Pneumatic Industry Seal Ring Premium Rubber O-Ring Seals: Precision-Engineered for High-Pressure Hydraulic Applications

Product Details
Customization: Available
Material: Customized
Application: Multipurpose Use
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  • Pneumatic Industry Seal Ring Premium Rubber O-Ring Seals: Precision-Engineered for High-Pressure Hydraulic Applications
  • Pneumatic Industry Seal Ring Premium Rubber O-Ring Seals: Precision-Engineered for High-Pressure Hydraulic Applications
  • Pneumatic Industry Seal Ring Premium Rubber O-Ring Seals: Precision-Engineered for High-Pressure Hydraulic Applications
  • Pneumatic Industry Seal Ring Premium Rubber O-Ring Seals: Precision-Engineered for High-Pressure Hydraulic Applications
  • Pneumatic Industry Seal Ring Premium Rubber O-Ring Seals: Precision-Engineered for High-Pressure Hydraulic Applications
  • Pneumatic Industry Seal Ring Premium Rubber O-Ring Seals: Precision-Engineered for High-Pressure Hydraulic Applications
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  • Overview
  • Product Description
  • Specification
  • Company Profile
  • Certifications
  • Packaging & Shipping
  • After Sales Service
  • FAQ
Overview

Basic Info.

Type
Stationary Seal
Performance
High Pressure
Shape
Standard and Customized
Standard
Standard
Color
Customized Color
OEM/ODM
Yes
Size
Customized Size
Operational Temperature Range
-20~+220ºC
Transport Package
Standard Packing
Specification
Customized
Trademark
DZD
Origin
China

Product Description

Pneumatic Industry Pneumatic Industry Seal Ring Premium Rubber O-Ring Seals: Precision-Engineered 
Pneumatic Industry Sealing Solutions with Rubber Seals
In the pneumatic industry, rubber seals and rubber O-ring seals are indispensable for airtight system integrity, leak prevention, and peak performance. Crafted from materials like NBR or silicone, these seals offer exceptional resistance to pressure, abrasion, and pneumatic fluids. Designed for compressors, valves, cylinders, and actuators, they ensure reliable operation across industrial automation, aerospace, and beyond. Precision-engineered rubber O-ring seals enhance durability, minimize energy loss, and reduce maintenance costs, making them vital for efficient pneumatic systems. Trust rubber seals to deliver consistent, long-lasting sealing in even the most demanding pneumatic environments.
Product Description
PNEUMATIC INDUSTRY Sealing Rings 
 We manufacture and cusomized nice seal rings for pneumatic actuators on automated production lines or various industrial and civilian pneumatic devices, and various pneumatic equipment such as cylinders, valves, and pneumatic tools,
We are dedicated to providing professional sealing ring products for the pneumatic industry. With our exquisite craftsmanship and strict quality control, we have won the trust of numerous customers and helped pneumatic equipment perform at its best under different working conditions
We choose strictly the raw materials for pneumatic devices seal rings, mostly is Nitrile Rubber (NBR) with excellent oil resistance and wear resistance;Fluoroelastomer (FKM)with outstanding resistance to high temperature and chemical corrosion;Polyurethane (PU) with high elasticity, high strength, and excellent tear resistance;Silicone Rubber with good flexibility and sealing performance from extremely low temperatures (such as -60°C or even lower) to relatively high temperatures (around 200°C).
We make pneumatic devices Sealing rings design and standard complicance with ISO 3601, ISO 5597, GB/T 3452.1, GB/T 14832, and others.
We have established a comprehensive quality management system, strictly controlling every link from raw material procurement to finished product delivery. All seals have to go through multiple quality inspection procedures, including appearance inspection, dimensional measurement, and sealing performance testing, to ensure that only products that meet high-quality standards can enter the market and safeguard your pneumatic devices and parts.
Choose our pneumatic industry sealing rings, choose professionalism, reliability, and high quality. We will wholeheartedly provide you with the best sealing solutions for your pneumatic equipment and help your business thrive.
If you are interested in our seals for the  pneumactic industry, please feel free to contact us.
Pneumatic Industry Seal Ring Premium Rubber O-Ring Seals: Precision-Engineered for High-Pressure Hydraulic Applications
Pneumatic Industry Seal Ring Premium Rubber O-Ring Seals: Precision-Engineered for High-Pressure Hydraulic Applications
Pneumatic Industry Seal Ring Premium Rubber O-Ring Seals: Precision-Engineered for High-Pressure Hydraulic Applications
Pneumatic Industry Seal Ring Premium Rubber O-Ring Seals: Precision-Engineered for High-Pressure Hydraulic Applications
Pneumatic Industry Seal Ring Premium Rubber O-Ring Seals: Precision-Engineered for High-Pressure Hydraulic Applications
Pneumatic Industry Seal Ring Premium Rubber O-Ring Seals: Precision-Engineered for High-Pressure Hydraulic Applications
Material
Silicone Rubber (VMQ)
Ethylene Propylene Diene Monomer (EPDM)
Polyurethane Rubber (PU)
Color
Red, Black, Blue, etc.
Customized
Size
Standard&Customized
Density
Ranges from 0.96-1.25 g/cm³ (lower density than many rubbers; pure silicone: ~0.96-1.05 g/cm³).
Generally 0.86-0.95 g/cm³ (one of the lowest densities among common rubbers).
Hardness-dependent density: 1.1-1.25 g/cm³ for common grades.
Hardness
Ranges from 20 - 80 Shore A, with common medical/food grades at 40 - 60 Shore A.
Generally 40 - 90 Shore A, with standard industrial applications at 50 - 80 Shore A.
Hardness spans 60 - 95 Shore A, often used at 70 - 90 Shore A for high - wear resistance.
Temperature
-60°C to +200°C
(-76°F to +392°F)
-50°C to +150°C
(-58°F to +302°F)
-30°C to +80°C
(-22°F to +176°F)
Tolerance
Tolerance Class for Cross-Section Diameter (CSD)AS568 Class:
- Small sizes: ±0.05-0.13 mm
- Medium sizes: ±0.13-0.25 mm
- Large sizes: ±0.25-0.41 mm

