Do you provide quality inspection photos before shipping?

Yes, we can send bulk order photos for approval before packing if requested.

What are the available spring types?

We offer U-shaped springs (Type 400), round wire springs (Type APS), and O-shaped springs (Type 103).

What is the maximum operating temperature?

The seals can function at temperatures up to 250 degrees Celsius.

Flanged Heel Groove PTFE Spring Seals (PTW)

Name: Flanged Heel Groove PTFE Spring Seals (PTW)
Brand: Guangdong DEF Seals Solutions Co., Ltd.
SKU: 707687815

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

Cylinder

Model NO.

PTW

Standard

Color

White, Blue, Brown, Black, Grey

Size

According to Your Needs

Certificate

ISO9001, SGS

Shape (for Gasket)

Ring Gasket

Function

Energize Sealing

Transport Package

Carton

Specification

SGS

Trademark

DEF

Origin

China

HS Code

8484800

Production Capacity

10000PCS/Month

Key features

Customizable Colors: Available in White, Blue, Brown, Black, and Grey to meet specific requirements.

Tailored Sizing: Both imperial and metric sizes are available according to customer needs.

Wide Temperature Range: Functions effectively from cryogenic temperatures up to 250 degrees Celsius.

Chemical Resistance: Inert to almost all chemicals, ensuring durability in harsh environments.

OEM and ODM Services: Full customization, minor customization, and flexible options from samples or designs.

Fast Production Lead Time: Manufacturing takes 5 to 10 working days for standard orders.

ISO9001 Certified: Manufacturing process certified by ISO9001:2015 and SGS standards.

Sample Availability: Samples can be produced upon advance request for quality verification.

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: ≤2.14h

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.