What is the maximum pressure the seal can withstand?

The seal can withstand a maximum pressure of 60MPa.

What materials are used for these seals?

Materials include PTFE+bronze/carbon, PU, and others depending on the application.

What are the main applications for these seals?

They are suitable for hydraulic cylinders, pneumatics, presses, injection molding machines, and excavators.

Reliable ISO Manufacture Piston Step Seals for Heavy Machinery

Name: Reliable ISO Manufacture Piston Step Seals for Heavy Machinery
Brand: Guangdong DEF Seals Solutions Co., Ltd.
SKU: 2253618405

Guangdong, ChinaGuangdong DEF Seals Solutions Co., Ltd.

US$0.50

10-4,999 Pieces

US$0.20

5,000+ Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Material

PTFE

Application

Hydroseal

Model NO.

GDKK

Type

Piston Seal

Performance

Temp.Range -45/+200

Shape

Step Shape

Standard

Standard, Nonstandard

Style

Floating Seal

Shape (for Gasket)

Ring Gasket

Function

Hole Sealing

Certificate

ISO9001:2008, SGS

Business Type

Manufacturer

Sample

Aviliable

Transport Package

Plastic Film Inner&Outter Carton

Specification

ISO, SGS, SUV

Trademark

DEF

Origin

Guangdong, China (Mainland)

HS Code

848410000

Production Capacity

5000000PCS/Month

Key features

High Pressure Capability: Designed to withstand pressures up to 60MPa for heavy machinery.

Custom Manufacturing: Available in standard and non-standard shapes, including custom drawings.

Premium Material Composition: Constructed from PTFE filled with bronze or carbon for durability.

Fast Delivery Time: Standard delivery within 5 to 7 working days for most orders.

Certified Quality Assurance: Manufactured under ISO9001:2015 and SGS certified standards.

Low Friction Performance: Features easy assembly and a low friction coefficient for efficiency.

Versatile Fluid Compatibility: Compatible with mineral oil, water, air, and barely flammable fluids.

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: ≤0.43h

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.