Which payment terms do you accept?

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

What certifications does the product have?

The product holds CE certification.

What are the available shipping terms?

We offer FOB, CIF, CFR, and EXW terms, shipping from Ningbo Port or Shanghai Port.

Premium Gasket Technology for Enhanced Performance in Sealing

Name: Premium Gasket Technology for Enhanced Performance in Sealing
Brand: Ningbo Dongheng Sealing Co., Ltd.
SKU: 2057682702

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

Enhanced Inner Ring Design: Prevents collapse into pipe, shields sealing element from extreme temperatures and harsh mediums.

Robust Outer Ring Construction: Adds radial strength to avert blowout and functions as a compression stop for raised and flat-faced flanges.

Precise Flange Centering: External guide ring ensures precise centering on the flange face for optimal sealing performance.

Comprehensive Material Options: Available in 304, 316L, Alloy825, Monel400, Inconel625, and various fillers like Graphite and PTFE.

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

Wide Size Range: Sizes available from 16mm to 3000mm with thickness options ranging from 3.2mm to 7.5mm.

Corrosion Protection: Outer rings often crafted from carbon steel with paint or zinc plating for enhanced durability.

Industry Standard Compliance: Meets German DIN 2699 and ASME B16.20 standards for spiral wound gasket construction.

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: ≤10.92h

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?

Materials include 304, 304L, 316, 316L, 321, Alloy825, Monel400, Inconel625, and S32750 for metal, with fillers like Asbestos, Graphite, PTFE, and Non-asbestos.

Q:What are the size and thickness options?

Sizes range from 16mm to 3000mm, with thickness options of 3.2mm, 4.5mm, 4.8mm, 5.5mm, and 7.5mm.

Q:Can the gasket be customized?

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

Q:What is the minimum order quantity?

The minimum order quantity is 2 units.

Q:What are the lead times for production?

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