What payment terms are accepted?

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

What types of flanges is this gasket suitable for?

It is designed for raised face, flat face, tongue and groove, male and female, and heat exchanger applications.

What is the size range of the gasket?

The size range is 16-3000 mm with thickness options of 3.2, 4.5, 4.8, 5.5, and 7.5 mm.

Donhonsil Premium Sealing Gasket with Graphite for High Performance

Name: Donhonsil Premium Sealing Gasket with Graphite for High Performance
Brand: Ningbo Dongheng Sealing Co., Ltd.
SKU: 2078955282

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

Premium Graphite Sealing: Spiral wound gasket with graphite filler for high performance and wear resistance.

Robust Ring Construction: Features solid outer and inner rings to prevent implosion and enhance radial strength.

DIN 2699 Compliance: Inner ring crafted from same alloy as winding, complying with DIN 2699 standards.

Wide Material Selection: Available in 304, 316L, Alloy825, Monel400, Inconel625, and various filler options.

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

Versatile Flange Fit: Designed for raised face, flat face, tongue and groove, and heat exchanger applications.

CE Certified Quality: Product holds CE certification ensuring compliance with European safety standards.

Low MOQ Availability: Minimum Order Quantity is just 2 units, suitable for small batch testing.

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 in various materials including 304, 304L, 316, 316L, 321, Alloy825, Monel400, Inconel625, and S32750. Fillers include Graphite, PTFE, and Non-asbestos.

Q:Does the gasket comply with international standards?

Yes, the inner ring complies with DIN 2699 standards. The product also holds CE certification.

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

The Minimum Order Quantity is 2 units.

Q:Can the product be customized?

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

Q:What are the lead times for production?

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