is only 2 units, suitable for small batch testing or specific needs.

Company profile

Fast DeliveryOEM ServicesQuality AssuranceQA/QC Inspectors

Ningbo Dongheng Sealing Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤18h

AI-Powered supplier vetting

SummaryThe supplier manufactures industrial sealing products, including spiral wound gaskets, PTFE tape, and PTFE gaskets, from a 4,500 m² facility with three production lines. It offers extensive customization, 3D design, ODM, and OEM services, and reports new products within the past year. Quality-related evidence includes CE certification, ISO 9001:2015 certification, quality assurance, and documented corrective and preventive action procedures. However, complaint handling lacks written records, supplier approval documentation is incomplete, and the factory does not continuously reconcile production quantities or maintain standard outsourcing procedures. The supplier has inventory capability and valid contracts with affiliated subcontractors, but no overseas warehouse, showroom, agents, branches, or overseas service locations. Export activity is reported, with 31%–40% of sales from exports and four years of export experience. Customer evidence includes a 50%–80% repeat-buyer preference, but no Fortune 500...

Supplier typeThe supplier is a manufacturing-oriented industrial equipment and components provider producing spiral wound gaskets, PTFE tape, and PTFE gaskets. It has a 4,500 m² manufacturing plant, three production lines, inventory capability, and valid contracts with affiliated subcontractors, while lacking overseas warehouses, showrooms, agents, and branches.

CertificationsThe supplier reports CE product compliance certification and an ISO 9001:2015 management-system certificate. It also states that quality assurance is present in its quality-control processes, providing explicit certification and quality-system evidence.

R&D capabilityThe supplier provides 3D software design, ODM, and OEM services and reports new products within the past year. It has one R&D engineer and no available SDK, indicating some development capability but limited evidence of broader technical resources.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, flexible customization, and 3D software design services. This establishes broad customization coverage across both design-based and sample-based requirements.

Product Q&A

Q:What materials are available for the spiral wound gasket?

The winding, hoop, inner ring, and outer ring can be customized in 304, 316, 321, 347, Monel, Inconel, and S32750. Fillers include Mica, Fg, Ceramic, PTFE, Asbestos, and Cnaf.

Q:What standards does this gasket comply with?

The design adheres to the DIN 2699 German standard and ASME B16.20 regulations, particularly for PTFE fillers, ensuring reliability in graphite filler applications.

Q:What is the function of the inner ring?

The inner ring amplifies efficiency, ensures accurate centering on the flange face, guards against implosion during installation, and shields the sealing element from extreme conditions.

Q:What is the minimum order quantity (MOQ)?

The Minimum Order Quantity is 2 units.

Q:What are the lead times for production?

Peak season lead time is one month, while off-season lead time is within 15 workdays.