Is the material resistant to chemicals?

Yes, the PTFE material is inert to almost all chemicals.

What is the minimum order quantity?

The minimum order quantity is 10 pieces.

Can I get a free sample?

Yes, samples are available for free if requested in advance.

Durable PTFE Lip Seals for Valve Applications and Performance

Name: Durable PTFE Lip Seals for Valve Applications and Performance
Brand: Guangdong DEF Seals Solutions Co., Ltd.
SKU: 792992015

Guangdong, ChinaGuangdong DEF Seals Solutions Co., Ltd.

US$0.50

10-499 Pieces

US$0.30

500+ Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

PTFE+Bronze

Application

Valve

Model NO.

PTU

Type

Shaft Seal

Performance

Temperature

Shape

O-Ring

Standard

Standard, Nonstandard

Function

Shaft Sealing

Size

Metric Size and Imperial Size

Color

White, Yellow, Black, Grey, Blue

Business Type

Manufacturer

Sample

Free

Deliver Time

3-5 Working Days

Transport Package

Plastic Film Inner& Outer Carton

Trademark

DEF

Origin

Guangzhou, China

HS Code

39269010

Production Capacity

3000k PCS/Year

Key features

Wide Temperature Range: Operates effectively from cryogenic temperatures up to 250 C.

Chemical Inertness: Resistant to almost all chemicals for reliable sealing performance.

Customizable Colors: Available in White, Yellow, Black, Grey, and Blue options.

Dual Size Standards: Supports both Metric and Imperial size specifications.

OEM and ODM Services: Offers full customization, design-based, and sample-based customization.

Fast Delivery: Standard production time is 3-5 working days.

Free Samples: Sample availability is free upon request.

ISO9001 Certified: Manufacturing process certified under ISO9001:2015 standards.

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: ≤1.49h

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.