Xingtai Boshuo Auto Technology Co., Ltd. is one of the leading manufacturers and suppliers of hydraulic pistion compact seal in China. If you're going to wholesale bulk hydraulic pistion compact seal made in China, welcome to get pricelist and free sample from our factory. All customized products are with high quality and low price.
Product Description
The Hydraulic Piston Compact Seal is a space-saving solution for hydraulic cylinders with limited groove dimensions. Its compact cross-section enables shorter cylinder designs while maintaining reliable bi-directional sealing performance. Made from high-grade polyurethane, the seal offers excellent wear resistance, extrusion resistance and low friction. It works effectively as a power steering hydraulic seal in automotive steering systems and as a rubber hydraulic jack seal for lifting equipment. Available in various U-profiles, this seal is also a reliable component for any seal kit used in hydraulic cylinder maintenance. Robust and versatile, it is widely applied in construction equipment, agricultural machinery, mobile hydraulics and industrial systems where space constraints demand a compact, dependable sealing solution.

Product Attributes
|
Name |
Hydraulic pistion compact seal |
|
Place of origin |
Hebei,China |
|
Material |
Polyurethane (PU) |
|
Certificates |
ISO 9001 |
|
Color |
Blue (standard PU), Green |
|
Product Type |
Multi component combination seal (unlike standard U-cup seals) |
|
Available Profiles |
DAS, KDAS, UGT, SP series |
|
OEM / ODM |
Accpetable |
|
Packing Details |
Plastic Bags +Carton |
|
Quality |
High Quality |
|
Application |
Bi directional sealing for hydraulic cylinder pistons in space constrained compact cylinder designs; prevents oil leakage under high pressure and ensures system stability |
|
Suitable Equipment |
Mini excavators, compact loaders, hydraulic jacks, lift platforms, agricultural equipment, injection molding machines, hydraulic tailgates, mobile hydraulics |
|
MOQ |
1000pcs |

Product Type
Polyurethane oil seals are available in a wide range of profiles to suit different sealing applications.
Common types include:
- UN / UNS / UNP – U-cup seals for rod and piston applications, designed for reciprocating motion in hydraulic cylinders
- UHS – U-cup rod seal with a compact cross section, ideal for high pressure rod sealing
- UHR – U-cup piston seal for heavy duty cylinder applications
- IDU / IDI – Double acting piston seals with excellent sealing performance in both directions
- ODU / OSI – Heavy duty piston seals for large diameter cylinders
- DH / DHS / DKBI – Dust wiper seals for excluding contaminants from hydraulic systems
- PU O-Ring – General purpose static and dynamic sealing
- Backup Rings – Used with O-rings and U-cups to prevent extrusion under high pressure
These profiles are available in various sizes and can be customized for specific cylinder dimensions, offering reliable sealing solutions for construction, agricultural, mining, and industrial hydraulic equipment.




Our Services
■ Pre-sale Service
We provide one-stop professional consulting service, including product parameter recommendation, model selection, solution customization and quotation support. According to customer's application scenario and demand, we recommend the most suitable transmission belt products to help customers save cost and avoid selection mistakes.
■ In-sale Service
We follow strict production progress tracking, arrange production reasonably, control raw material quality and production process layer by layer. We keep timely communication with customers on production schedule, order progress and shipment arrangement, ensure on-time delivery and stable product quality.
■ After-sale Service
We provide long-term perfect after-sales support. If there are product quality and usage problems, we offer timely response, professional technical guidance and reasonable solution. We keep follow-up communication all the time, focus on customer feedback, and establish long-term stable cooperative partnership with global clients.
Our Factory
Xingtai Boshuo Auto Technology Co., Ltd., established in 1996, specializes in rubber seals for automobiles, trucks, and industrial machinery. Our 2,000+ m² factory has over 100 employees and produces 100,000 pieces daily with 20,000+ mold sizes available.

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