What is the Minimum Order Quantity (MOQ)?

The Minimum Order Quantity is 2 units.

What payment terms are accepted?

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

What certifications does the product have?

The product holds CE certification, ensuring compliance with relevant safety and quality standards.

Strong Double Jacket Gasket with Graphite Filler for Secure Sealing

Name: Strong Double Jacket Gasket with Graphite Filler for Secure Sealing
Brand: Ningbo Dongheng Sealing Co., Ltd.
SKU: 2087161832

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

Valve, Flange, Pump

Model NO.

DOUBLE JACKET

Type

Stationary Seal

Performance

Wear

Shape

O-Ring

Standard

Standard, Nonstandard

Jacket Material

SS316, SS304, Soft Iron, Carbon Steel, Copper

Filler

Graphite, Cnaf, Non-Asbestos, PTFE

RF or FF

Both Ok

Gasket Standard

ASME B16.20, En1514-2 or Others

Thickness

1.6mm ~ 10mm

Size

1mm ~ 2500mm

Transport Package

Wooden Carton

Specification

DN10 ~ DN2000

Trademark

OEM

Origin

China

HS Code

8484100000

Production Capacity

10000000 Per Year

Key features

Double Jacket Design: Two-piece metal jacket encapsulates outer/inner diameters and sealing surfaces for superior protection.

High Pressure Resistance: Capable of withstanding maximum working pressures of 6-10Mpa for reliable sealing performance.

Corrosion & Heat Resistant: Engineered to manage corrosive and high-temperature environments in heat exchangers and boilers.

Wide Material Selection: Jackets available in SS316, SS304, Copper, etc.; Fillers include Graphite, PTFE, and Non-Asbestos.

Customizable Dimensions: Thickness ranges from 1.6mm to 10mm; Sizes available from 1mm to 2500mm for specific needs.

Versatile Applications: Ideal for heat exchangers, gas mains, boilers, pumps, and valve bonnets requiring precise seals.

OEM/ODM Support: Full customization from samples or designs available with dedicated R&D engineers.

Strict Quality Control: CE certified with random visual and function inspections for finished products.

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 materials are used for the jacket and filler?

Jackets are made from soft iron, low carbon steel, stainless steel (SS304/SS316), nickel, copper, aluminum, brass, titanium, and monel. Fillers include expanded graphite, ceramic, PTFE, and non-asbestos materials.

Q:What is the maximum working pressure these gaskets can withstand?

Standard gaskets are capable of withstanding maximum working pressures of 6-10Mpa, making them suitable for high-load applications.

Q:What are the available size and thickness ranges?

Thickness ranges from 1.6mm to 10mm, and sizes are available from 1mm to 2500mm. Standard widths are typically 10-25mm and thicknesses 2-8mm.

Q:Is customization available for this product?

Yes, we offer full customization from samples or designs, including minor and flexible customization options for jacket materials, fillers, and dimensions.

Q:What are the lead times for production?

The peak season lead time is one month, while the off-season lead time is within 15 workdays.