Do you offer OEM and ODM services?

Yes, we provide both OEM and ODM services with our own brand and R&D team.

What is the lead time for production?

During peak season, the lead time is one month. In the off-season, it is within 15 workdays.

Which flange types are compatible with this gasket?

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

Premium Flexitallic Gasket for Enhanced Sealing Performance and Durability

Name: Premium Flexitallic Gasket for Enhanced Sealing Performance and Durability
Brand: Ningbo Dongheng Sealing Co., Ltd.
SKU: 2062395132

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

Robust Inner Ring Design: Ensures precise centering and prevents gasket implosion during installation.

Wide Material Compatibility: Available in 304, 316L, Alloy 825, Monel 400, and various fillers like PTFE and Graphite.

Comprehensive Customization: Offers full, minor, and flexible customization from samples or designs.

DIN and ASME Compliance: Manufactured adhering to DIN 2699 and ASME B16.20 standards for safety and quality.

Corrosion Resistant Options: Outer rings available in carbon steel, zinc-plated, or specialized high-temp alloys.

Versatile Flange Application: Ideal for raised face, flat face, tongue and groove, and heat exchanger flanges.

OEM and ODM Services: Full OEM and ODM capabilities with dedicated R&D engineers and new product launches.

Flexible Lead Time: Peak season takes one month; off-season delivery within 15 workdays.

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?

We offer a wide range of materials including 304, 304L, 316, 316L, 321, Alloy 825, Monel 400, Inconel 625, and S32750. Fillers include Asbestos, Graphite, PTFE, and Non-asbestos options.

Q:Can the gasket be customized?

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

Q:What are the standard sizes and thicknesses?

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

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.