What sizes are available for the seals?

Both imperial and metric sizes are available, and further sizes can be customized.

How do you ensure product quality?

We perform random function and visual inspections on finished products with 11 dedicated QA/QC inspectors.

What is the warranty or after-sales support?

We provide after-sales support to investigate and consult on any issues after you receive the package.

Spring Energized PTFE Seal - Flanged Seal-Ptw Ptu Durable Use

Name: Spring Energized PTFE Seal - Flanged Seal-Ptw Ptu Durable Use
Brand: Guangdong DEF Seals Solutions Co., Ltd.
SKU: 647201265

Guangdong, ChinaGuangdong DEF Seals Solutions Co., Ltd.

US$0.10

10-499 Pieces

US$0.20

500+ Pieces

Sample price:US$0.50/piece.Request sample

Product profile

Customization

Available

Material

Carbon/Glass Fiber

Application

Valve

Model NO.

PTA/PTB/PTC/PTD/PTU/PTW/PTU

Type

Shaft Seal

Performance

Temperature

Shape

Square Ring

Standard

Style

Floating Seal

Shape (for Gasket)

Ring Gasket

Function

Shaft Sealing

Sample

Available

Deliver Time

3-5working Days

Export Market

Global

Transport Package

carton

Specification

Industrial AS4716

Trademark

DEF

Origin

China

HS Code

84840000

Production Capacity

300k pcs/year

Key features

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

Chemical Resistance: Inert to almost all chemicals with PTFE jackets.

Sanitary Application: Suitable for use in sanitary environments.

Multiple Spring Types: Available with U-shaped, round wire, or O-shaped springs.

Customization Options: Offers full, minor, and flexible customization from samples or designs.

Global Export Market: Serves customers worldwide with established export channels.

ISO 9001 Certified: Manufacturer holds ISO9001:2015 management system certification.

OEM/ODM Service: Provides both OEM and ODM services for custom requirements.

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: ≤1.83h

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.