Oil Resistant Nitrile Valve Core
Tianjin TGE BIAM Graphene Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of oil resistant nitrile valve core in China. Welcome to buy bulk durable oil resistant nitrile valve core in stock here from our factory. If you have any enquiry about customized service and quotation, please feel free to email us.
Product Introduction
Nitrile butadiene rubber (NBR) has been the standard elastomer for petroleum-fluid sealing for decades. The reason is straightforward: it resists mineral oils, hydraulic fluids, fuels, and water-based media reliably and at a material cost that no comparable compound matches. A nitrile valve core - NBR permanently bonded to a machined metal substrate - brings that combination of oil resistance and mechanical integrity to flow-control components in hydraulic, pneumatic, fuel, and general industrial service.
NBR is not a single material. Acrylonitrile (ACN) content, typically between 18% and 50%, determines where the compound sits between maximum oil resistance and maximum low-temperature flexibility. Cure system, hardness, and filler selection further shape the performance profile. At TGE, we provide you with ideal solutions.
Introduction to Performance
Operating temperature: −40℃ to +70℃. Special low-temperature formulations extend service to −50℃.
Media compatibility: Mineral hydraulic oils (HM, HV grades), gear oils, diesel and gasoline (including standard ethanol blends), water and water-glycol solutions, compressed air and inert gases. NBR is not recommended for ketones, chlorinated solvents, concentrated aromatic hydrocarbons, or ozone exposure.
Mechanical properties: Tensile strength 10–20 MPa; Shore A hardness 50–90, with 60–85 Shore A typical for valve core applications. Compression set below 25% after 70 hours at 100℃ (ASTM D395) ensures sustained sealing force across operating cycles.
Introduction to Processing Techniques and Materials
NBR compounds are formulated to grade: ACN content is selected against the application's oil-swell and low-temperature requirements.
Metal substrates are CNC-machined and surface treated to bonding-grade surface roughness. Compression molding cure parameters - temperature, dwell time - are documented per batch. Finished components are pulling-tested. Bond failure mode must be cohesive rubber fracture; adhesive interface separation is a reject condition.
Typical Applications
TGE Nitrile Valve Cores can be applied in industrial hydraulic directional, relief, and check valves, etc. · Mobile equipment hydraulic systems (excavators, cranes, agricultural machinery) · Pneumatic solenoid and pilot valves · Diesel fuel system controls · Oil and gas gathering and pipeline valves (standard service) · Reciprocating compressor valve components
Where NBR fits the application, we supply it - correctly graded and manufactured. Where operating conditions exceed NBR's range, we will tell you before the order. Bond integrity is validated at production, not discovered in the field. Over one million components delivered; zero bond failures reported.
FAQ
Q: How many pieces of your products (rubber-metal bonded valves) have been supplied to the market?
A: We have supplied more than 1 million pieces of bonded valve cores for global customers from Asia to Europe in the past 10 years, and have gained high reputation from our global customers.
Q: Which industry is your product used for?
A: Our products have been used for multiple industries such as railway transportation, construction machinery, aviation, marine, automobile, etc.
Hot Tags: oil resistant nitrile valve core, China oil resistant nitrile valve core manufacturers, suppliers, factory
You Might Also Like
Send Inquiry