Premium PTFE Hydraulic Seals for Standard and Nonstandard Applications
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Product Highlights
- Superior Containment Technology: Engineered to deliver superior containment and exclusion in demanding applications.
- Robust Contamination Barrier: Retains lubricants and excludes dust, dirt, moisture, and abrasive particles.
- ISO 7425/I Compliance: Design conforms to ISO 7425/I, GB/T15242.1, and GB/T15242.3 standards.
- Comprehensive Customization: Offers full customization, minor customization, and flexible options from samples.
- ISO 9001:2015 Certified: Manufacturing process certified under ISO 9001:2015 management system.
- OEM and ODM Services: Full OEM and ODM services available for custom seal designs.
- Fast Lead Time: Average lead time within 15 workdays for both peak and off-peak seasons.
- Rigorous Quality Inspection: 11 QA/QC inspectors perform random function and visual inspections.
Product Attributes
- Customization
- Available
- Material
- PTFE
- Application
- Cylinder, Hydroseal
- Model NO.
- GSJ, GSF, AQF, RDDR, GSZ
- Type
- Shaft Seal
- Performance
- Temperature
- Shape
- O-Ring
- Standard
- Standard, Nonstandard
- Color
- Green,Coffee
- Size
- According to Your Needs
- Certificate
- ISO9001, SGS
- Band
- Def
- Business Typle
- Manufacturer
- Style
- Floating Seal
- Shape (for Gasket)
- Ring Gasket
- Function
- Hole Sealing
- Transport Package
- Plastic Film Inner& Outter Carton
- Specification
- SGS, ISO9001
- Trademark
- DEF
- Origin
- Guangdong, China (Mainland)
- HS Code
- 848410000
- Production Capacity
- 100000PCS/Month
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Premium PTFE Hydraulic Seals for Standard and Nonstandard Applications
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Product Description
The RDDR series represents a breakthrough in radial lip sealing technology, engineered to deliver superior containment and exclusion in the most demanding applications. This advanced seal is designed for rotating shafts, providing a critical barrier that retains lubricants and excludes harsh environmental contaminants such as dust, dirt, moisture, and abrasive particles.
The series is in conformity with ISO 7425/I, GB/T15242.1 and GB/T15242.3
| Range of d mm | D mm | L | d1 | R1≤ |
| 3-8 | d+2.9 | 2.4 | 1.5 | 0.3 |
| 10-18 | d+4.5 | 3.6 | 1.8 | 0.4 |
| 20-36 | d+6.2 | 4.8 | 2.62 | 0.4 |
| 40-115 | d+9.4 | 7.1 | 5.3 | 0.6 |
| 120-400 | d+12.2 | 9.5 | 7 | 0.8 |








About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR252753". Items marked "" are certified.
Company Profile
Guangdong DEF Seals Solutions Co., Ltd. is a leading seals original manufacturer carrying with more than 20 years professional experience, focus on full series hydraulic seals and PTFE component seals, which including guide rings and Spring Energized Seals, as well as CMRD (Custom Made, Rapid Delivery) urethane and rubber seals.
As a high-performance seals maker, DEF Seals Solutions operates a state of the art manufacturing facility, including 10, 000 sq. Meters workshop, 1, 000 sq. Meters stable temperature/humidity PTFE workshop, CNC machine, NC sinter, 2000T press, NC urethane casting machine and exclusive urethane vertical NC lathe, which machining range up to 1500 mm. These have given us a leading edge in the sealing industry.
DEF Seals Solutions has developed to be one of the largest sealing maker and to supply all facets of industry from construction machine to large OEM's.
DEF Seals Solutions received ISO 9001 certification which allows us to support the growing and ever changing customer demand with supplying high quality products and service across the world.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory
- Address
- Dinghao Automation Incubators, Jinfu Road 17, Liaobu Town, Dongguan, Guangdong, China
-
Plant Area
- 5600 square meters
-
Number of Employees
- 135
-
Registered Capital
- 5,000,000 RMB
-
Terms of Payment
- LC, T/T, Western Union
-
International Commercial Terms(Incoterms)
- FOB, CIF, EXW, CFR
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays, one month -
Nearest Port
- Shenzhen Port
-
Minimum Order Quantity
- 10 Pcs
-
Supply Chain Partners
- 20
Our Production Capability & Technical Expertise
-
Main Products
- Seal, PTFE Strip, U Cup, Spring Energized, Urethane Seals, Guide Ring, PU Seals, Hydraulic Seals, Seals, CNC Lathe Cut Seals
-
Production Lines
- 5
-
Production Machines
- Pressing Machine, Oven, CNC Machine, Lathe, Milling Machine, 2D Measuring Instrument, Nitrogen Gas Spring Testing Machine, High And Low Temperature Testing Chamber, Salt Spraying Test Machine, Reciprocating Testing Machine, Friction Testing Machine, Tensile Tester, Cooper Powder Particle Size Distribution Analyzer, Cooper Powder Tap Density Tester
-
QA/QC inspectors
- 11 people
-
Inspection Type for Finished Products
- Random inspection(Function inspection & Visual inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Full Customization, Customization from Designs, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 12 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2004-02-13
-
Export Year
- 21 Years
-
Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea), Australia, Domestic
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 6
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015
-
Cooperated with Fortune 500
- Yes
FAQ
- What materials are used for these seals?
- The seals are primarily made from PTFE and are designed for hydraulic applications.
- Can the seals be customized?
- Yes, we offer full customization, minor customization, and flexible options based on samples or designs.
- What is the minimum order quantity?
- The minimum order quantity is 10 pieces.
- What is the average lead time for production?
- The average lead time is within 15 workdays, regardless of peak or off-peak seasons.
- Do you provide OEM and ODM services?
- Yes, we provide both OEM and ODM services for our hydraulic seals.
- What certifications do you hold?
- Our management system is certified under ISO 9001:2015.
- What payment terms do you accept?
- We accept LC, T/T, and Western Union as payment terms.
- Are the seals suitable for harsh environments?
- Yes, they are designed to exclude harsh environmental contaminants like dust, dirt, and moisture.
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