UN 35x45x6 Single Acting Hydraulic Cylinder Seal U-Shaped Piston Ring with 21 MPa Pressure Rating

Price Negotiable

Price: USD 0.30/PCS

MOQ: 100PCS

Delivery Time: 7-10 days

Brand: DZK

Product Description

Product Overview

The UN seal is a U-shaped hydraulic sealing ring designed for hydraulic cylinder pistons and rods. This single-acting seal provides reliable performance in demanding industrial applications.

Key Features

Excellent abrasion resistance for extended service life in high-frequency applications
Superior oil resistance prevents hydraulic fluid leakage and contamination
High pressure resistance up to 21 MPa maintains sealing integrity

Technical Specifications

Parameter	Value
Operating Pressure	≤ 21 MPa
Operating Temperature	-35°C to +80°C
Material	PU92 P5008
Media	Hydraulic Oil

Available Materials

Material	Temperature Range
NBR	-40 to 100 ℃
FKM	-20 to 200 ℃
FFKM	-20 to 320 ℃
HNBR	-40 to 150 ℃
AFLAS	-30 to 175 ℃
VMQ/SILICON	-70 to 220 ℃
FVMQ	-60 to 175 ℃
EPDM	-50 to 150 ℃
CR	-40 to 120 ℃
SBR	-40 to 110 ℃
PU	-40 to 90 ℃
PTFE	-100 to 280 ℃
IIR	-20 to 120 ℃
ACR	-25 to 150 ℃

Product Documentation

Download UN Size Specifications (XLS)

Installation Guide

Preparation

Clean installation surfaces thoroughly to remove dust, oil, rust, and burrs
Verify seal specifications match installation dimensions
Apply appropriate lubricant to seal lips to reduce friction

Installation Steps

Position seal with lips facing the medium side requiring sealing
Use plastic or rubber installation tools for larger seals to prevent damage
Ensure seals enter grooves smoothly without forcing or hammering

Post-Installation Check

Inspect for proper positioning without distortion or damage
Perform manual function test and leakage inspection

Quality Assurance

Manufactured under ISO 9001:2015 certified quality system with materials compliant to REACH and RoHS regulations. All products undergo 100% inspection before shipment.