What is the maximum speed for this seal?

The maximum speed is 0.5 m/s for the KR-type piston seal.

Kr Heavy Duty PU Piston Seal for Construction Machinery Hydraulic Cylinder

Name: Kr Heavy Duty PU Piston Seal for Construction Machinery Hydraulic Cylinder
Brand: Xiamen TYS Seals Technology Co., Ltd.
SKU: 2333487825

Fujian, ChinaXiamen TYS Seals Technology Co., Ltd.

US$1.00-10.00

20 Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

PU+NBR

Application

Cylinder

Model NO.

Type

Piston Seal

Performance

High Pressure

Shape

O-Ring

Standard

Standard, Nonstandard

Color

Blue

Lead Time

3-7days

Function

Piston Seal

Stock

Complete

Transport Package

Carton

Specification

50-360MM

Trademark

TYS

Origin

Xiamen

HS Code

4016931000

Production Capacity

100000/Month

Key features

Designed for Heavy Duty Hydraulic Cylinders Suitable for hydraulic piston applications operating under demanding mechanical loads.

Stable Double Acting Sealing Supports pressure sealing during both extension and retraction of the hydraulic cylinder.

Strong PU Sealing Element Polyurethane provides good wear resistance and mechanical strength for demanding dynamic applications.

Suitable for Construction Machinery Designed for excavators, loaders, cranes and other mobile hydraulic equipment.

Helps Maintain Hydraulic Pressure Proper seal fit helps reduce internal oil bypass and supports stable cylinder force.

Standard & Custom Sizes Available KR seals can be matched according to dimensions, groove data, drawings or original samples.

Multiple Sizes for Equipment Repair Standard and customized KR sizes can be matched according to samples, dimensions or drawings.

Company profile

OEM ServicesManagement CertificationStandardized quality controlYears of Export Experience

Xiamen TYS Seals Technology Co., Ltd.

Fujian, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Flexible customization CertifiedExport Year: 14 Years CertifiedNearest Port: Xiamen PortAverage Response Time: ≤2.45h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trade company associated with manufacturing companies producing composite-material components and metal floating seals. It holds an ISO9001:2015 certificate, maintains documented corrective-action and complaint-handling procedures, and reports in-stock capability, defined inspection instructions, seven quality inspectors, ERP-based operational management, and flexible customization. However, the records show no quality assurance in quality-control processes, no valid manufacturing-capacity contract with an affiliated subcontractor, no overseas warehouse, showroom, agent, or branch, and zero countries listed for overseas services. Innovation evidence is limited: no new products were developed in the past year and no SDK is available, although ODM and OEM services are offered. The supplier has participated in Shanghai PTC 2023 and states OEM service for well-known brands, but no specific customer names or verifiable case details are provided.

CertificationsThe supplier holds an ISO9001:2015 certificate, providing explicit evidence of a certified supplier management system.

After-Sales capabilityDocumented and followed procedures exist for corrective and preventive actions and customer complaints. The supplier also reports in-stock capability and defined service procedures, but lacks overseas warehouses, showrooms, agents, and branches, with zero countries listed for overseas services.

Production capacityAssociated manufacturing operations cover composite products, floating seals, machining, pressing, drying, vulcanization, CNC, and injection facilities. The supplier reports inventory capability, seven quality inspectors, random finished-product inspection, ERP integration, and export sales of 41%–50%, but no valid manufacturing-capacity contract is recorded and quality assurance in quality-control processes is explicitly marked absent.

Customization capabilityThe supplier explicitly provides flexible customization and ODM services, and also reports OEM service for well-known brands. These statements support a positive assessment of customization capability.