What certifications does the product have?

The product holds CE certification.

What payment terms are accepted?

We accept LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.

What types of flanges are compatible with this gasket?

It is suitable for raised face, flat face, tongue and groove, male and female, and heat exchanger flanges.

Eco-Friendly Metal Spiral Wound, Semi-Metallic, Spiral Gasket for Sustainable Use

Name: Eco-Friendly Metal Spiral Wound, Semi-Metallic, Spiral Gasket for Sustainable Use
Brand: Ningbo Dongheng Sealing Co., Ltd.
SKU: 2144672635

Zhejiang, ChinaNingbo Dongheng Sealing Co., Ltd.

US$0.10

1 Piece

Sample price:US$0.10/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 304L 316 316L 321 Alloy825 Monel400 Inconel625

Inner Ring

304 304L 316 316L 321 Alloy825 Monel400 Inconel625

Outer Ring

304 304L 316 316L 321 Alloy825 Monel400 Inconel625

Filler

Fg, PTFE, Ceramic, Mica

Transport Package

Wooden Carton

Specification

DN15 ~ DN10000

Trademark

XINSEN/DONHONSIL

Origin

China

HS Code

8484100000

Production Capacity

50000000PCS/Year

Key features

Advanced Inner Ring Design: Prevents implosion, shields sealing element, and ensures precise flange alignment.

Wide Material Selection: Available in 304, 316L, Monel, Inconel, and various fillers like PTFE and Graphite.

High Durability & Safety: Robust outer ring provides radial strength, safeguarding against blowout and erosion.

Versatile Flange Compatibility: Suitable for raised face, flat face, tongue and groove, and male/female flanges.

Strict Quality Standards: Meets DIN 2699 and ASME B16.20 standards for rigorous performance reliability.

Flexible Customization: Offers full customization, minor adjustments, and customization from samples or designs.

Fast Lead Time: Off-season delivery within 15 workdays; peak season within one month.

Low Minimum Order: Minimum Order Quantity is only 2 units, ideal for testing and small batches.

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?

Winding and rings are available in 304, 304L, 316, 316L, 321, Alloy825, Monel400, Inconel625, and S32750. Fillers include Asbestos, Graphite, PTFE, Non-asbestos, FG, and NACF.

Q:What is the purpose of the inner ring in this gasket?

The inner ring prevents gasket implosion during installation, shields the sealing element from extreme conditions, fills voids between flanges to thwart erosion, and minimizes failure risk.

Q:Does the product support customization?

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?

Off-season lead time is within 15 workdays, while peak season lead time is one month.