Is customization available for this product?

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

What is the lead time for production?

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

Advanced Spiral Wound Gasket for 317 and Monel Sealing Needs

Name: Advanced Spiral Wound Gasket for 317 and Monel Sealing Needs
Brand: Ningbo Dongheng Sealing Co., Ltd.
SKU: 2057680562

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

Inner Ring Protection: Strategic inner ring prevents implosion, erosion, and ensures precise flange centering.

Blowout Prevention: External guide ring adds radial strength to prevent gasket blowout and acts as a compression stop.

Wide Material Range: Available in 304, 316, Monel, Inconel, and various fillers like Graphite and PTFE.

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

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

Versatile Application: Suitable for raised, flat-faced flanges, and heat exchangers with various alloys.

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 gasket?

The inner ring enhances performance by ensuring precise centering on the flange face, preventing implosion during installation, and protecting the sealing element from extreme temperatures and harsh mediums.

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 typically carbon steel (painted or zinc plated) but can also be made from specific alloys like 304, 316, 321, Monel, and Inconel for high-temperature applications.

Q:Which standards does this spiral wound gasket comply with?

The gasket adheres to the DIN 2699 German standard, where inner rings are mandatory. It also follows ASME B16.20 standards, which require inner rings for PTFE fillers and recommend them for graphite fillers.

Q:What filler materials are offered for this gasket?

Available filler materials include Asbestos, Graphite, PTFE, Mica, Ceramic, and Non-asbestos options.

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

The Minimum Order Quantity (MOQ) is 2 units. Payment terms include LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.