What is the lead time for production?

The average lead time is within 15 workdays during the off-season and one month during the peak season.

Which standards does this gasket comply with?

The inner ring complies with DIN 2699 (German) standards, and the product adheres to ASME B16.20 specifications.

What certifications does the product hold?

The product holds CE certification, ensuring it meets European safety and quality requirements.

PTFE Inner Ring Uns S32750 Hoope 316 Filler Ceramic

Name: PTFE Inner Ring Uns S32750 Hoope 316 Filler Ceramic
Brand: Ningbo Dongheng Sealing Co., Ltd.
SKU: 2065493792

Zhejiang, ChinaNingbo Dongheng Sealing Co., Ltd.

US$0.10-0.20

1 Piece

Sample price:US$10.00/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

Inner Ring

304,316,Monel,Alloy20, Uns S32750

Hoope

304,316,321,317,Monel, 32750, Inconel

Filler

Graphite, Mica, Ceramic

Outer Ring

304, 316, 321, Monel, Inconel

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 pipes, safeguards against harsh temperatures, and minimizes failure risk.

Robust Outer Ring Protection: Provides radial strength to counter blowouts, acts as compression stop, and prevents corrosion.

Wide Material Customization: Inner/Outer rings customizable in 304, 316, Monel, Alloy20, S32750, Inconel, etc.

Versatile Filler Options: Available with Graphite, Mica, Ceramic, PTFE, or Non-asbestos fillers for diverse applications.

Standard Compliance: Complies with DIN 2699 (German) and ASME B16.20 specifications for spiral wound gaskets.

Flexible Customization Services: Supports OEM, ODM, full customization, minor customization, and flexible design options.

Suitable for Various Flanges: Optimal profile for raised face, flat face, tongue and groove, and male/female flanges.

CE Certified Quality: Product holds CE certification, ensuring adherence to strict 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.

Product Q&A

Q:What is the function of the inner ring in this spiral wound gasket?

The inner ring prevents the gasket from collapsing into the pipe during setup, safeguards the sealing element against harsh temperatures and substances, and fills the gap between flanges to prevent erosion.

Q:What materials are available for the inner and outer rings?

Inner rings can be made from 304, 316, Monel, Alloy20, and UNS S32750. Outer rings are available in 304, 316, 321, Monel, Inconel, and other alloys.

Q:What filler materials are offered for this gasket?

The gasket is available with Graphite, Mica, Ceramic, PTFE, Asbestos, and Non-asbestos fillers depending on application requirements.

Q:Does the manufacturer support OEM and ODM services?

Yes, the company provides OEM, ODM, full customization, minor customization, and flexible customization services based on samples or designs.

Q:What are the payment terms and minimum order quantity?

The minimum order quantity is 2. Payment terms include LC, T/T, D/P, PayPal, Western Union, and small-amount payments.