What payment methods are accepted?

We accept T/T (bank account, PayPal), Western Union, LC, and CIF/EXW/CFR terms.

What certifications do the products have?

The products are ISO9001-2015 and SGS certified.

Durable PTFE Piston Seals with Double O-Rings for Cylinders

Name: Durable PTFE Piston Seals with Double O-Rings for Cylinders
Brand: Guangdong DEF Seals Solutions Co., Ltd.
SKU: 899869105

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+Bronze

Application

Holding Cylinders/Piston Accumulators

Model NO.

Type

Shaft Seal

Performance

High Pressure

Shape

O-Ring

Standard

Standard, Nonstandard

Style

O Ring

Shape (for Gasket)

Ring Gasket

Function

Shaft Sealing

Sample

Free

Color

Coffee, Green

Deliver Time

3-5 Working Days

Sizes

0.07'' to 60'sizes

Price

Competitve Price

Transport Package

Plastic Film Inner& Outer Carton

Specification

ISO 7425/1

Trademark

DEF

Origin

Gunagzhou, China

HS Code

39269010

Production Capacity

300K/Year

Key features

High Pressure Resistance: Withstands up to 60MPa pressure with superior sealing force.

Low Friction Design: Utilizes low-friction PTFE ring for easy assembly and smooth sliding.

Customization Available: Offers full customization, minor customization, and flexible options.

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

Stable Structure: Features guide O-rings to prevent extrusion and ensure stability.

Fast Delivery: Standard delivery within 5-7 working days; 2 days for in-stock items.

Certified Quality: ISO9001-2015 and SGS certified with rigorous QA/QC inspection.

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.