Which flange types are compatible?

The gaskets are suitable for raised face and flat face flanges.

What is the company's business type?

We are a Manufacturer/Factory and Trading Company established in 2020.

What are the available shipping terms?

We offer FOB, CIF, CFR, and EXW international commercial terms.

Robust Wound Gasket for Reliable Sealing in Various Industries

Name: Robust Wound Gasket for Reliable Sealing in Various Industries
Brand: Ningbo Dongheng Sealing Co., Ltd.
SKU: 2082597392

Zhejiang, ChinaNingbo Dongheng Sealing Co., Ltd.

US$0.10

1 Piece

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

Transport Package

Wooden Carton

Specification

DN15 ~ DN10000

Trademark

XINSEN/DONHONSIL

Origin

China

HS Code

8484100000

Production Capacity

50000000PCS/Year

Key features

Inner Ring Stability: Prevents implosion, shields sealing element, and fills voids between flanges.

Outer Ring Protection: Provides radial strength, acts as blowout safeguard, and resists harsh conditions.

DIN 2699 Compliance: Inner rings comply with German standard for all spiral wound gaskets.

ASME B16.20 Standard: Inner rings essential for PTFE filler and recommended for graphite filler.

Versatile Flange Fit: Ideal for raised face and flat face flanges with excellent reliability.

Wide Material Range: Available in 304, 316L, Alloy825, Monel400, Inconel625, and various fillers.

Flexible Customization: Offers full, minor, and sample/design-based customization options.

CE Certification: Product meets CE safety and quality standards.

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.