Which standards do the seals comply with?

The series conforms to ISO 7425/1, GB/T15242.1, and GB/T15242.3.

What materials are used for the O-rings?

O-rings are made from NBR (65-92 Shore A) or FKM (75-91 Shore A) in various colors.

High-Performance PTFE Hydraulic Cylinder Seals for Piston Applications

Name: High-Performance PTFE Hydraulic Cylinder Seals for Piston Applications
Brand: Guangdong DEF Seals Solutions Co., Ltd.
SKU: 715106905

Guangdong, ChinaGuangdong DEF Seals Solutions Co., Ltd.

US$1.00

10-4,999 Pieces

US$0.20

5,000+ Pieces

Product profile

Customization

Available

Material

PTFE

Application

Cylinder

Model NO.

GSF

Type

Shaft Seal

Performance

High Pressure

Shape

O-Ring

Standard

Standard, Nonstandard

Color

Green, Coffee, Black

Certificate

ISO9001, SGS

Model Replacement

Omk-Mr

Quality

High Quality

Price

Competitive Price

Business Type

Manufacturer

Style

Floating Seal

Shape (for Gasket)

Ring Gasket

Function

Hole Sealing

Transport Package

Carton

Specification

SGS, ISO9001.2008

Trademark

DEF

Origin

China

HS Code

8484100000

Production Capacity

100000PCS/Month

Key features

High Pressure Performance: Withstands pressures up to 60MPa with excellent abrasion and extrusion resistance.

Low Friction Coefficient: Ensures smooth operation with no stick-slip effect in dynamic applications.

Customizable Colors: Available in Green, Coffee, and Black to meet specific visual requirements.

ISO Standard Compliance: Conforms to ISO 7425/1, GB/T15242.1, and GB/T15242.3 standards.

High Speed Capability: Supports speeds up to 15m/s for demanding hydraulic applications.

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

Versatile Material Options: Features Bronze-filled PTFE, Carbon-filled PTFE, NBR, and FKM O-rings.

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: ≤0.42h

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.