Tolerance Class for Inner Diameter (ID)
- Small sizes: ±0.13-0.38 mm
- Medium sizes: ±0.38-0.76 mm
- Large sizes: ±0.76-1.52 mm
Tolerance Class for Cross-Section Diameter (CSD)AS568 Class:
- Small sizes: ±0.05-0.13 mm
- Medium sizes: ±0.13-0.25 mm
- Large sizes: ±0.25-0.41 mm

Tolerance Class for Inner Diameter (ID)
- Small sizes: ±0.13-0.38 mm
- Medium sizes: ±0.38-0.76 mm
- Large sizes: ±0.76-1.52 mm
Tolerance Class for Cross-Section Diameter (CSD)AS568 Class:
- Small sizes: ±0.05-0.13 mm
- Medium sizes: ±0.13-0.25 mm
- Large sizes: ±0.25-0.41 mm

Tolerance Class for Inner Diameter (ID)
- Small sizes: ±0.13-0.38 mm
- Medium sizes: ±0.38-0.76 mm
- Large sizes: ±0.76-1.52 mm
Advantages
1.Extreme temperature tolerance (-60°C to +200°C, short-term up to +260°C).
2.Biocompatible and non-toxic, suitable for medical and food applications.
3.High flexibility at low temperatures.
Good electrical insulation properties.
1.Excellent resistance to ozone, UV radiation, and weathering.
2.Superior water and steam resistance.
3.Low density and good electrical insulation.
4.Cost-effective for outdoor and marine applications.
1. Extremely high abrasion and tear resistance.
2.High load-bearing capacity and mechanical strength.
3.Good resistance to oils and greases (moderate compared to NBR).
4.Ideal for dynamic seals in high-wear environments.
Application
Medical devices (e.g., surgical instruments, tubing);
Food processing equipment;
Pharmaceutical machinery;
High/low-temperature seals (e.g., oven doors, refrigeration systems)
Electrical insulation.
Automotive weatherstripping;
Window seals;
Water supply systems;
Steam pipes;
Electrical cables;
Outdoor applications requiring ozone/UV resistance.
Hydraulic cylinders;
Pneumatic systems;
Conveyor belts;
Mining equipment;
High-wear applications like piston seals and rod seals.
Storage& Maintenance
1. Regular Inspection: Periodically check the O-ring for signs of wear, such as abrasion on the surface, and aging, which may present as cracking, hardening, or discoloration. 
2. Timely Replacement: Replace O-rings immediately if they are damaged, deformed, or show signs of aging. A defective O-ring can no longer ensure proper sealing performance.
3. Exposure Avoidance: Prevent O-rings from being exposed to harsh environments for extended periods. 
Specification
HEAT RESISTANT LIST OF RUBBER MATERIAL
With special formulations, rubber materials can achieve enhanced temperature resistance to meet specific industrial requirements
RUBBER MATERIAL
TEMPERATURE(℃)
SPECIAL FORMULA (℃)
NBR
-40~100
-50~150
HNBR
-20~150
-40~175
EPDM
-40~150
-50~200
SIL
-50~220
-100~250
FKM
-20~200
-40~250
FLS
-50~175
-60~200
SBR
-30~100
-50~110
CR
-40~100
-50~150
IIR
-50~100
-60~130
CSM
-40~120

