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NBR Rubber Diaphragm Seal Rubber Oil Seal Hydraulic Cup Seal for Brake Master Cylinders

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NBR Rubber Diaphragm Seal Rubber Oil Seal Hydraulic Cup Seal for Brake Master Cylinders

NBR Rubber Diaphragm Seal Rubber Oil Seal  Hydraulic Cup Seal for Brake Master Cylinders
NBR Rubber Diaphragm Seal Rubber Oil Seal  Hydraulic Cup Seal for Brake Master Cylinders NBR Rubber Diaphragm Seal Rubber Oil Seal  Hydraulic Cup Seal for Brake Master Cylinders NBR Rubber Diaphragm Seal Rubber Oil Seal  Hydraulic Cup Seal for Brake Master Cylinders

Large Image :  NBR Rubber Diaphragm Seal Rubber Oil Seal Hydraulic Cup Seal for Brake Master Cylinders

Product Details:
Place of Origin: CN
Brand Name: GSK
Certification: TS16949
Payment & Shipping Terms:
Minimum Order Quantity: 1000pcs
Price: USD0.5-USD3.0
Packaging Details: Neutral
Delivery Time: 30days
Payment Terms: T/T
Supply Ability: 50000
Detailed Product Description
Color: Black,blue,Brown,red,green Application: Industry,excavator,Pump Hydraulic Machine Rotary Shaft,bulldozer,Hydraulic Loader
Medium: Water And Dust,hydraulic Oil Package: Bag/carton,Carton,Inner Pack Is PE Bag And Out Packaging Is Carton Box
Material: Rubber,NBR,PTFE,PU,VITON Shape: As Per Customer's Design,V Shape
Highlight:

NBR rubber diaphragm seal

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hydraulic cup seal for brakes

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brake master cylinder seal

NBR Rubber Diaphragm Seal Rubber Oil Seal  Hydraulic Cup Seal for Brake Master Cylinders


Product Description


This black rubber diaphragm seal, also known as a hydraulic cup seal, is a critical component for hydraulic and pneumatic systems. Made from high-quality NBR rubber, it provides exceptional oil resistance, wear resistance, and sealing performance, ensuring reliable pressure transmission and leak prevention in brake master cylinders, hydraulic cylinders, and pneumatic actuators.


Technical Parameters

Parameter Value
Part Number (PN)
Product Name NBR Rubber Diaphragm Seal / Hydraulic Cup Seal
Material Nitrile Butadiene Rubber (NBR) 
Hardness (Shore A) 85°
Function Pressure transmission & dynamic sealing; Leak prevention
Operating Temperature -30°C ~ +100°C
Applicable Scenarios Automotive (brake master cylinders, wheel cylinders, clutch slave cylinders); Construction Machinery (hydraulic breakers, excavator cylinders); Industrial Equipment (hydraulic valves, pneumatic actuators, pressure regulators)

advantages:

Superior Sealing & Durability
    Made from high-grade Nitrile Butadiene Rubber (NBR), this seal offers excellent resistance to brake fluids, oils, and abrasion. It maintains elasticity under pressure for a reliable, long-lasting seal that prevents leaks and withstands frequent use.

Optimized Performance & Cost-Effective
    Engineered specifically for hydraulic systems, it ensures consistent pressure and responsive operation. Its robust design reduces the frequency of maintenance and replacement, lowering the total cost of ownership for your braking systems.

Applications:

Critical Pressure Seal for Master Cylinders
    Acts as the primary sealing component inside brake master cylinders. It is essential for creating and maintaining the hydraulic pressure needed to activate the brake system, ensuring safe and reliable vehicle stopping power.

Ensures System Reliability & Safety
    By effectively preventing fluid leakage and contamination, this seal safeguards the integrity of the entire hydraulic brake circuit. It directly contributes to consistent brake pedal feel, responsive braking performance, and overall vehicle safety.



Contact Details
Qingdao Global Sealing-tec co., Ltd

Contact Person: Tinna Zhang

Tel: 86-532-85010156

Fax: 86-532-85013700

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