What is the minimum order quantity (MOQ)?

The Minimum Order Quantity is 2 units.

What are the payment terms and lead times?

Payment terms include LC, T/T, D/P, PayPal, Western Union, and small-amount payment. Lead time is within 15 workdays off-season and one month during peak season.

What certifications does the product have?

The product holds CE certification.

SS304 Winding, Graphite Filler Spiral Wound Gasket for Enhanced Reliability in High Temperatures

Name: SS304 Winding, Graphite Filler Spiral Wound Gasket for Enhanced Reliability in High Temperatures
Brand: Ningbo Dongheng Sealing Co., Ltd.
SKU: 2079735842

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

Inner Ring

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

Outer Ring

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

Winding

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

Filler

ABS, Mica, PTFE, Graphite

Transport Package

Wooden Carton

Specification

DN15 ~ DN10000

Trademark

XINSEN/DONHONSIL

Origin

China

HS Code

8484100000

Production Capacity

50000000PCS/Year

Key features

High-Temperature Resilience: Robust inner ring prevents implosion and shields sealing elements from harsh temperatures and mediums.

Blowout Prevention: External guide ring offers superior radial strength, averting gasket blowouts and serving as a compression limiter.

Flange Protection: Fills voids between flanges to ward off erosion and reduce failure risks in raised and flat-faced applications.

Standard Compliance: Inner rings align with German DIN 2699 and ASME B16.20 standards for rigorous industry specifications.

Customizable Materials: Outer rings can be customized with alloy materials like 304, 316, Monel, and Inconel for extreme conditions.

Wide Size Range: Available in sizes from 16mm to 3000mm with thicknesses ranging from 3.2mm to 7.5mm.

Multiple Filler Options: Offers filler choices including Graphite, PTFE, Mica, ABS, and Non-asbestos for diverse chemical environments.

OEM/ODM Support: Manufacturer provides full customization, minor customization, and flexible options from samples or designs.

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: ≤18h

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 supports various materials including 304, 316, 321, 317, Monel, 32750, and Inconel for rings and windings. Fillers include ABS, Mica, PTFE, and Graphite.

Q:What standards do the inner rings comply with?

Inner rings are crafted to align with the German DIN 2699 standard and the ASME B16.20 standards, ensuring compliance for PTFE-filled and graphite-filled gaskets.

Q:What is the function of the external guide ring?

The external guide ring provides superior radial strength to prevent gasket blowouts and acts as a compression limiter. It is often made of corrosion-resistant carbon steel.

Q:What are the size and thickness specifications?

Sizes range from 16mm to 3000mm. Thickness options include 3.2mm, 4.5mm, 4.8mm, 5.5mm, and 7.5mm, depending on the style and construction.

Q:Does the manufacturer offer customization services?

Yes, we offer OEM and ODM services including full customization, minor customization, and flexible customization from samples or designs.