ACM
-15~150
-25~175
NR
-20~100

PU
-30~75
-50~100
Company Profile
Pneumatic Industry Seal Ring Premium Rubber O-Ring Seals: Precision-Engineered for High-Pressure Hydraulic Applications
Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd.
Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd. is a leading Chinese manufacturer of O-ring seal rubber seals prodcuts with over 16years of expertise. Certified with ISO 9001, CE,  we export to 50+ countries, offering reliable products and services backed by R&D innovation and strict quality
control.
Pneumatic Industry Seal Ring Premium Rubber O-Ring Seals: Precision-Engineered for High-Pressure Hydraulic Applications
Shanghai Dongzhiding Rubber and Plastic Technology Co., Ltd.
 is an innovative enterprise, the main creative personnel have been engaged in the rubber sealing industry for more than ten years. Specializing in the design, production,sales and service of seals,we are committed to providing sealing components that meet the requirements of power and transmission parts and leak-proof sealing parts of various industrial customer products through innovative research and development and customized solutions, and continuously improve customer products. At the same time, in order to meet the requirements of customers for continuously improving performance, DZD has carried out continuous and long-term R&D investment in the fields of new materials, sealing components and sealing systems.
DZD main products are: sealing rings in the hydraulic industry, sealing rings in the pneumatic industry, sealing rings in the valve industry, sealing rings in the automotive industry, sealing rings in the engineering machinery industry, sealing rings in the petroleum industry, etc. We can also tailor-made for customers according to customer requirements. Customized products have provided advanced and reasonable sealing solutions for many customers. The seal products produced by DZD are widely used in furniture, home appliances, hydraulic pressure, pneumatic, engineering machinery, automobiles pump valves, motors and other industries. 
DZD will follow the trend of the times, insist on providing satisfactory products, prices and services, and will be more than happy to provide assistance at any stage of your plan to grow together as an industry leader.
Pneumatic Industry Seal Ring Premium Rubber O-Ring Seals: Precision-Engineered for High-Pressure Hydraulic Applications
Pneumatic Industry Seal Ring Premium Rubber O-Ring Seals: Precision-Engineered for High-Pressure Hydraulic Applications
Pneumatic Industry Seal Ring Premium Rubber O-Ring Seals: Precision-Engineered for High-Pressure Hydraulic Applications
Pneumatic Industry Seal Ring Premium Rubber O-Ring Seals: Precision-Engineered for High-Pressure Hydraulic Applications
Pneumatic Industry Seal Ring Premium Rubber O-Ring Seals: Precision-Engineered for High-Pressure Hydraulic Applications
Pneumatic Industry Seal Ring Premium Rubber O-Ring Seals: Precision-Engineered for High-Pressure Hydraulic Applications
Pneumatic Industry Seal Ring Premium Rubber O-Ring Seals: Precision-Engineered for High-Pressure Hydraulic Applications
Certifications
Pneumatic Industry Seal Ring Premium Rubber O-Ring Seals: Precision-Engineered for High-Pressure Hydraulic Applications
Pneumatic Industry Seal Ring Premium Rubber O-Ring Seals: Precision-Engineered for High-Pressure Hydraulic Applications
Packaging & Shipping
Pneumatic Industry Seal Ring Premium Rubber O-Ring Seals: Precision-Engineered for High-Pressure Hydraulic Applications
After Sales Service
Pneumatic Industry Seal Ring Premium Rubber O-Ring Seals: Precision-Engineered for High-Pressure Hydraulic Applications
FAQ
Q1: Do you support OEM or ODM?
A: Yes, we are factory, and we have a professional team can customize color, material and sizes.
 
Q2: Do you supply samples?
A: Yes, for standard materials and sizes (not included freight).
 
Q3:What after-sales service do you have?
A: We can provide technical support for any problems in use.
 
Q4: What is your packaging?
A: The goods usually packing in PE bags inside and carton box outside. Special packing method can be accepted when needed.
 
Q5: What is your payment terms?
A: Payment ≤$5000, 100%T/T in advance, payment >$5000, 50%T/T in advance, balance before shipping. Please feel free to ask if you have any questions. We're happy to provide any information or help.

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