What payment terms are accepted?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

What is the warranty or quality guarantee?

The product has CE certification and undergoes random visual and function inspections. Raw materials are traceable.

What are the available sizes and thicknesses?

Sizes range from 16mm to 3000mm. Thickness options include 3.2mm, 4.5mm, 4.8mm, 5.5mm, and 7.5mm.

High-Strength Spiral Gasket with Graphite and Ss347 Winding

Name: High-Strength Spiral Gasket with Graphite and Ss347 Winding
Brand: Ningbo Dongheng Sealing Co., Ltd.
SKU: 2155593125

Zhejiang, ChinaNingbo Dongheng Sealing Co., Ltd.

US$0.10

1 Piece

Product profile

Customization

Available

Material

Semi Metallic

Application

Flanges

Model NO.

XINSEN-SD

Type

Shaft Seal

Performance

Wear

Shape

O-Ring

Standard

Standard, Nonstandard

Gasket Standard

ASME B16.20, En1514-2, JIS, Hg20631

Filler

Graphite, PTFE, Mica, Ceramic

Winding

SS304, SS316, Ss317, Ss347, Inconel, Monel,

Inner Ring

SS304, SS316, Ss317, Ss347, Inconel, Monel,

Outer Ring

SS304, SS316, Ss317, Ss347, Inconel, Monel,

Transport Package

Wooden Carton

Specification

DN15 ~ DN10000

Trademark

XINSEN/DONHONSIL

Origin

China

Production Capacity

50000000PCS/Year

Key features

High-Strength Design: Integrated solid outer and inner rings boost performance and precision.

Implosion Prevention: External guide ring ensures centering and prevents pipe implosion.

Corrosion Resistance: Available in SS304, SS316, Inconel, and Monel for harsh mediums.

Versatile Compatibility: Ideal for raised, flat-faced, tongue and groove, and heat exchanger flanges.

Customization Options: Supports full customization, minor customization, and flexible options.

Certified Quality: Meets ASME B16.20, DIN 2699, and CE standards for reliability.

Durable Materials: Uses Graphite, PTFE, Mica, or Ceramic fillers with alloy windings.

Blowout Protection: Robust external ring provides radial strength and compression stop.

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: ≤15h

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 gasket is available with fillers such as Graphite, PTFE, Mica, and Ceramic. The winding and rings can be made from SS304, SS316, SS317, SS347, Inconel, and Monel.

Q:What standards does this gasket comply with?

The product complies with ASME B16.20, EN1514-2, JIS, and Hg20631 standards. The inner ring meets DIN 2699 requirements.

Q:Is customization available for this product?

Yes, we offer full customization, minor customization, flexible customization, and customization from samples or designs.

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

The minimum order quantity is 2 units.

Q:What are the lead times for production?

The peak season lead time is one month, while the off-season lead time is within 15 workdays.