Are there specific requirements for flanges used with these gaskets?

Yes, high-quality flanges with good surface finish and preload capability are required due to the low resilience of the gasket.

Jacketed

Name: High Quality Metal Jacketed Gaskets/ Metal Jacketed Gasket/Graphite Gasket/Jacketed
Brand: Wenzhou Zhenghai Sealing Co., Ltd
SKU: 2090050205

Zhejiang, ChinaWenzhou Zhenghai Sealing Co., Ltd

US$0.10-10.00

1 Piece

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Style

O Ring

Function

Fixed Sealing, Hole Sealing

Model NO.

304/304+FG/CS

Application

Equipment Seal, Flange Seal, Pump Seal

Shape (For Gasket)

Flat Gasket

Material

Metal

Standard

Certification

ISO API

Term

Fob Ningbo EXW CIF

Pressure

Standard

Temperature

Standard

Transport Package

Box and Wooden Case

Specification

1/2"-60"

Trademark

zhmf

Origin

Wenzhou, Zhejaing

HS Code

848410

Production Capacity

100000PCS/Week

Key features

Customizable Shapes: Available in square, oval, and other custom shapes for heat exchangers.

High Pressure Resistance: Maximum operating pressure ranges from 6.0 to 10.0 MPa.

High Temperature Capability: Withstands temperatures up to 1000 degrees Celsius.

Diverse Filler Materials: Options include graphite, asbestos, ceramics, PTFE, and non-asbestos fiber.

Versatile Shell Materials: Shells made from soft iron, low-carbon steel, stainless steel, copper, titanium, and nickel.

Two Distinct Types: Offered as ZH2071 Flat and ZH2072 Corrugated Metal Jacketed Gaskets.

Wide Application Scope: Ideal for heat exchangers, pressure vessels, and valve flanges.

Company profile

Wenzhou Zhenghai Sealing Co., Ltd

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2023-10-06Nearest Port: ningboAverage Response Time: ≤0.05h

AI-Powered supplier vetting

SummaryWenzhou Zhenghai Sealing Co., Ltd is identified as a China-based manufacturer/factory in Zhejiang, producing metallic ring gaskets, flange gaskets, spiral-wound gaskets, and related sealing products. The supplier reports CNC and inspection equipment, 10 production lines, and 6–10 quality-control staff. It states that products can be made to customer drawings and dimensions, with a maximum product size of 2,000 mm, and lists multiple management-system certifications, including ISO 9001 and API-related certifications. Export activity reportedly began in 2023, while export sales represent 1%–10% of total sales. Evidence is insufficient to assess after-sales capability, financial credibility, innovation capability, or customer cases.

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory, while another record describes the company nature as a trade company. The formal supplier-type field and the company’s stated manufacturing address support manufacturer status, although the conflicting classification should be clarified.

CertificationsThe supplier states that it passed API 6A, API Q1, and ISO 9001:2008 certifications, and separately lists ISO 9000, ISO 9001, ISO 14001, ISO 14000, and ISO 50001 management-system certifications. These declarations provide explicit evidence of certification holding, although certificate validity and scope are not supplied.

Production capacityProduction capability is supported by 10 production lines, 6–10 quality-control staff, CNC and testing equipment, a stated maximum product size of 2,000 mm, and a broad range of gasket products and materials. The supplier also identifies specialized ring-joint and flange-gasket applications, indicating established product manufacturing scope.

Customization capabilityThe supplier explicitly states that it can manufacture according to customer-specific dimensions or drawings, with products up to 2,000 mm, and can supply products in approximately 30 material types. This directly supports customization in dimensions, drawings, and material selection.

Product Q&A

Q:What are the available shapes for metal jacketed gaskets?

We can produce square, oval, and other custom shapes, often requiring specific shape rods for heat exchanger applications.

Q:What is the maximum operating pressure and temperature?

Depending on the shell and filler materials, the maximum operating pressure is 6.0 to 10.0 MPa, and the temperature can reach up to 1000 degrees Celsius.

Q:What materials are used for the shell and filler?

The shell is made of soft metallic stripes (0.2-0.6 mm thick), while fillers include graphite, asbestos, ceramics, PTFE, and non-asbestos fibers.

Q:What are the two types of metal jacketed gaskets offered?

The two types are ZH2071 Metal Jacketed Gasket (Flat) and ZH2072 Corrugated Metal Jacketed Gasket.

Q:What are the common applications for these gaskets?

They are typically used in heat exchangers, pressure vessels, and valve flanges.