What is the Minimum Order Quantity (MOQ)?

The Minimum Order Quantity is 2 units.

What are the payment terms?

Payment terms include LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.

What is the lead time for production?

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

Graphite Metal Spiral Gasket for High-Pressure Sealing Solutions

Name: Graphite Metal Spiral Gasket for High-Pressure Sealing Solutions
Brand: Ningbo Dongheng Sealing Co., Ltd.
SKU: 2079735962

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 Structural Stability: Integrated inner ring prevents collapse into pipes and centers the gasket precisely on the flange face.

Blowout Prevention Design: External ring provides radial strength and acts as a compression stop to thwart blowout risks.

Corrosion Resistant Materials: Outer rings crafted from carbon steel, zinc-plated or specialized alloys for severe media and high temperatures.

Versatile Flange Compatibility: Ideal for raised face, flat face, tongue and groove, and male and female flange applications.

Comprehensive Customization: Supports full customization, minor customization, and flexible options from samples or designs.

Wide Size Range: Available in sizes from 16mm to 3000mm with various thickness options including 3.2mm, 4.5mm, and 5.5mm.

Multiple Filler Options: Offers Graphite, PTFE, Non-asbestos, and Asbestos fillers to suit different chemical and temperature requirements.

Strict Standard Compliance: Adheres to DIN 2699 and ASME B16.20 standards for inner ring requirements and performance.

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 is the purpose of the inner ring in the spiral wound gasket?

The inner ring enhances efficacy, precisely centers the gasket on the flange face, safeguards against collapse into the pipe, protects from extreme temperatures, and fills voids to prevent flange erosion.

Q:What materials are used for the outer ring?

The outer ring is often constructed from corrosion-resistant carbon steel, either painted or zinc-plated, or fashioned from specialized alloys for higher temperature resistance and severe media.

Q:What customization options are available?

We offer Full Customization, Minor Customization, Flexible customization, Customization from Samples, and Customization from Designs.

Q:What are the available size ranges and thicknesses?

Sizes range from 16mm to 3000mm. Available thicknesses include 3.2mm, 4.5mm, 4.8mm, 5.5mm, and 7.5mm.

Q:What standards does the gasket comply with?

The inner ring adheres to the DIN 2699 (German) standard, and inner rings are essential for gaskets with PTFE fillers and recommended for graphite fillers as per ASME B16.20 standards.