What are the main applications for this gasket?

They are designed for heat exchangers, gas mains, boilers, pumps, and valve bonnets.

What is the minimum order quantity?

The minimum order quantity is 2 pieces.

What payment terms do you accept?

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

Double Jacket Gasket with Soft Iron and Mica for Enhanced Insulation

Name: Double Jacket Gasket with Soft Iron and Mica for Enhanced Insulation
Brand: Ningbo Dongheng Sealing Co., Ltd.
SKU: 2147590475

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 Jacketed Design: Complete enclosure with robust two-piece metal jacket covering OD, ID, and sealing surfaces.

Customizable Materials: Jacket options include SS316, SS304, Soft Iron, Carbon Steel, Copper; Fillers include Graphite, PTFE.

Wide Size Range: Available sizes from 1mm to 2500mm and thickness from 1.6mm to 10mm.

High Pressure Resistance: Performs exceptionally under maximum working pressure of 6-10Mpa.

Precision Tolerance Control: Thickness tolerance of +0.8mm/-0.0mm ensures unwavering accuracy for critical seals.

OEM/ODM Services: Full customization, minor customization, and flexible customization from samples or designs available.

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

Multiple Standards: Complies with ASME B16.20, EN1514-2, and other non-standard requirements.

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 available for the jacket and filler?

Jacket materials include SS316, SS304, Soft Iron, Carbon Steel, Copper, Stainless Steel, Nickel, and more. Fillers include Graphite, Cnaf, Non-Asbestos, PTFE, and Expanded Graphite.

Q:What is the size range for these gaskets?

Sizes range from 1mm to 2500mm, with thickness options from 1.6mm to 10mm.

Q:Can these gaskets be customized?

Yes, we offer full customization, minor customization, and flexible customization from samples or designs.

Q:What is the maximum working pressure?

These gaskets perform exceptionally under a maximum working pressure of 6-10Mpa.

Q:What are the standard tolerances for thickness and diameter?

Thickness tolerance is +0.8mm/-0.0mm. Diameter tolerance is +1.5mm/-0.0mm for NPS 1/2 through NPS 24.