Are the seals suitable for food and pharmaceutical applications?

Yes, the seals ensure no contamination when in contact with foodstuffs, pharmaceutical, and medicinal fluids.

What certifications do your products hold?

Our products are certified under ISO9001-2008 and SGS standards.

Spring Energized Seals N528 New Material PTFE+Glass for Marine Systems

Name: Spring Energized Seals N528 New Material PTFE+Glass for Marine Systems
Brand: Guangdong DEF Seals Solutions Co., Ltd.
SKU: 916907575

Guangdong, ChinaGuangdong DEF Seals Solutions Co., Ltd.

US$0.50

10-499 Pieces

US$0.20

500+ Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

PTFE

Application

Valve

Model NO.

N528

Type

Spring Energized Seal

Performance

High Pressure

Shape

U Cap

Standard

Color

White, Blue, Brown, Black, Grey

Size

According to Your Needs

Certificate

ISO9001, SGS

Shape (for Gasket)

Ring Gasket

Function

Energize Sealing

Sample

Avaliable

OEM

Export Market

Global

Delivery Time

3-5 Working Days

Transport Package

Carton

Specification

SGS

Trademark

DEF

Origin

China

HS Code

8484800

Production Capacity

3, 000, 0000PCS/Month

Key features

Wide Material Options: Virgin PTFE, PTFE+carbon, PTFE+glass, PTFE+bronze, PEEK, and other special materials available.

Customizable Colors: Available in white, blue, brown, black, grey, coffee, and beige based on requirements.

Flexible Customization: Full customization, minor customization, and customization from samples or designs accepted.

Low Friction & Stick-Slip Free: Ensures precise control with low coefficients of friction and no stick-slip operation.

Chemical & Fluid Resistance: Resistant to most fluids, chemicals, and gases including foodstuffs and pharmaceuticals.

Global Export Capability: Exporting globally with 21 years of experience and support for both imperial and metric sizes.

Company profile

Management CertificationQuality AssuranceHigh Repeat Buyers ChoiceYears of Export Experience

Guangdong DEF Seals Solutions Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 21 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤0.55h

AI-Powered supplier vetting

SummaryDEF Seals Solutions is a sealing and mechanical-components supplier with stated production, sales, import/export, OEM, ODM, and broad customization capabilities. It holds ISO 9001:2015 certification and reports documented finished-product inspection, supplier-service procedures, and corrective/preventive-action processes. The supplier has five production lines, six to ten quality-control staff, twelve years of total R&D engineer experience, testing equipment, and more than 20 years of export experience. However, it reports no overseas warehouse, showroom, agent, or branch, and lists zero countries for overseas services. Financial credibility cannot be assessed because the provided financial fields are recorded as zero and contain no usable supporting context. Customer-specific cases are not identified.

Supplier typeThe supplier describes itself as a sealing maker serving construction machinery and large OEMs, while its stated scope covers mechanical components, seals, hydraulic components, machine tools, automation equipment, rubber and plastic parts, and related products. This supports classification as a manufacturer and supplier of industrial components with import/export capability.

CertificationsThe supplier explicitly reports an ISO 9001:2015 certificate and states that it received ISO 9001 certification to support quality products and services. This is direct evidence of a certified quality-management system.

After-Sales capabilityThe supplier reports no overseas warehouse, showroom, agent, or branch, and lists zero countries where overseas services are offered. It has participated in HANNOVER MESSE 2025 and provides stated quotation, payment, and lead-time terms, but the evidence does not establish a substantive after-sales service network.

R&D capabilityThe supplier reports new products during the past year, ODM service, twelve years of total R&D engineer experience, and testing equipment including temperature, salt-spray, and reciprocating testing machines. It also reports no available SDK, which limits evidence for software or SDK-based development, but does not negate the documented product-development capability.

Production capacityThe supplier reports five production lines, six to ten quality-control staff, documented and uniformly followed finished-product inspection instructions, written supplier-service procedures with records, and a stated annual output above the provided threshold. These data support established production and quality-control capacity.

Customization capabilityBoth records list customization from samples, full customization, customization from designs, minor customization, and flexible customization. The supplier also reports ODM availability, providing explicit evidence of broad customization and design-manufacturing support.

Product Q&A

Q:What materials are available for the spring energized seals?

We offer Virgin PTFE, PTFE+carbon, PTFE+glass, PTFE+bronze, PTFE+polyester, PEEK, and other special materials upon request.

Q:Can the seals be customized in terms of color and size?

Yes, we provide customized colors including white, blue, brown, black, grey, coffee, and beige, along with standard and non-standard sizes.

Q:Do you accept OEM and ODM services?

Yes, we accept OEM and ODM services, offering full customization, minor customization, and customization from samples or designs.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 10 pieces.

Q:What is the delivery time for orders?

The delivery time is 3-5 working days. During peak season, lead time is within 15 working days, and off-season is within 15 working days or one month.