What are the payment terms?

We accept T/T (bank account, PayPal, Western Union), LC, and other standard international payment methods.

What applications is this seal suitable for?

It is suitable for mining technology applications such as longwall roof supports, tunneling machines, cutting machines, excavators, and drilling machines.

PU/NBR/POM Compact Seal for Mining Technology

Name: PU/NBR/POM Compact Seal for Mining Technology
Brand: Guangdong DEF Seals Solutions Co., Ltd.
SKU: 766543825

Guangdong, ChinaGuangdong DEF Seals Solutions Co., Ltd.

US$0.50

5-99 Pieces

US$0.20

100+ Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Structure

Double-End

Pressure

70 MPa, High Pressure Resistance

Model NO.

Speed

0.3 M/S

Temperature

-20/+100

Performance

High Pressure

Standard

Standard, Nonstandard

Type

Mining Seals

Balance

Balanced

Color

Red,White

Process

Lathe Cut

Certificates

ISO9001, SGS

Business Typle

Manufacturer

Style

Floating Seal

Shape (for Gasket)

Ring Gasket

Function

Shaft Sealing

Application

Hydroseal

Transport Package

Plastic Film Inner& Outter Carton

Specification

SGS, ISO9001

Trademark

DEF

Origin

Guangdong, China

HS Code

8484100000

Production Capacity

100000PCS/Month

Key features

High Pressure Resistance: Withstands dynamic pressure up to 70 MPa and static pressure up to 120 MPa.

Double-Lip Design: Ensures excellent static and dynamic sealing performance with backup rings.

Customizable Options: Offers custom color, process, shape, and material based on customer requirements.

Fast Delivery: Standard production time is 5 to 7 working days for bulk orders.

OEM/ODM Service: Supports full customization, minor customization, and customization from samples.

High Squeeze Out Resistance: Backup rings prevent seals from being squeezed out of the groove under pressure.

Quality Assurance: ISO9001 certified with 11 QA/QC inspectors and traceable raw materials.

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: ≤1.15h

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.

Product Q&A

Q:What is the maximum pressure resistance?

The seal can withstand dynamic pressure up to 70 MPa and static pressure up to 120 MPa.

Q:What materials are used for the seal?

The sealing ring is made of CPU (95A, red color) or NBR/FKM, and the backup ring is made of POM. Special materials are available on request.

Q:Can the product be customized?

Yes, we offer customization for color, process, shape, and material. Options include full customization, minor customization, and customization from samples or designs.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 5 pieces for standard orders, though some sources indicate 10 pieces. Please confirm with the sales team.

Q:What is the delivery time?

Standard production time is 5 to 7 working days. For in-stock items, delivery can be as fast as 2 days. Peak season lead time is within 15 workdays.