... ,and anti-temperature.3.Application: When the Pump pressure is around 18Mpa,Temperature of mud ≤ ... ,and anti-temperature.3.Application: When the Pump pressure is around 20Mpa,Temperature of mud ≤ ... ,and anti-temperature.3.Application: When the Pump pressure is around 20Mpa,Temperature of mud ≤ ... the service life is 600H,especially for ceramic liner and high pressure mud pump. Piston Assembly for mud pump