What is the lead time for production?

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

Is OEM service available?

Yes, OEM and ODM services are available for this product.

What standards does the gasket adhere to?

The inner ring adheres to DIN 2699 standards, and PTFE filler gaskets meet ASME B16.20 standards.

Spiral Gasket with Monel Inner Ring and High-Strength Graphite

Name: Spiral Gasket with Monel Inner Ring and High-Strength Graphite
Brand: Ningbo Dongheng Sealing Co., Ltd.
SKU: 2079351122

Zhejiang, ChinaNingbo Dongheng Sealing Co., Ltd.

US$0.10-0.20

1 Piece

Sample price:US$10.00/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

Inner Ring

304,316,Monel,Alloy20, Uns S32750

Hoope

304,316,321,317,Monel, 32750, Inconel

Filler

Graphite, Mica, Ceramic

Outer Ring

304, 316, 321, Monel, Inconel

Transport Package

Wooden Carton

Specification

DN15 ~ DN10000

Trademark

XINSEN/DONHONSIL

Origin

China

HS Code

8484100000

Production Capacity

50000000PCS/Year

Key features

Inner Ring Design: Enhances performance, prevents implosion, and ensures centering on flange faces.

Wide Material Options: Inner rings available in Monel, Alloy20, 304, 316, and other high-grade alloys.

High Temperature Resistance: Superior protection against extreme temperatures and harsh environments.

Corrosion Resistance: Outer rings made of zinc-plated carbon steel or alloys to combat corrosion.

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

Versatile Application: Ideal for raised, flat-faced flanges, and heat exchangers.

Quality Assurance: Strict inspection with visual and function checks for finished products.

Certified Manufacturer: CE certified with OEM/ODM services and traceable raw materials.

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 is the function of the inner ring in the spiral wound gasket?

The inner ring prevents the gasket from imploding during installation, provides protection against extreme temperatures, and ensures impeccable centering on the flange face.

Q:What materials are available for the inner ring?

Inner rings can be made from 304, 316, Monel, Alloy20, Uns S32750, and other high-grade alloys matching the winding material.

Q:Can the gasket be customized?

Yes, we offer full customization, minor customization, and flexible options based on samples or designs.

Q:What is the minimum order quantity?

The minimum order quantity is 2 units.

Q:What are the payment terms?

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