What is the primary application of this product?

It is primarily used as an oil seal for valves, specifically designed for high-pressure environments.

IX Type Ring Joint Gaskets

Name: IX Type Ring Joint Gaskets
Brand: Wenzhou Zhenghai Sealing Co., Ltd
SKU: 2092273395

Zhejiang, ChinaWenzhou Zhenghai Sealing Co., Ltd

US$1.00

10 Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Material

Metal Rubber

Application

Valve

Model NO.

R/RX/BX/IX

Type

Oil Seal

Performance

High Pressure

Shape

O-Ring

Standard

Transport Package

Wooden Cases

Specification

Standard

Trademark

ZEHA

Origin

Wenzhou, China

Production Capacity

10000pieces/Week

Key features

NORSOK Standard Compliance: Designed for NORSOK standard CFC compact flange connections, meeting l-005 (ncf5) requirements.

High Pressure Self-Tightening: Utilizes radial deformation and wedge action for self-tightening under internal and external pressure.

Robust Material Strength: Features minimum yield stress of 300MPa and ultimate stress of 360MPa at max design temperature.

Metal Rubber Construction: Made from metal material via forging, heat treatment, and machining for durability.

Compatible Material Selection: Materials chosen to be compatible with flange material, such as duplex seal rings for duplex flanges.

Company profile

Wenzhou Zhenghai Sealing Co., Ltd

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2023-10-06Nearest Port: ningboAverage Response Time: ≤1.70h

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 standards does this gasket comply with?

The gasket is designed for use with NORSOK standard CFC (compact flange connection) and meets the standard number NORSOK standard l-005 (ncf5).

Q:How does the sealing mechanism work?

It is an elastic sealing type that relies on radial deformation caused by the wedge action of the sealing groove. It provides self-tightening when bearing internal and external pressure.

Q:What are the material strength requirements?

The typical minimum yield stress and ultimate stress of the seal ring material at the maximum design temperature shall be 300MPa and 360MPa, respectively.

Q:Can lower strength materials be used?

Lower strength materials may be used, but they are not recommended.

Q:How should the seal ring material be selected?

The user is responsible for selecting a seal ring material suitable for the service medium and design temperature conditions. It is commonly chosen to be compatible with the flange material.