What are the tolerance standards for the gaskets?

Thickness tolerance is +0.8mm/-0.0mm; diameter tolerances vary by NPS size, typically +1.5mm/-0.0mm.

What is the minimum order quantity?

The minimum order quantity is 2 units.

What are the lead times for production?

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

Versatile Double Jacket Gasket with Copper and High Performance Filler

Name: Versatile Double Jacket Gasket with Copper and High Performance Filler
Brand: Ningbo Dongheng Sealing Co., Ltd.
SKU: 2087082732

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

Dual Jacket Design: Two-piece metal jacket fully encloses outer/inner diameters and sealing surfaces for superior sealing.

Customizable Materials: Jacket options include SS316, SS304, Copper, Carbon Steel; Fillers include Graphite, PTFE, Non-Asbestos.

Configurable Internal Ribs: Internal ribs or pass partition bars can be integrated or welded to enhance versatility in heat exchangers.

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

High Performance Sealing: Offers superior resistance to pressure, extreme temperatures, and corrosion with robust metallic shell.

Precision Tolerances: Thickness tolerance set at +0.8mm/-0.0mm; Diameter tolerances regulated for NPS 1/2 to 24.

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

Versatile Applications: Ideal for heat exchangers, gas mains, boilers, pumps, valves, and internal-combustion engines.

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.