Hydraulic Seals Just in One Place - The Ultimate Solutions
Looking for Hydraulic Seals supplier? This ultimate guide will help you understand everything about wholesaling high-quality O-rings and sealing solutions.
About
Hi, I’m Serena from Hengoseal, a Hydraulic Seals supplier in China. We specialize in providing O-ring seals. With over 10 years of experience, we ensure top-notch sealing solutions that meet your needs.
We provide
- Low MOQ
- Fast delivery(Within 3days)
- Custom O rings
- High quality
- Competitive pricing

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Why Purchase Hydraulic Seals from Us?
Hydraulic seals are essential for ensuring leak-proof, efficient, and reliable operation in various industries. If you’re looking for high-quality hydraulic seals for pneumatic, hydraulic, or other mechanical systems, we have the best solutions for you

Here are a few reasons why you should consider purchasing from us:
- Wide Range of Materials: We manufacture hydraulic seals using NBR, FKM, PU, PTFE, and other high-performance materials to meet different industrial needs, whether you require chemical resistance, high-pressure durability, or extreme temperature tolerance.
- Custom Solutions: Need a specific size, material, or sealing design? We provide custom hydraulic seals tailored to your exact requirements.
- Reliable Supply & Fast Delivery: With our optimized production process, we ensure 3-day fast production, high-quality consistency, and on-time global shipping to meet your business needs.
- Competitive Pricing & Low MOQ: We offer factory-direct pricing with low MOQ, ensuring cost-effective solutions for wholesale buyers.
- Global Export & Trusted Manufacturer: With over 10 years of experience, we have supplied hydraulic seals to businesses worldwide, ensuring top-tier performance for automotive, industrial, and heavy machinery applications.
Want to know how we can do business? Let’s talk!
Types of Hydraulic Seals
Hengoseal specializes in high-quality hydraulic seals for a wide range of applications. Below are some of the most popular hydraulic seal types that our customers rely on for superior sealing performance.
- UN Hydraulic Seals: A universal sealing solution, widely used in various hydraulic applications.
- IDU Hydraulic Seals: Ensures high-pressure leak-free performance, improving the efficiency of hydraulic systems.
- ODU Hydraulic Seals: Designed for piston applications, offering excellent stability and reliability.
- UHS Hydraulic Seals: A high-performance rod seal, designed to maintain hydraulic pressure stability.
- USH Hydraulic Seals: Designed to enhance rod sealing efficiency, providing tight sealing and high performance.
- DHS Hydraulic Seals: Used for rod and piston sealing, providing superior resistance against hydraulic pressure.
- LBH Hydraulic Seals: Provides superior wear resistance, ensuring long-lasting sealing in high-pressure environments.
- J Hydraulic Seals: A high-durability seal designed for dynamic and static hydraulic applications.
- OK Hydraulic Piston Seal: A double-acting piston seal, delivering maximum efficiency in hydraulic cylinders.
- FA Dust Seal: Designed to protect hydraulic systems from dust, dirt, and contaminants, ensuring longer service life.
- UPH Hydraulic Seals: Offers strong resistance to wear, ensuring long-term durability in extreme conditions.
- KDAS Compact Seal: A multi-component piston seal providing exceptional sealing performance in heavy-duty hydraulic applications.
- V Compact Seal: A compact and space-efficient hydraulic seal, ideal for piston sealing applications.
- STD Rotary Shaft Seal: Used for preventing lubricant leakage, providing optimal rotary shaft sealing.
- STD Rotary Glyd Ring: A low-friction rotary seal, ideal for high-speed rotating applications.
- Guide Band: Helps reduce friction and wear, providing guidance for hydraulic pistons and rods.
- Quad-Ring Oil Seal: An alternative to O-rings, reducing friction and improving service life.
Hydraulic Seals Size Chart
Hydraulic Seal Type | Material | Inner Diameter (mm) | Outer Diameter (mm) | Thickness (mm) | Application |
---|---|---|---|---|---|
DHS Hydraulic Seals | PU, NBR | 10 to 300 | 20 to 450 | 5 to 15 | Rod and piston sealing in hydraulic cylinders |
FA Dust Seal | PU, NBR | 15 to 280 | 30 to 500 | 4 to 12 | Prevents dust and contaminants from entering hydraulic systems |
Guide Band | PTFE, Composite | 12 to 250 | 25 to 420 | 3 to 10 | Reduces friction and improves piston/rod guidance |
IDU Hydraulic Seals | PU, NBR, FKM | 20 to 350 | 40 to 550 | 5 to 14 | High-pressure leak prevention |
J Hydraulic Seals | PU, PTFE, NBR | 18 to 320 | 35 to 500 | 6 to 18 | Used in dynamic and static hydraulic applications |
KDAS Compact Seal | PU, NBR, Fabric | 25 to 380 | 45 to 600 | 7 to 20 | Heavy-duty piston sealing |
LBH Hydraulic Seals | NBR, FKM, PTFE | 30 to 400 | 50 to 650 | 6 to 22 | Wear-resistant sealing for hydraulic applications |
STD Rotary Glyd Ring | PTFE, NBR | 15 to 250 | 30 to 480 | 3 to 12 | Low-friction rotary sealing |
STD Rotary Shaft Seal | NBR, FKM, PU | 20 to 350 | 40 to 550 | 5 to 15 | Rotary shaft leakage prevention |
V Compact Seal | PU, PTFE, Fabric | 25 to 320 | 45 to 500 | 5 to 14 | Space-saving piston sealing solution |
Estimated Hydraulic Seals Price
Hydraulic Seal Type | Material | Estimated Price (Per Unit in USD) |
---|---|---|
Rod Seals (DHS, IDU, UHS) | PU, NBR, FKM | $0.50 - $5.00 |
Piston Seals (OK, ODU, KDAS) | PU, NBR, PTFE | $1.00 - $8.00 |
Wiper Seals (FA Dust, USH) | PU, NBR | $0.30 - $3.00 |
Rotary Seals (STD Rotary Glyd, STD Shaft Seal) | PTFE, NBR, FKM | $2.00 - $10.00 |
Guide Rings (Guide Band) | PTFE, Composite | $0.80 - $6.00 |
Compact Seals (V Compact, KDAS) | PU, NBR, Fabric | $3.00 - $12.00 |
High-Pressure Hydraulic Seals (LBH, UPH) | NBR, FKM, PTFE | $5.00 - $15.00 |
Custom Hydraulic Seals | Based on requirements | Contact us for a quote |
Hydraulic Seals
Estimated Manufacturing and Shipping Times
Our streamlined process guarantees quick turnaround times while maintaining superior sealing performance for all applications.
Manufacturing Time
1-5 business days (depending on order volume).
Custom Orders
Delivery time can be 5-10 business days for highly customized products.
Shipping Time
Typically 7-14 days for international orders, depending on your location.
Our promise
We are committed to providing quick and reliable service, ensuring your Hydraulic Seals are delivered in the shortest time possible without compromising on quality.
The Whole Process of Hydraulic Seals Production
We work efficiently to deliver high-quality Hydraulic Seals on time. Here’s a breakdown of the whole production process:

