What payment terms do you accept?

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

Which flange types are compatible?

Our gaskets are suitable for raised face, flat face, tongue and groove, male and female, and heat exchanger flanges.

What certifications do you have?

Our products are CE certified, and we have a traceability system for raw materials.

Donhonsil SS316 Winding Gasket for Optimal Performance and Reliability

Name: Donhonsil SS316 Winding Gasket for Optimal Performance and Reliability
Brand: Ningbo Dongheng Sealing Co., Ltd.
SKU: 2082515392

Zhejiang, ChinaNingbo Dongheng Sealing Co., Ltd.

US$0.10

1 Piece

Sample price:US$1.00/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

Hoop

SS304, SS316, Ss317, Ss347, Inconel, Monel,

Filler

Mica, Fg, PTFE, Cnaf, Ceramic

Inner Ring

SS304, SS316, Ss317, Ss347, Inconel, Monel,

Outer Ring

SS304, SS316, Ss317, Ss347, Inconel, Monel,

Transport Package

Wooden Carton

Specification

DN15 ~ DN10000

Trademark

XINSEN/DONHONSIL

Origin

China

HS Code

8484100000

Production Capacity

50000000PCS/Year

Key features

Robust Dual-Ring Construction: Features solid inner and outer rings for stability, precision, and prevention of gasket implosion.

Wide Material Compatibility: Hoop and rings available in SS304, SS316, Inconel, Monel, and more for diverse environments.

Versatile Filler Options: Fillers include Mica, Graphite, PTFE, Ceramic, and Non-asbestos variants for specific needs.

Comprehensive Size Range: Available in sizes from 16mm to 3000mm with thickness options from 3.2mm to 7.5mm.

Full Customization Support: Offers full, minor, and flexible customization based on samples or designs.

OEM and ODM Services: Manufacturer provides both OEM and ODM services with in-house R&D engineers.

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

Industry Standard Compliance: Adheres to ASME B16.20 and DIN 2699 standards for reliability and safety.

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.