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Design R equirements 

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sealing parts


GIS flange seal

Sealing, low oil separation, good compatibility with rubber and metal materials

DC11 sealing silicone 

grease


High viscosity silicone oil and silica formula, good sealing, low oil separation rate.

Circuit breaker direct acting seal, cover plate

Sealing, high and low temperature resistance, water resistant, good compatibility with rubber and metal materials

SG130L sealing 

silicone grease

High viscosity silicone oil grease with excellent sealing and material compatibility

Conductive, Contact Parts

Arc interrupter contact, touch finger, mounting surface for multi-contact ring, spiral contact finger.

Long life, high temperature resistance, arc extinguishing, oxidation resistance

SC212K contact grease

Arc quenching, anti-oxidant, anti-wear additive formulated grease.

load switch, circuit breaker

Long life, high temperature resistance, arc extinguishing, oxidation resistance

SC212P contact grease


Synthetic grease with anti-wear additives for metal and metal lubrication

In-air terminal board connection, Arc interrupter conductor and conductive arm connection surface etc.

Prevent silver plating, copper, aluminum and other metal surface oxidation, rustproof, wear resistance

SC202T grease


Formulated with fully synthetic base oil with special anti-oxidation, anti-oxidation.

Copper bar lap, grounding switch

Conductive, reduce contact resistance and temperature rise, anti-oxidation, water resistance

D700C conductive 

grease

Synthetic oil grease with metal conductive solid additives

mechanical parts, transmission parts

Mechanical sliding parts of the operating mechanism (pin connection and sliding parts in the mechanism, rotating parts etc.)

Heavy wear resistance, high and low temperature resistance, antioxidant, noise reduction

SYN320R grease


Fully synthetic base oil, high and low temperature resistance, excellent load resistance performance

Heavy-duty sliding parts of the body(the piston rod of the arc extinguishing chamber and the inner wall of the pressure cylinder etc.),isolation switch rack and pinion, screw rod, guide rail

High and low temperature resistance, anti-wear, anti-oxidation

M730B grease


High concentration molybdenum disulfide formula, low oil separation, suitable for SF6 gas space


China is the world's largest producer of high-voltage switches,the user requires more than 20 years for the effective life of the high-voltage switch.Grease has a very important influence on the safety, reliability, durability and environmental adaptability of medium and high voltage switch.Mainly reflected in operating mechanism lubrication, electrical contact lubrication, GIS sealing lubrication.


Since 2016, VNOVO has participated in the research and development of localized replacement of high-voltage switch grease together with China Xidian Group and Pinggao Electric, and successfully developed a variety of grease products.Through a variety of simulation tests, it meets of the different structures’ requirements of long-life lubrication, load resistance, anti-aging, material compatibility, low volatility, and low oil content.





high-tension switch
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