Design and Manufacturing Time
We manufacture hydraulic seals based on customer specifications using high-quality materials such as NBR, FKM, PU, and PTFE. Our precision molding and machining ensure excellent sealing performance and durability.

Quality Control and Testing
Every batch of hydraulic seals undergoes strict quality control testing, ensuring leak-proof performance, chemical resistance, and high-pressure stability. Our products meet industry standards for hydraulic applications.

Packaging and Shipping
Once production is complete, the hydraulic seals are securely packaged to prevent damage during transportation. We offer fast global shipping, ensuring timely delivery.

Customization and Adjustments
For custom orders, we tailor the size, material, and design of hydraulic seals to meet specific industrial needs, ensuring compatibility with various hydraulic and pneumatic systems.
Hydraulic Seals you need to know
What are hydraulic seals and why are they important?
Hydraulic seals are essential components in hydraulic systems, designed to prevent fluid leakage, maintain pressure, and protect against contaminants. They play a crucial role in ensuring the smooth and efficient operation of hydraulic cylinders, pumps, and valves in industrial machinery, automotive applications, and heavy equipment.
What materials are hydraulic seals made from, and which one should I choose?
Hydraulic seals are typically made from: NBR (Nitrile Rubber) – Affordable, good oil resistance, commonly used in general hydraulic applications. FKM (Fluorocarbon Rubber) – High temperature and chemical resistance, ideal for harsh environments. PU (Polyurethane) – Excellent wear resistance, best for dynamic applications like hydraulic cylinders. PTFE (Teflon) – Low friction and high-speed compatibility, used in precision sealing. Your choice depends on working conditions, pressure, and fluid compatibility.
How long do hydraulic seals last, and how can I extend their lifespan?
The lifespan of hydraulic seals varies depending on working conditions, but they generally last 3-5 years under normal use. To extend their durability: Ensure proper installation to prevent early wear. Select the right material based on operating pressure, temperature, and fluid exposure. Regular maintenance – Check for cracks, leaks, and material hardening, replacing worn seals on time. Use compatible lubricants to reduce friction and improve performance.
What are the different types of hydraulic seals?
There are several types of hydraulic seals, each serving a specific function: Rod Seals – Prevent fluid leakage from the hydraulic cylinder. Piston Seals – Maintain pressure balance in hydraulic cylinders. Wiper Seals – Keep dirt, dust, and contaminants out of the hydraulic system. Rotary Seals – Designed for rotating applications to prevent oil leaks. Guide Rings – Reduce friction and enhance hydraulic piston stability. Compact Seals – Multi-component seals offering enhanced durability and sealing efficiency.
How do I choose the right hydraulic seals for my application?
Selecting the best hydraulic seals depends on: Operating Pressure & Temperature – Choose high-pressure seals for heavy-duty applications. Material Compatibility – NBR hydraulic seals are cost-effective, FKM seals resist high temperatures, and PTFE seals work well in extreme conditions. Seal Type & Application – Use rod seals for linear motion, rotary seals for rotating shafts, and wiper seals for dust protection.
Where can I buy high-quality hydraulic seals at wholesale prices?
For wholesale hydraulic seals, choose a supplier that offers: Premium NBR, FKM, PU, and PTFE materials for superior durability. Custom hydraulic seals tailored to your specific size, pressure, and temperature requirements. Low MOQ and competitive factory pricing for bulk orders. Fast global shipping to ensure on-time delivery.