Overview
2BV series water ring vacuum pumps are energy-efficient products developed by our company after making market investigation and analysis based on many years of scientific research and production experience, in combination with international advanced technology. As a new generation product with excellent performance and advantages, 2BV series water ring vacuum pump meets your requirements better than SK, 2SK series water ring vacuum pump (similar pumping performance).
 
 Purpose
The products are mainly used for suction of solid particle-free and water-insoluble gas. They are widely used in vessel evacuation, condenser evacuation, water extraction system, plastic molding (degassing), food processing, vacuum distillation, hospital sterilization, central attraction and beverage can production line, also used in petroleum, chemicals, pharmacy, power, metallurgy, environmental protection and other industries.
 
 Working principle
2BV series pump is of coaxial direct-coupled design, with pump body directly mounted on the motor. The rotation of impeller is driven by motor shaft, which makes the working fluid to form liquid ring in the oval pump body, (the working fluid plays the role of sealing medium, compression medium and cooling medium at the same time, without wear and no need for lubrication) as the impeller is eccentric relative to the rotating liquid ring. As a result, the liquid reciprocates within the space between the blades just as motion of piston in air cylinder, which causes suction and compression of gas. In the suction phase, liquid ring moves away from the hub, inhaling the pumped medium (gas) axially from the suction port; while in the exhaust stage, liquid ring gradually approaches the hub and expel the pumped medium (gas) axially from the exhaust port to extract vacuum. In addition, the external liquid pipeline connected to the pump body continuously injects with liquid to supplement the liquid carried by the discharged gas. 
 



 
 
 Working condition
 Gas flow range: 27~500m3/h
 Pressure range: 33hPa~ 1013hPa
 Temperature range: best suction gas temperature -10ºC~40ºC, temperature of working fluid 0ºC-35ºC
 Allowable transmission medium: water-insoluble and solid particle-free gas 

Overview
2BV series water ring vacuum pumps are energy-efficient products developed by our company after making market investigation and analysis based on many years of scientific research and production experience, in combination with international advanced technology. As a new generation product with excellent performance and advantages, 2BV series water ring vacuum pump meets your requirements better than SK, 2SK series water ring vacuum pump (similar pumping performance).
 
 Purpose
The products are mainly used for suction of solid particle-free and water-insoluble gas. They are widely used in vessel evacuation, condenser evacuation, water extraction system, plastic molding (degassing), food processing, vacuum distillation, hospital sterilization, central attraction and beverage can production line, also used in petroleum, chemicals, pharmacy, power, metallurgy, environmental protection and other industries.
 
 Working principle
2BV series pump is of coaxial direct-coupled design, with pump body directly mounted on the motor. The rotation of impeller is driven by motor shaft, which makes the working fluid to form liquid ring in the oval pump body, (the working fluid plays the role of sealing medium, compression medium and cooling medium at the same time, without wear and no need for lubrication) as the impeller is eccentric relative to the rotating liquid ring. As a result, the liquid reciprocates within the space between the blades just as motion of piston in air cylinder, which causes suction and compression of gas. In the suction phase, liquid ring moves away from the hub, inhaling the pumped medium (gas) axially from the suction port; while in the exhaust stage, liquid ring gradually approaches the hub and expel the pumped medium (gas) axially from the exhaust port to extract vacuum. In addition, the external liquid pipeline connected to the pump body continuously injects with liquid to supplement the liquid carried by the discharged gas. 
 



 
 
 Working condition
 Gas flow range: 27~500m3/h
 Pressure range: 33hPa~ 1013hPa
 Temperature range: best suction gas temperature -10ºC~40ºC, temperature of working fluid 0ºC-35ºC
 Allowable transmission medium: water-insoluble and solid particle-free gas 

PU Resin For Inks

PU resin is one of the most suitable base materials for ink.
It can provide the ink with good pigment dispersity, adhesive force, and some other performance like heat resistance, adhesion with OPP or PE film and so on.
PU resin of ink can be divided into 3 types because of the ink types, including inside composite ink, surface composite ink and water-based composite ink. But all of the them are suitable for gravure printing rather than other printing methods.
We have different resin which can be suitable for NC or ester. They can show various abilities like boiling water resistance, good adhesion with OPP, low odor and so on.

We can also provide suggestions about product formula.

PU resin, also known as polyurethane resin, is a type of synthetic resin that is widely used in the production of inks. It is a versatile material that offers various benefits for ink formulations.

One of the main advantages of using PU resin in ink is its excellent adhesion properties. It forms a strong bond with different substrates, including paper, cardboard, plastic, and metal, ensuring that the ink adheres well to the surface and resists smudging or rubbing off.

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Overall, PU resin is a popular choice for ink formulations due to its excellent adhesion, gloss, transparency, resistance, and drying properties. It is commonly used in various printing applications, including packaging, labels, decals, and graphic arts.

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XUCHUAN CHEMICAL(SUZHOU) CO., LTD , https://www.xuchuanpu.com